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Trinity Seven
Cover of Trinity Seven: 7-nin no Masho Tsukai volume 1 published by Fujimi Shobo, featuring Lilith Asami.
トリニティセブン 7人の魔書使い
(Toriniti Sebun: Shichi-nin no Masho Tsukai)
Genre
Manga
Written byKenji Saitō
Illustrated byAkinari Nao
Published byFujimi Shobo
English publisher
MagazineMonthly Dragon Age
Original runDecember 9, 2010 – present
Volumes33 (List of volumes)
Anime television series
Directed byHiroshi Nishikiori
Produced by
  • Kouichi Sakamoto
  • Yoshikazu Beniya
  • Shuuichi Takashino
  • Tooru Awaji
  • Yuusaku Noguchi
  • Tomokazu Iizumi
  • Takeshi Ishigaki
  • Hiroyuki Tajima
  • Mika Shimizu
  • Ryousuke Naya
  • Ryou Yasumura
Written byHiroyuki Yoshino
Music byTechnoboys Pulcraft Green-Fund
StudioSeven Arcs Pictures
Licensed by
Original networkTV Tokyo, TVA, TVO, AT-X
Original run October 8, 2014 – December 24, 2014
Episodes12 + OVA (List of episodes)
Further information
Light novel
Written byKenji Saitō
Illustrated byAkinari Nao
Published byKadokawa Shoten
Original runNovember 8, 2014 – January 9, 2018
Volumes3
Anime film
The Eternal Library and the Alchemist Girl
Directed byHiroshi Nishikiori
Produced by
  • Yoshikazu Beniya
  • Mika Shimizu
  • Ryousuke Naya
  • Ryou Yasumura
  • Daisuke Masaki
  • Shigeki Hosoda
  • Shunsuke Matsumura
  • Yuuya Yoshida
  • Yoshifumi Matsuda
Written byKenji Saitou
Music byTechnoboys Pulcraft Green-Fund
StudioSeven Arcs Pictures
ReleasedFebruary 25, 2017 (2017-02-25)
Runtime55 minutes
Anime film
Heavens Library & Crimson Lord
Directed byHiroshi Nishikiori
Produced by
  • Daisuke Masaki
  • Yoshifumi Matsuda
  • Takema Okamura
  • Miho Ichii
  • Aya Iizuka
  • Ryou Hino
  • Tomotaka Satou
Written byKenji Saitou
Music byTechnoboys Pulcraft Green-Fund
StudioSeven Arcs Pictures
ReleasedMarch 29, 2019 (2019-03-29)
Runtime60 minutes
Video games
  • Trinity Seven: Phantasm Library & Seventh Sol (2019)
icon Anime and manga portal

Trinity Seven (Japanese: トリニティセブン 7人の魔書使い, Hepburn: Toriniti Sebun: Shichi-nin no Masho Tsukai; literally "Trinity Seven: The Seven Magicians") is a fantasy romantic comedy manga series written by Kenji Saitō and illustrated by Akinari Nao. It has been serialized in Fujimi Shobo's shōnen manga magazine Monthly Dragon Age since 2010 and collected in thirty-three tankōbon volumes as of September 2025.

A light novel adaptation by Kenji Saitō with illustrations by Akinari Nao is being published by Kadokawa Shoten, and the first volume was released in November 2014. An anime television series adaptation by Seven Arcs Pictures aired on TV Tokyo from October to December 2014. An anime film adaptation titled Trinity Seven the Movie: The Eternal Library and the Alchemist Girl premiered in February 2017. A second film adaptation titled Trinity Seven: Heavens Library & Crimson Lord premiered in March 2019.

Plot

[edit]
See also: List of Trinity Seven characters

Arata Kasuga lived a normal life together with his cousin and childhood friend Hijiri Kasuga in a small town. However, everything changes on the day of the Black Sun, which caused the Breakdown Phenomenon which destroys the town where he lived and takes Hijiri away. As Hijiri starts disappearing, she hangs a grimoire around his neck, asking it to protect Kasuga. Shattered by losing Hijiri and all of his other friends and family, Arata asks for his world to be good again, which leads to the grimoire artificially reconstructing his normal life and making him forget both the destruction of the city and Hijiri's disappearance. Lilith Asami, a mage, is sent to investigate the ruins, and she finds the powerful spell in their stead. She makes Arata remember the actual events, and consequently the spell is broken, but not without the grimoire telling him that Hijiri is still alive. Arata decides that his only option is to become a mage himself so he could rescue Hijiri, and so he joins the Royal Biblia Academy, a secret school for mages that deals with magical issues around the world. There he is introduced to the Trinity Seven, seven powerful mages who are at the top of their respective fields (Lilith being one of them) and who will help him in his goal of becoming a powerful magician and learning the truth about Hijiri and the Black Sun. He soon finds out that one of the Trinity Seven, Arin, looks almost exactly like his missing cousin, although she shows a completely different personality.

Media

[edit]

Manga

[edit]
See also: List of Trinity Seven chapters

The series was serialized in Fujimi Shobo's shōnen manga magazine Monthly Dragon Age since 2010. The first complied volume was released on July 7, 2011.[3] On October 10, 2014, Yen Press announced at their New York Comic Con panel that they licensed Trinity Seven for release in North America, with the first volume releasing on May 19, 2015.[4][5]

A spin-off manga written by Saito and illustrated by Sutarō Hanao, titled Trinity Seven: Levi Ninden (トリニティセブン　レヴィ忍伝), launched in Dragon Age on November 9, 2015,[6] and ended on December 9, 2016.[7] Chako Abeno launched a second spin-off, titled Trinity Seven: Liese Chronicle (トリニティセブン　リーゼクロニクル), in Dragon Age on February 9, 2017.[8] The manga ended on June 9, 2018.[9]

Light novel

[edit]

On November 4, 2014, a spinoff light novel adaptation of Trinity Seven was announced. It was written by Kenji Saito and illustrated by Akinari Nao. The novel series covered the past of the main characters, and events not yet shown in the manga.[10] The first novel was released on November 8, 2014, titled Trinity Seven The Novel: Night Episode and Lost Memory.[11] The second novel, titled Trinity Seven The Novel: Eternity Library and Alchemic Girl, was released on December 29, 2014.[12] The third novel, titled Trinity Seven The Novel: Holy Shrine Maiden and the Eighth Library, was released on January 9, 2018.[13]

No. Title Release date ISBN
1
Trinity Seven The Novel: Night Episode and Lost Memory (トリニティセブン 7人の魔書使い The Novel 深夜挿話（ナイトエピソード）と過去記憶（ロストメモリー） Naito Episōdo to Rosuto Memorī)		November 8, 2014[11]978-4-0407-0267-4
2
Trinity Seven The Novel: Eternity Library and Alchemic Girl (トリニティセブン 7人の魔書使い The Novel 悠久図書館（エターニティライブラリー）と錬金術少女（アルケミックガール）)		December 29, 2014[12]978-4-0407-0352-7
3
Trinity Seven The Novel: Holy Shrine Maiden and the Eighth Library (トリニティセブン 7人の魔書使い The Novel 聖なる巫女と八番目の書庫)		January 9, 2018[13]978-4-04-072570-3

Anime

[edit]

An anime television series adaptation by Seven Arcs Pictures aired on TV Tokyo from October 7 to December 23, 2014, and other channels on TVA, TVO and AT-X.[14] The series is directed by Hiroshi Nishikiori and Hiroyuki Yoshino is in charge of series composition.[15][16] The series has been licensed by Sentai Filmworks in North America, while Madman Entertainment holds the license for Australia and Animatsu Entertainment in the United Kingdom.[17][18]

No. Title Original air date
1"Administer and Third Selection"
"Adominisutā to Sādo Serekushon" (魔王候補（アドミニスター）と第三の選択（サードセレクション）)		October 7, 2014 (2014-10-07)
In a dream, Arata floats in total darkness but sees Hijiri running and attempts to grab her hand, accidentally groping his cousin Hijiri who has come to wake him up for school. On their way, Arata remarks that he is content with his normal, peaceful life before noticing the black sun overhead. At the same time, Arata and Hijiri pass by Lilith, who commands Arata to awaken. On the roof of the school, Arata asks Hijiri about the black sun and she assures him that it has always been that way, even before he was born. Arata deduces Hijiri is a fake because her old drawings boasted a red sun. Lilith appears and attacks the fake Hijiri. The fake Hijiri dispels the magic around Arata and reveals that his city was destroyed three days ago by a gravitational fluctuation breakdown phenomenon. He recalls the real Hijiri handing him a grimoire before kissing him and disappearing into the void. Arata used the grimoire to recreate his peaceful life before the breakdown phenomenon. Lilith offers Arata two choices: die, or hand over the grimoire, which has manifested as the fake Hijiri, and have his memories erased. The grimoire reveals that Hijiri is still alive and Arata resolves to become a mage in hopes of saving her. On his first day at the Royal Biblia Academy, Arata discovers those mages of Demon Lord class can create worlds. The academy's headmaster welcomes Arata, describing what mages do, and tells him that in order to save Hijiri, he will need the help of the Trinity Seven, of which Lilith is a member. Arata also meets Trinity Seven's Levi Kazama and sees Akio Fudo and Mira Yamana from the window. Later that night, Arata runs into another Trinity Seven member, Arin Kannazuki in the men's bath.
2"Prison Lock and Grimoire Security"
"Purizun Rokku to Gurimowāru Sekyuriti" (空間閉鎖（プリズンロック）と王立図書館検察官（グリモワールセキュリティ）)		October 14, 2014 (2014-10-14)
The next day, Arin begins following Arata, claiming that she is destined to marry the Demon Lord. Arata later finds Selina, Lilith, and Levi in his room. Selina and Levi tease Lilith about giving Arata private lessons when he asks for more information about magic and his grimoire, the legendary Astil Codex. Lilith begins describing the Archive-Thema magical research system when the lights go out and the four are trapped by a magical seal. Arata's calm approach impresses the girls, but they quickly run out of the ideas and all of the girls start having the urge to use the bathroom. Running out of ideas, Arata tricks his grimoire into revealing where the seal is, allowing them to escape. Arin confesses to trapping Arata explaining she wanted to see him create a breakdown phenomenon to study the destructive potential. Arin then activates her Thema's Magus Mode to break the grimoire's control over Arata's power, creating a Breakdown Phenomenon. Lilith moves to kill Arata to stop the phenomenon, but Arin interferes. Grimoire Security members, Mira and Akio, arrive and attack Arata after learning he is the cause of the Breakdown Phenomenon.
3"Magus and Alchemist"
"Meigasu to Arukemisuto" (魔道士（メイガス）と錬金術（アルケミスト）)		October 21, 2014 (2014-10-21)
In actuality, Trinity Seven's Yui dragged Arata into her dream world before Akio could kill him but that has allowed the breakdown phenomenon to continue. Yui educates Arata about magic, the archives (Superbia, Invidia, Ira, Acedia, Avaritia, Gula and Luxuria), and themas. She also suggests that Arata may be able to control the phenomenon and his powers in choosing his thema. Arata returns to the real world just as the Trinity Seven are about to fall to the phenomenon and unleashes his Magus mode, driven by the thema Impel to control the flow of magic and dispel the phenomenon. His anti-magic spell also destroyed the girls' clothes, as they were magical manifestations of their themas. Mira was spared, as she reflected the spell back onto Arata. In present day, due to the damage the breakdown phenomenon caused, the students of the academy are sent to a southern island while repairs are underway. Arata and Arin have to service the other students as punishment for their experimentation. Selina, Levi, and Lilith quibble over their swimsuits and bust sizes. Arata and Selina demonstrate their respective magic techniques, much to Selina's embarrassment at having her clothes destroyed. Later that night, Selina, Levi, Lilith, Arin, and Arata talk at the mixed-gender hot springs about magic and improving Arata's abilities. Arata requests that Lilith demonstrate her magic so he may learn how to manifest a gun to better control his own magic. After witnessing her Outer Alchemic spell, Arata asks his grimoire to copy the spell for him, which works out successfully, surprising the entire group.
4"Labyrinth and Magic Gunner"
"Rabirinsu to Majikku Gannā" (巨大迷宮（ラビリンス）と魔銃起動（マジックガンナー）)		October 28, 2014 (2014-10-28)
Arata and Lilith return to class to find the other students asleep at their desks, victims of another breakdown phenomenon. The academy headmaster suggests that the Trinity Seven and Arata work together to investigate and deal with the phenomenon, though Mira rejects working with Arata and sets off with Akio. The headmaster pinpoints the breakdown's source underneath the school, where Yui is losing control of her magic in the presence of a demon lord candidate. Arata, Lilith, Levi, and Arin hurry down to the dungeon to stop Mira and Akio from killing Yui to stop the phenomenon. In the dungeon, they encounter several demons, but Arata struggles to realize his grimoire into a working gun like before and accidentally dispels Lilith and Arin's Magus mode before Levi dispatches the demons. Arin eliminated more demons with her Chaosic Rune magic which Arata attempts and fails to copy to his grimoire. They catch up to Mira and Akio and Levi stays back to stall them. Arata, Arin, and Lilith find Yui's room guarded by a Code D Phantasmal Dragon and Arata is incapacitated. Mira, Akio, and Levi catch up and battle the monster. After talking with Arata, Levi manages to get him to concentrate and properly utilize his copied gun magic to kill the dragon and stop the breakdown phenomenon. Yui awakens and latches onto Arata to Lilith's dismay.
5"Dream World and Sub-Administer"
"Dorīmu Wārudo to Sabu Adominisutā" (夢の世界（ドリームワールド）と第ニの魔王候補（サブアドミニスター）)		November 4, 2014 (2014-11-04)
Arata wakes up to Yui and Arin sleeping beside him naked before Lilith comes to his room to wake him up. During physical exercise class, Yui and Arin cling to Arata while he watches the girls running. Mira and Akio appear, and Mira warns Yui that if she loses control again, Mira will have to take her out. Selina shows up and concludes that the four of them are fighting over Arata. Lilith and Levi appear with Lilith assuring Arata the girls aren't fighting over him, while Levi gets excited to fight against Akio. Everyone except Mira and Lilith activates their Magus Mode, but the fight is cut short as Yui uses her magic and transports everyone to her dream world. Before leaving the dream world, Arata tells Yui he will be her friend, which pleases her and she kisses Arata as thanks for saving her. Later in the bath, Akio and Mira talk about all the breakdown phenomena happening recently. That night, during a thunderstorm, windows in the Academy are broken and a long-haired blonde girl is shown smirking, before disappearing. In the morning, Mira investigates the scene and identifies magical traces similar to those involved in an incident of "that library." While learning about the prior incident where a student disappeared and investigating the academy library, Arata, Selina, and the Trinity Seven are transported to the Eternal Library. There, Lieselotte Sherlock, Selina's older twin sister and final member of the Trinity Seven, appears before the group. She attempts to steal magic power from Lilith and Mira but is foiled by Levi and Akio. Lieselotte explains her motives behind seeking out the Eternal Library and explains to Arata that acquiring Demon Lord powers is equal to committing taboo. She sought out the demon lord element in the Eternal Library and absorbs Selina's magic, becoming a Demon Lord candidate.
6"Dark Mage and Big Event"
"Dāku Meiji to Biggu Ibento" (悪の魔道士（ダークメイジ）と学園襲撃（ビッグイベント）)		November 11, 2014 (2014-11-11)
Lieselotte claims that it is the ultimate dream of every mage to be a demon lord, but rejects Lilith's notion that it can only be done through diligent study. Having stolen Selina's research, Lieselotte understands Arata would be a difficult opponent, and offers an alliance, claiming it is the fastest way for him to save Hijiri. Levi and Akio attempt to interfere, but Lieselotte's new strength prevents them from acting as she kisses Arata, stealing most of his magic. Lieselotte uses Arata's anti-magic ability to dispel everyone's Magus modes except Mira and Levi who fight against Lieselotte. Levi fights to buy time for Mira's White Universe attack, but are unable to injure Lieselotte. Meanwhile, Selina and Arata are still struggling as, without magic, mages cease to exist. As Lieselotte is unaccustomed to her new powers, her demon wings slow her down and Levi is able to land a few blows before Lieselotte retreats to stabilize her magic. As the students return to the academy, Mira tasks Akio with training Arata on using Mantra Element. While Arata trains, Yui, Arin, and Lilith watch over Selina in the infirmary. Suddenly, Lieselotte attacks the academy, causing a breakdown phenomenon that drains the magic from the other students before the Headmaster steps in. Lieselotte appears before the Headmaster and attempts to fight him, though her efforts are rebuffed with ease.
7"Lost Technica and Problem Solving"
"Rosuto Tekunika to Puroburemu Soruvingu" (秘奥義（ロストテクニカ）と異変解決（プロブレム・ソルヴィング）)		November 18, 2014 (2014-11-18)
Having gained enough magic power, Lieselotte is able to observe the Headmaster's fearsome grimoire, Solomon's Gate. Unable to defeat his magic, Lieselotte exposes herself and distracts the perverted Headmaster to escape, although he warns her that evil mages are invariably defeated after they obtain great power. The Astil Codex reveals to Arata, Mira, and Akio that it has already copied Mantra Enchant, but because it is not a weapon manifestation, it will have manifest itself as a human, Sora, to properly utilize Akio's technique. Akio reveals that Mantra Enchant's strength depends on the magic and will of its user, before lending Arata most of her magic. Lieselotte attacks the infirmary and is briefly detained by a simple rope trap. Arata arrives and reclaims his magic power from Lieselotte in a surprise attack. However, he and Sora are unable to keep up with Lieselotte's speed but Lieselotte is unable to injure Arata due to Mantra Enchant. As a last-ditch effort, Lieselotte unleashes her Lost Technica Baal Peor to freeze time. She kisses Arata again to drain his magic but inadvertently allows Mantra Enchant to enter her body and expunge her demon lord element. Arata embraces Lieselotte, reminding her Selina and the Trinity Seven want her to return, but she reveals she cannot leave Baal Peor. Arata promises to rescue her before Lieselotte returns everyone to reality. Mira calculates Arata is close to mastery of Logos Art and instructs Selina to train Arata in order to rescue Lieselotte. The Headmaster remarks on their growth and is alerted to the complete destruction of the magical academy in the west by Iscariot, the evil mages.
8"Study and Holiday"
"Sutadi to Horidei" (魔道勉強（スタディ）と安息日（ホリデイ）)		November 25, 2014 (2014-11-25)
Arata diligently studies magic from all of the Trinity Seven to be able to rescue Lieselotte as soon as possible, but Lilith cautions him as rapid growth runs the risk of losing control of his magic. Lilith and Arata are summoned to the Headmaster, where Arata is appointed to Grimoire Security #2 with Lilith as a chaperone for an upcoming mission to the ruins of the Royal Liber Magic Academy. As such, Lilith promises to tutor Arata, but is embarrassed when asked about her mastery over the Luxuria (Lust) archive. Lilith trains Arata throughout the day until she falls asleep. Mira and Akio visit to check on his studying and explain the Liber Academy was destroyed in a breakdown phenomenon during Lieselotte's attack. Mira is startled by a bug, landing on top of Arata and rousing Lilith. Arata, Sora, Selina, and the Trinity Seven enjoy the hot springs before their mission; Lilith takes Arata to a secluded part of the baths overlooking the city and they share a moment, before Sora stealthily removes Lilith's bikini. For their mission, the Headmaster teleports Arata, Lilith, Sora, Mira, and Akio to the Royal Liber Academy but the teleport is disrupted, and Arata, Sora and Mira are separated from Lilith and Akio. Arata, Sora and Mira find themselves standing in front of an intact Liber Academy, but Sora detects world creation magic. The three are greeted by someone who looks like Hijiri but Mira and Sora determine her to be yet another fake.
9"Bible Battle and Sweet Memory"
"Baiburu Batoru to Suīto Memorī" (魔道書戦闘（バイブルバトル）と過去記憶（スイートメモリー）)		December 2, 2014 (2014-12-02)
Sora reveals the Hijiri they just saw was actually Hijiri's grimoire, the "Iliad Fragment," manifesting in human form. Sora also determines that Liber Academy is isolated in another dimension and that the three of them are trapped. They encounter demons in the school, but when Mira goes into Magus mode, her clothes are destroyed instead. Sora deals with the demons as her magic is not bound by the Archives and Magus mode and encounters Ilia while Arata and Mira escape. Sora unleashes a powerful magical attack at Ilia but she evades and traps Sora in a dimensional box. Arata decides to search the center of the school for the barrier's core and Mira accompanies him to the clock tower. While climbing the tower, Arata asks about Mira's past and she reveals she was a loner, afraid her magic would hurt those around her, until she met Akio who helped Mira become a more confident person. At the top of the clock tower, they discover Sora trapped in the box and Ilia, who seeks to kill Mira and live with Arata forever. Sora telepathically communicates with Arata and asks him to buy time until Sora can disable the barrier. Arata offers himself up, provided Ilia is willing to let Mira go. Ilia agrees and also reveals that the current Hijiri aims to destroy the world in order to recreate it a more peaceful world. Although she agreed to the deal, Ilia binds Arata to a pillar and commands the demons to kill Mira, explaining that there is no way to send an individual out of the barrier. She also begins draining Sora's magic to sustain the barrier. Frustrated at his powerlessness, Arata unleashes his demon lord element Astral Trinity and wrests control over the world from Ilia.
10"Game Master and Satan Slave"
"Gēmu Masutā to Seitan Sureibu" (支配者（ゲームマスター）と憤怒の魔人（セイタンスレイヴ）)		December 9, 2014 (2014-12-09)
Astral Trinity effortlessly dispels Ilia's magic and frees Sora, while simultaneously creates a breakdown phenomenon to demonstrate the extent of his control. With Ilia's seal broken, Mira is able to access her Magus mode and attacks the demon lord with Sora, but are easily defeated. Astral Trinity propositions Mira, but she slaps him, disrupting the demon lord's control over Arata's body and allowing Sora to suppress and reseal the demon lord element. Unwilling to kill Ilia, Arata requests she release the barrier, but she is unable to as she lost control when the demon lord surfaced. With the help of the two grimoires and Mira, Arata destroys the black sun, ending the breakdown phenomenon and also destroying the barrier, dropping them off in front of the destroyed Liber Academy. They reunite with Lilith and Akio before Arata collapses from exertion with the real Hijiri watching from above. While Arata rests, Hijiri invades his room, intending to kill him before he gets stronger. Lilith saves him, though Hijiri is unharmed as she also possesses extreme magical power and a demon lord element that allows her to surpass the strength granted by Magus mode. Hijiri is able to manifest as the Trinity Satan, having mastered the Ruina, Partum, and Analysis Themas within the Ira archive. Just as Hijiri is about to kill Lilith and Arata, Arin arrives with the demon spear Gae Bulg and neutralizes Hijiri's Black Azazel attack. Hijiri teleports out of the room and to Biblia Academy with the rest of Iscariot to destroy the school. Though still magic-depleted, Arata insists that they return to school immediately to help out Levi and Yui.
11"Fianna Knights and Sisters"
"Fiana Naitsu to Shisutāzu" (光輝剣士（フィアナナイツ）と姉妹の絆（シスターズ）)		December 16, 2014 (2014-12-16)
Lugh, another mage from Iscariot, begins an aerial bombardment of the academy. In order to protect the students, Levi goes out to confront Lugh while Yui pulls everyone into her dream world for safety. However, Lugh is stronger than Levi and she injures her arm. Though Levi is able to land a hit, Lugh badly injures her in response as Levi is too slow to dodge the blades. Distressed at Levi's injury, Yui almost loses control over her dream world. In a desperate move, Levi casts Leviathan as her Last Crest, obscuring Lugh's vision with tornadoes. Though Lugh is easily able to dispel the magic, she realizes Levi and the Headmaster used the opportunity to escape and heal. Back at Liber Academy, Arata and the others discover the teleportation device is destroyed and it would take too long to repair or travel to a different portal. Lugh tracks Levi down within the school but is surprised by an attack and trapped within Levi's Shadow Threads. Lugh then reveals she has attained Trinity, having acquired the legendary weapons for Virtus, Faith, and Solvo, as well as become a demon lord candidate while striking and gravely wounding Levi. In order to keep the dream world intact, Selina volunteers to fight and immediately binds Lugh, although it is unable to hold her for Selina to heal Levi. Lugh blasts Selina and Levi but is interrupted by Lieselotte, who has bodyswapped with Selina. Lieselotte uses her greater magic to freeze Lugh, who is forced to sacrifice her Virtus Arm weapon to free herself. Lieselotte tricks Lugh and is able to heal Levi, who takes out her Solvo Wings. Backed in a corner, Lugh summons Hijiri, but Lilith manages to transport everyone back for a final stand.
12"Criminal Girl and His World"
"Kuriminaru Gāru to Hizu Wārudo" (聖戦少女（クリミナルガール）と魔王世界（ヒズワールド）)		December 23, 2014 (2014-12-23)
After a brief conversation between everyone, Arata and the Trinity Seven activate their Magus modes while the Headmasters of Biblia and Liber observe from above. Akio and Yui team up and destroy Lugh's last legendary weapon while the others work to counter Hijiri's techniques. Mira deflects Hijiri's first attack, but only Arin can dispel the defensive abilities in place. Hijiri strikes at Arin, but Levi uses a warp to protect her and get Arin close enough to strike. With the opening Arin's Mistilteinn created, Lilith and Arata combine magics to defeat Hijiri and consume the demon lord element. Having seen a vision of Arata becoming the demon lord and destroying the world with the help of the Trinity Seven, Hijiri became an Iscariot mage to defeat the demon lord and recreate the world, breaking the loop of world creation and destruction at the hands of the demon lord. Hijiri also reveals that she has no physical body as she collapses into a crystal and is reclaimed by the leader of Iscariot Master Liber. After the battle, Lilith invites Arata on a trip to the city and are stalked by Yui, Selina, Levi, and Arin. At the end of the day, Arata gifts Lilith an anti-magic amulet to protect her while Lilith and the others profess their love for Arata.

OVA

[edit]
No. Title Original air date
1"Trinity Seven and Special Lesson!"
"Torinitisebun to tokubetsu jugyō!" (トリニティセブンと特別授業!)		March 25, 2015 (2015-03-25)
Arata is found to be failing and is up for expulsion, however he is given a special assignment in order to have his expulsion revoked. He needs to go to each of the Trinity Seven and get a special lesson from each one of them. First he goes to Liese in order to receive a lesson on the sin "sloth". However she attempts to seduce him but is interrupted by Lilith. Arata and Sora runs out of the nurses's office only to meet Yui. She decided to take him into her dream world and attempts to seduce him as well. However she is stopped when Arata decides to tell her that she has a lot of friends and does not need to rely on him only. She then proceeds to tell him about the sin "Greed". As the day progresses he is visited by Akio in the bath while she tells him all about Gluttony. The scene jumps to Arata and Arin in Arata's room. They are talking about wrath. Arin attempts to show Arata wrath by kissing him and making Lilith angry. Arata goes to visit Mira however when he entered he finds her in the middle of changing. Thus results in him getting hit. Mira proceeds to teach him about pride. Lilith then goes to visit Arata's room to teach him about lust. However is interrupted when Levi shows him the envy that resides in Lilith's heart when she realized that he had to go visit every girl. The episode ends with Levi and Arata running away from Mira and Lilith.

Films

[edit]

A film adaptation of the manga series was announced in the Monthly Dragon Age magazine's August 2016 issue in July 2016.[19] The cast and staff from the anime series returned to reprise their roles in the film.[20] The film, titled Trinity Seven the Movie: The Eternal Library and the Alchemist Girl, premiered on February 25, 2017.[21][22]

On July 3, 2018, the official website of the manga announced that a second film adaptation is in production.[23] The second film, titled Trinity Seven: Heavens Library & Crimson Lord (トリニティセブン, Trinity Seven: Tenkū Toshokan to Shinku no Maō), premiered on March 29, 2019.[24] The cast and staff from the anime series returned to reprise their roles in the second film.[25]

Reception

[edit]

As of June 2017, the manga has over three million copies in print.[26]

See also

[edit]

References

[edit]
[edit]
Revisions and contributorsEdit on WikipediaRead on Wikipedia

Trinity Seven

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Trinity Seven (トリニティセブン Toriniti Sebun), subtitled 7-nin no Mashō Tsukai (7人の魔書使い, "The Seven Magicians"), is a Japanese manga series written by Kenji Saitō and illustrated by Akinari Nao. It has been serialized in Kadokawa Shoten's Monthly Dragon Age magazine since December 9, 2010. As of September 2025, the series has been collected into 33 tankōbon volumes. The story centers on Arata Kasuga, a high school student whose hometown is destroyed by a magical catastrophe called a "Breakdown Phenomenon," prompting him to enroll in the Royal Biblia Academy, a school for mages, where he encounters the Trinity Seven—a group of seven elite female mages each embodying one of the seven deadly sins and specializing in unique magical grimoires. The series blends elements of fantasy, , , and action, following Arata's journey to master , uncover the truth behind the world's destruction, and potentially become a Demon Lord candidate while forming bonds with the Trinity Seven members: Asami (Pride), Kazama (), Arin Kannazuki (), Mira Yamana (Lust), Akio Fudo (Gluttony), Yui Kurata (Envy), and Lieselotte Sherlock (Greed). Key themes include magical theory, grimoires as sources of power, and the balance between and the world's stability, with Arata's interactions often leading to humorous and fanservice-heavy scenarios amid serious battles against threats like the "Artificial Demon Lord." Trinity Seven has been adapted into multiple formats, including a 12-episode television series produced by Pictures, which aired on from October to December 2014. An (OVA), Trinity Seven: The Seven Deadly Sins and the Seven Mages, bundled with the manga's ninth volume, was released in 2015. The franchise expanded with two theatrical films: Trinity Seven: Eternity Library & Alchemic Girl in 2017, focusing on a crisis in the magical Eternal Library, and Trinity Seven: Heaven's Library & Crimson Lord in 2019, involving a battle against a corrupted entity. Additionally, several spin-off manga series explore side stories and characters, such as Trinity Seven: Revision and Trinity Seven: Anastasia Holy Story, further enriching the universe. The is licensed in English by , which has released 30 volumes as of November 2025, with volume 31 scheduled for later in the month.

Premise and Setting

Core Premise

Trinity Seven is a Japanese manga series centered on the story of Arata Kasuga, a high school student whose ordinary life is shattered when his town is destroyed by the Breakdown Phenomenon, a catastrophic magical event triggered by the appearance of the Black Sun in the sky. This disaster results in the disappearance of his beloved cousin and guardian, Hijiri Kasuga, leaving Arata devastated and alone in a world forever altered by magic. The Breakdown Phenomenon represents a collapse of reality caused by unchecked magical forces, erasing entire areas and those within them from existence. In the aftermath, Arata discovers a powerful in his possession—a magical tome known as the Fragment—that grants him the ability to reset his personal reality, restoring a semblance of normalcy to his life but at the cost of erasing memories of Hijiri from everyone around him. This fundamentally alters his existence, marking him as a potential mage and candidate for the Demon , though he initially struggles to comprehend its implications. Soon after, Lilith Asami, a skilled mage and one of the guardians of the magical order, intervenes, revealing the hidden truth of the world's magical undercurrents and the cause behind the destruction of his town. Determined to reunite with Hijiri, whom he believes has been trapped in a of magical , Arata resolves to harness his newfound abilities and enroll at the Royal Biblia , a prestigious dedicated to training mages. At the academy, he aims to master magic not only to rescue his cousin but also to prevent further breakdowns that threaten global stability. This decision propels Arata into a world where grimoires serve as essential tools for channeling magical power, setting the stage for his transformation from an ordinary youth to a key player in the fight against magical cataclysms. Central to this narrative is the concept of the Trinity Seven, a legendary cadre of the seven most powerful mages in existence, each embodying mastery over a specific magical archive and collectively tasked with safeguarding the world from the recurring threat of magical collapses like the . These elite mages act as the primary defenders against phenomena that could unravel reality itself, maintaining balance in a world where magic and the mundane coexist precariously. Arata's involvement draws him into their orbit, positioning him as a pivotal figure whose potential could either bolster their efforts or disrupt the fragile equilibrium they uphold.

Magic System and World-Building

The magic system in Trinity Seven revolves around the Seven Archives, each corresponding to one of the Seven Deadly Sins and overseeing distinct magical domains. For instance, the Archive of Superbia (Pride) focuses on knowledge, analysis, and anti-magic effects, while Luxuria (Lust) governs life force, creation, and restoration. Other archives include Gula (Gluttony) for consumption and absorption, Avaritia (Greed) for enhancement and replication, Invidia (Envy) for imitation and disruption, Ira (Wrath) for destruction and combat, and Acedia (Sloth) for negation and stasis. Mages typically specialize in one archive, studying its underlying principles known as Themas, which represent core magical concepts such as Counter (opposition), Contract (binding), or Chain (connection). These Themas form the basis for Astil Manuscripts, specialized spell formulas that mages derive and inscribe to execute specific incantations, allowing for customized applications within their archive's domain. Grimoires play a crucial role as magical tomes that store, preserve, and amplify a mage's power, often containing forbidden knowledge or unique abilities. These artifacts can evolve with their users and include exceptional variants like the legendary Ilias Fragment, a grimoire that grants extraordinary potential. The system is threatened by Breakdown Phenomena, catastrophic events where magical instability causes the world's laws to collapse, potentially leading to total destruction; a notable example is the Black Sun, a solar anomaly that manifests as a harbinger of such disasters. The Trinity Seven, comprising the world's seven most elite mages who have mastered three Themas each within their archives, hold the vital responsibility of investigating and averting these breakdowns to preserve reality. Key institutions support this magical framework, with the Royal Biblia Academy serving as a premier training hub where aspiring mages hone their skills in a structured environment dedicated to archival studies and practical spellcraft. Complementing this is the Ethereal Library, a vast, otherworldly repository housing infinite magical knowledge and grimoires, accessible only to those with sufficient prowess, functioning as the ultimate archive for advanced research and artifact retrieval.

Characters

Arata Kasuga and Allies

Arata Kasuga serves as the central male of Trinity Seven, transitioning from an ordinary high to a mage-in-training following the catastrophic Breakdown Phenomenon that engulfs his hometown and leads to the disappearance of his cousin, Hijiri. Equipped with the rare Ilias Fragment grimoire, Arata gains the unique ability to nullify and replicate magical spells, marking him as a potential successor to the Demon Lord of the Superbia Archive. His personality is characterized by a carefree, cheerful demeanor, often marked by playful banter and teasing, even amid perilous situations, alongside a notably perverted streak that frequently lands him in comedic or awkward scenarios. Despite this laid-back exterior, Arata demonstrates unwavering determination and resourcefulness in his quest to rescue Hijiri, driving his enrollment at the Royal Biblia Academy where he hones his abilities under guidance from elite mages. Hijiri Kasuga, Arata's cousin and childhood companion, represents the emotional core of his journey as the missing figure whose vanishing sparks his transformation into a mage. Revealed as a formidable mage in her own right, Hijiri inadvertently initiates the series' central Breakdown event through her advanced magical experiments, showcasing her profound intellect and devotion to protecting those she loves, particularly Arata. Her cheerful and poised nature, combined with a strong sense of loyalty, underscores the personal stakes for Arata, positioning her as both a motivator and a symbol of the world's fragile magical balance. Though absent for much of the narrative, Hijiri's influence permeates Arata's actions, emphasizing themes of familial redemption and the consequences of unchecked power. Among Arata's closest allies is Lieselotte Sherlock, his childhood friend and a candidate for the position of Demon Lord as well as a member of the , whose Logos Art magic from the Acedia Archive enables her to manipulate reality through word-based spells and curses. Lieselotte's playful, seductive personality complements Arata's own eccentric traits, fostering a dynamic of mutual teasing and support that evolves from their shared past into a partnership aimed at navigating the magical world's threats. As a demon lord aspirant, she brings a layer of intrigue and power to Arata's circle, often using her feminine charms and cunning to aid his goals while seeking personal atonement for earlier missteps. Her bond with Arata highlights motifs of friendship forged in adversity, providing him with an external perspective on the Demon Lord legacy he inherits. Supporting Arata's development at the Royal Biblia Academy is Headmaster Master Biblia, a Paladin-class mage and authoritative overseer of the institution, whose vast knowledge and combat prowess offer crucial guidance to emerging talents like Arata. Despite his intelligent and strategic mindset, the headmaster shares Arata's penchant for perversion, creating humorous parallels that lighten their mentor-student interactions while reinforcing the academy's unconventional environment. In his role, Master Biblia facilitates Arata's integration into the magical community, providing resources and protection that enable his growth without delving into the elite Trinity Seven's domain. This relationship exemplifies themes of and institutional redemption, as the headmaster's decisions shape Arata's path toward confronting larger existential dangers. The interplay among Arata and his allies—spanning familial ties with Hijiri, childhood camaraderie with Lieselotte, and institutional backing from Master Biblia—cultivates a network rooted in personal loyalty and mutual growth. These connections emphasize redemption through bonds, as each ally contributes to Arata's resolve while he, in turn, inspires their own pursuits of purpose in a world prone to magical collapse. While Arata eventually aligns with the Trinity Seven for broader challenges, his core companions provide the intimate foundation for his .

The Trinity Seven

The Trinity Seven refers to an elite group of seven female mages who have mastered the seven fundamental Archives of magic, each aligned with one of the seven deadly sins. These mages represent the pinnacle of magical prowess in their world, tasked with preserving the balance of magic across dimensions and confronting existential threats like Breakdowns. Recruited to the Royal Biblia Academy, they form the core ensemble around protagonist Arata Kasuga, combining their specialized abilities for collective defense and investigation. Their dynamics blend professional collaboration with personal rivalries, flirtations, and humorous banter, often centered on their affections toward Arata. Lilith Asami holds the Luxuria (Lust) Archive, specializing in Outer Alchemy that transmutes materials into weapons through equivalent exchange using her grimoire Hermes Apocrypha. As the group's leader and Arata's teacher, she embodies a strict, no-nonsense demeanor, guiding the team with intellectual precision while occasionally showing a softer, more vulnerable side. Arin Kannazuki commands the Ira (Wrath) Archive, specializing in Chaotic Rune magic for drawing offensive and defensive symbols that unleash destructive forces, often fire-based. Playful, seductive, and mischievous, she often teases her comrades with her flirtatious nature, serving as the group's scout and close-combat specialist in battles. Levi Kazama wields the () Archive, excelling in Shamanic Spells that incorporate natural elements like water and ice with techniques for enhanced agility and adaptability. A loyal, battle-hardened warrior with a straightforward and protective personality, she acts as the frontline fighter, prioritizing duty and team safety above all. Mira Yamana dominates the () Archive, employing Gehenna Scope magic that analyzes, reflects, and unleashes destructive blasts via her Book of the Mirrored Lands . Initially aloof and antagonistic due to her prideful nature, she evolves into a reliable ally, contributing raw offensive power to the group's strategies. Akio Fudo masters the Gula () , using Enchant spells to store and devour enemy magic, converting it into her own strength or enchanting objects with consumptive effects. Cheerful, gluttonous, and easygoing, she lightens the team's mood with her food obsession and voracious appetite, often supporting by disrupting magical assaults. Yui Kurata governs the Avaritia () , harnessing sound waves via Arc Symphony for vibrational attacks, amplification, and resource-enhancing effects. Shy, bookish, and introverted, she provides analytical support and ranged offense, gradually opening up through her bonds with the group. Lieselotte Sherlock, associated with the (Sloth) Archive through her unique demon lord heritage, specializes in reality alteration, curse deployment, and whimsical spellcraft that bends rules of existence using Logos Art. Eccentric, carefree, and intellectually detached, she functions as an unpredictable wildcard ally, influencing the group's dynamics with her chaotic yet insightful interventions. Together, the Trinity Seven exemplify synergistic teamwork, where their contrasting personalities—ranging from disciplined authority to playful chaos—foster growth and resilience. Their interactions often revolve around lighthearted competitions for Arata's attention, underscoring themes of camaraderie and mutual reliance in the face of magical crises.

Plot Overview

Initial Breakdown and Academy Life

Arata Kasuga awakens in a seemingly intact version of his hometown following the catastrophic Breakdown Phenomenon, only to discover that this reality is an artificial construct generated by the Fragment, a that activated during the event to protect him. This recreated world, often referred to as an "artificial heaven," mirrors his original life but lacks true stability, serving as a temporary barrier against the void left by the destruction. Lilith Asami, a and member of the Trinity Seven from the Royal Biblia Academy, detects the powerful magical signature and confronts Arata, initially mistaking him for a potential threat due to the unauthorized creation of a pocket dimension. After dispelling his defensive illusions and explaining the global proliferation of Breakdowns—mysterious disasters that warp reality—Lilith reveals the role of magical academies in countering them and persuades Arata to join her at Royal Biblia Academy, where he can train to rescue his vanished cousin Hijiri and unravel the phenomena's origins. Their journey to the academy involves navigating magical barriers and Arata's first exposure to basic spellcasting under Lilith's guidance. At Royal Biblia Academy, Arata is formally enrolled by headmaster Master Biblia and integrated into student life, which emphasizes rigorous classes on grimoire theory, rune inscription, and ethical magia use, alongside practical combat drills to prepare mages for Breakdown interventions. He is assigned to a dormitory for advanced students, where daily routines include shared meals, study sessions, and occasional magical mishaps that test discipline. Initial interactions with the Trinity Seven—elite mages embodying the seven deadly sins—prove tumultuous; Arata's casual, flirtatious demeanor clashes with their personalities, leading to skirmishes such as a chase with the rule-enforcing Arin Kannazuki in the academy library and a sparring encounter with the combat-oriented Levi Kazama. These early conflicts highlight Arata's raw talent but also his need for formal training to harness his grimoire's power. The artificial heaven soon manifests as the first major threat when its instability triggers minor magical anomalies around the academy, risking a larger Breakdown that could engulf the institution. Arata, with assistance from and select Trinity Seven members, confronts the destabilizing forces in a trial that reveals his exceptional affinity for Pride-based magic and his potential as a "Super Rookie" mage. This event not only stabilizes the artificial realm temporarily but also solidifies Arata's candidacy to join or even lead the Trinity Seven, positioning him as a key figure in restoring the fractured world through mastery of the sins' archives.

Major Story Arcs

The major story arcs in Trinity Seven center on Arata Kasuga's escalating conflicts as a Demon Lord candidate, intertwined with his persistent quest to restore his cousin Hijiri Kasuga from the Breakdown phenomenon that shattered their world. This journey propels Arata and the into multi-volume battles against existential threats to the magical order, including confrontations with rogue mages and otherworldly entities aiming to trigger further cataclysms. Throughout these arcs, Arata's growth from a novice mage to a strategic leader is marked by his acquisition of forbidden grimoires and alliances that challenge the rigid hierarchies of magical academies. A pivotal arc involves the rebellion led by Lieselotte Sherlock, a Trinity Seven member whose disdain for the magical world's oppressive structures drives her to unleash Breakdowns as acts of defiance. Lieselotte's campaign culminates in an invasion through Dante's Gate, a portal to infernal realms, where she summons demon commanders to dismantle the established order and install a new Demon Lord under her influence. Arata and his allies must navigate this chaotic incursion, forging uneasy pacts with rival forces to counter her plans, which reveal deeper corruptions within the magical hierarchy. This rebellion not only tests the Trinity Seven's loyalty but also exposes Arata's potential as a unifying force against systemic collapse. The Magic Tournament Arc shifts focus to inter-academy rivalries, where Royal Biblia Academy hosts a grand drawing threats from external mages and competing institutions like Akasha Academy. Disguised as a celebratory event to revive stellar , the tournament becomes a battleground for and direct confrontations, with participants vying for ancient artifacts that could prevent or provoke new Breakdowns. Arata's team faces off against formidable opponents, including Anastasia-L, whose hidden agendas amplify the stakes, leading to alliances that bolster the Trinity Seven's cohesion amid revelations about Hijiri's fate. This arc highlights the broader geopolitical tensions in the magical world, emphasizing collaborative strategies over individual prowess. Climactic developments unfold in the assault on the Eternal Library, a sacred repository of magical knowledge, where Arata uncovers the true nature of Anna—a primordial embodying the source of all Breakdowns and the key to Hijiri's restoration. This arc pits the protagonists against divine guardians and god-like adversaries in a war against celestial forces seeking to preserve the status quo at humanity's expense. Revelations about Anna's role as a catalyst for world-ending events force Arata to confront moral dilemmas, culminating in high-stakes rituals that temporarily stabilize the realms but leave lingering vulnerabilities. The Trinity Seven's unity evolves here, with each member's specialized archive contributing to synchronized assaults that underscore their interdependence. Running parallel across these narratives is the ongoing battle against entities like summoned demon commanders during the Dante's Gate incursions, whose multi-phase confrontations span several volumes and demand innovative magical fusions from Arata and his companions. These encounters prevent immediate world-ending Breakdowns while advancing the quest for Hijiri, as clues to her artificial origins emerge through captured artifacts. Arata's maturation is evident in his tactical command, shifting from reactive defenses to proactive offensives that inspire the to overcome personal rivalries and embrace a collective destiny.

Media Releases

Manga and Spin-Offs

The original Trinity Seven manga, subtitled The Seven Magicians, is written by Kenji Saitō and illustrated by Akinari Nao. It began serialization in Fujimi Shobo's Monthly Dragon Age magazine on December 9, 2010, and as of September 2025, it has been collected into 33 tankōbon volumes. The series follows a standard monthly serialization format, with chapters typically spanning 20 to 30 pages and focusing on episodic arcs that blend action, comedy, and romantic elements within the magical academy setting. Each tankōbon volume generally compiles four to five chapters, allowing for self-contained story progressions alongside ongoing plot developments. Nao's artwork is characterized by intricate linework, expressive character designs, and dynamic paneling that highlights magical battles and interpersonal interactions, maintaining a consistent style throughout the run with refinements in shading and detail over time. In , licensed the manga for English release, announcing the acquisition on October 10, 2014, with the first volume published on May 19, 2015. The English editions preserve the original chapter structure while adapting dialogue for cultural nuances, and subsequent volumes have been released in a bimonthly cadence to keep pace with the Japanese serialization. As of November 2025, has published 30 volumes in English, with volume 31 scheduled for release on November 25, 2025. The franchise has spawned several notable spin-off manga series, expanding on supporting characters without altering the main storyline. Trinity Seven: Levi Ninden (also known as Levi Story), written by Saitō with art by Sutarō Hanao based on Nao's character designs, ran from November 9, 2015, to December 9, 2016, and was compiled into three volumes. It centers on Levi Kazama's solo adventures, exploring her backstory and personal quests in a lighter, adventure-focused tone. Similarly, Trinity Seven: Liese Chronicle, written by Saitō with art by Chako Abeno, was serialized from February 9, 2017, to June 9, 2018, and collected into three volumes, with the final volume released on July 9, 2018. This spin-off delves into Lieselotte Sherlock's perspective, featuring standalone tales that highlight her mischievous personality and magical experiments, providing deeper insights into side characters' motivations. Trinity Seven: Revision, written by Saitō with art by Yōichi Nishio, was serialized in Bessatsu Dragon Age from September 26, 2019, to August 29, 2022, and collected into three volumes. It follows a new protagonist, Mitsunari Miyazawa, reborn with magical powers after a demonic encounter, integrating into the Trinity Seven universe. Trinity Seven: Anastasia Holy Story, written by Saitō with art by Bcoca, was serialized in Monthly Dragon Age from September 9, 2019, to January 2021, and collected into three volumes. It focuses on Anastasia=L's investigations at Biblia Academy while the main cast trains elsewhere, exploring her role and related events. All spin-offs serve as supplementary narratives, offering fans episodic content that complements the core series' and fantasy elements.

Light Novels

The Trinity Seven The Novel is a three-volume series serving as a spinoff to the main , written by series creator Kenji Saitō and illustrated by Akinari Nao. Published by under its Fujimi Shobo imprint, the novels focus on side stories that explore the pasts of the primary female characters and events not depicted in the manga, offering supplementary narratives centered around Arata Kasuga, the Black Sun phenomenon, and associated grimoires following a Breakdown Phenomenon. The first volume, subtitled Night Episode and Lost Memory ( 978-4-04-070267-4), was released on November 8, 2014, and inserts short stories set between chapters 38 and 39 of the , emphasizing character backstories and lost memories tied to magical incidents. The second volume, Eternity Library & Alchemic Girl ( 978-4-04-070352-7), appeared on December 29, 2014, expanding on themes of eternal libraries and alchemical pursuits through additional episodes that provide deeper insights into the characters' histories and magical pursuits. The series concluded with its third volume, Holy Shrine Maiden and the Eighth Library (ISBN 978-4-04-072570-3), published on January 9, 2018, which further delves into lore surrounding shrine maidens and the eighth magical archive, complementing the manga's world-building by detailing origins and alternate perspectives on key magical elements like the Archives. No official English-language release of the light novels has been made available.

Adaptations

Anime Series and OVAs

The television anime adaptation of Trinity Seven was produced by and aired for 12 episodes from October 7 to December 23, 2014, primarily on , AT-X, and other networks including the Docomo Anime Store. The series was directed by Hiroshi Nishikiori, with series composition handled by , who also scripted several episodes. It adapts the early arcs of the original , focusing on protagonist Arata Kasuga's enrollment at the Royal Biblia Academy and his interactions with the Trinity Seven mages, while incorporating some original filler content to adjust pacing and expand on character dynamics. The voice cast features as Arata Kasuga and as Asami, alongside other notable performers such as as Levi Kazama and as Arin Kannazuki. The music was composed by Technoboys Pulcraft Green-Fund, with the opening theme "Seven Doors" performed by and multiple ending themes including "BEAUTIFUL≒SENTENCE" by the unit Magus Two. In , licensed the series for distribution, releasing it digitally in 2016 followed by home video on Blu-ray and DVD. An (OVA) episode, titled Trinity Seven: The Seven Deadly Sins and the Seven Mages, was released on March 25, 2015, bundled with the limited edition of the manga's 11th compiled volume. Written and scripted by original creator Kenji Saitō, the OVA presents a standalone comedic story in which Arata Kasuga faces expulsion for poor performance and must learn about the seven magic archives directly from the , leading to fanservice-heavy and humorous interactions without advancing the main storyline. Produced under the same staff as the TV series, it maintains the anime's visual style and voice cast, serving as a bonus short to complement the adaptation.

Films

The Trinity Seven anime franchise includes two theatrical films produced by Pictures, both directed by Hiroshi Nishikiori and featuring the returning voice cast from the television series, including as Arata Kasuga and as Asami. The first film, Trinity Seven: Eternity Library & Alchemic Girl (original title: Trinity Seven: Eien no Toshokan to Renkinjutsushi no Shōjo), premiered in on February 25, 2017. This 55-minute original story follows Arata as he accidentally activates 's grimoire, the Hermes Apocrypha, drawing the attention of alchemists intent on destroying the Eternal ; Lilim, a daughter of the Demon Lord from the Sixth , emerges to warn him, leading the Trinity Seven to unite in defense against the alchemist invaders. The screenplay was written by series creator Kenji Saitō alongside , with character designs and chief animation direction by Shinpei Tomooka, emphasizing high-stakes magical battles and interpersonal dynamics among the group. Distributed by Avex Pictures, the film expands the canon through a self-contained arc focused on library preservation and alchemical threats, blending intense action sequences with romantic tension between Arata and the mages. The second film, Trinity Seven: Heaven's Library & Crimson Lord (original title: Trinity Seven: Tenshō Yusetsuden - Heaven's Library to Akaku no Maō), was released in Japan on March 29, 2019, in a limited theatrical run at venues including Shinjuku Wald 9. This sequel presents another original narrative set after the television series and the first film, where Arata and the Trinity Seven confront their most formidable adversary: Lugh, Lilith's father and the strongest Demon Lord of the Crimson Moon, in a battle to protect the Heavens Library. Retaining the core production team, including Saitō's involvement in the script, the film heightens the action with large-scale magical confrontations while deepening romantic elements through character revelations and alliances. It grossed approximately $15,712 in North America during its limited U.S. release, reflecting modest international performance typical of niche anime theatrical distributions. Both films serve as canonical extensions to the Trinity Seven storyline, introducing unique arcs absent from the that explore new magical realms and antagonists, thereby amplifying the series' themes of demonic power, library guardianship, and harem-style relationships. They are available for streaming on platforms like , broadening access beyond initial theatrical screenings.

Reception and Legacy

Critical and Fan Response

Critics have praised Trinity Seven for its effective blend of comedy, dynamics, and magical battles, noting how the series uses humor and fanservice to complement its fantasy elements without fully overshadowing the action sequences. In reviews of the adaptation, highlighted the amusing male protagonist and the integration of fanservice with magical displays, describing it as a solid baseline for the ecchi harem genre. However, the same outlet critiqued the show's pacing, particularly in later episodes, where action scenes felt casually executed and lacked tension, leading to an overall C- rating for episodes 8-12. For the manga, reviewers have commended Kenji Saitō's world-building, which draws influences from established fantasy tropes like magical academies and sin-based power systems, creating a paradoxical magical framework that ties character motivations to broader lore. ICv2's assessment noted the series' attempt to balance comedy, romance, and action, though it found the debut volume decent yet forgettable, with fanservice occasionally disrupting narrative flow. Later arcs faced criticism for uneven plot pacing, where escalating interactions and prolonged battles diluted the initial intrigue. Fan reception has been generally positive among shōnen and enthusiasts, with user ratings averaging 6.881 out of 10 (classified as "Good"), reflecting appreciation for the likable characters and lighthearted tone. The manga's user score on the same site stands at 6.125 ("Decent"), indicating sustained interest in its humorous dynamics despite critiques of repetitive elements. Discussions emphasize the appeal of the protagonist's confident personality and the series' unapologetic embrace of tropes, though some express frustration with overreliance on fanservice at the expense of deeper development. Thematically, Trinity Seven explores desire, knowledge, and power through its Sins-based , where each mage's "Theme" embodies a deadly to channel magical potential, critiquing how personal vices fuel both strength and vulnerability in a world of parallel realities. This framework has been noted for adding conceptual depth to the elements, portraying the pursuit of as a double-edged pursuit of and .

Commercial Success

The Trinity Seven manga series achieved significant commercial milestones in Japan, with over 3 million copies in print by June 2017, reaching over 4.8 million copies in circulation (including spin-offs and digital editions) as of October 2025. The ongoing serialization in Monthly Dragon Age has resulted in steady volume releases, reaching 33 volumes by September 2025, and several entries have charted on weekly rankings, including volume 16 at #7 with 41,905 copies sold in early 2017. The 2014 anime adaptation contributed to the franchise's market performance through home video releases, with distributing the complete collection on Blu-ray and DVD in starting in 2016. Theatrical films further expanded commercial reach: Trinity Seven the Movie: Eternity Library & Alchemic Girl premiered in Japanese theaters on February 25, 2017, followed by Trinity Seven: Heavens Library & Crimson Lord on March 29, 2019. Internationally, has licensed the manga for English-language publication, releasing up to volume 30 as of November 2025, with volume 31 scheduled for November 25, 2025, alongside spin-offs like Trinity Seven Revision. handled anime distribution beyond , supporting global accessibility. Merchandise, including PVC figures from manufacturers like (e.g., 1/8-scale swimsuit versions of characters such as Mira Yamana), has been widely available through retailers like AmiAmi and Amazon. As of 2025, no major new productions have emerged since the 2019 film, but the series maintains sustained digital popularity via streaming on , where it holds a 4.6/5 user rating from over 14,900 reviews and remains recommended in updated watch guides.

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  40. https://www.animenewsnetwork.com/news/2014-11-04/trinity-seven-author-illustrator-create-spinoff-novels/.80615
  41. https://www.amazon.co.jp/dp/4040702670
  42. https://www.amazon.co.jp/dp/4040703529
  43. https://www.amazon.co.jp/dp/4040725700
  44. https://www.animenewsnetwork.com/review/trinity-seven/episodes-8-12/.82583
  45. https://www.animenewsnetwork.com/news/2014-08-07/yoshitsugu-matsuoka-yumi-hara-lead-trinity-seven-tv-anime-cast/.77395
  46. https://www.animenewsnetwork.com/news/2016-04-18/sentai-filmworks-adds-trinity-seven-anime/.101210
  47. https://www.animenewsnetwork.com/news/2014-11-05/trinity-seven-manga-to-bundle-unaired-anime-episode/.80695
  48. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=18920
  49. https://www.animenewsnetwork.com/encyclopedia/anime.php?id=21599
  50. https://www.imdb.com/title/tt6344696/
  51. https://www.crunchyroll.com/news/latest/2018/11/27/trinity-seven-sequel-hits-japanese-theaters-in-march-of-2019
  52. https://www.imdb.com/title/tt9826484/
  53. https://www.theaterbyte.com/trinity-seven-complete-collection-theaterbyte-blu-ray-review/
  54. https://anidb.net/anime/10441/review
  55. https://www.anime-planet.com/manga/trinity-seven/reviews
  56. https://icv2.com/articles/reviews/view/31761/review-trinity-seven-vol-1-the-seven-magicians-tp-manga
  57. https://honeysanime.com/trinity-seven-review-the-comedy-of-ecchi-harem-anime/
  58. https://animecafe.host/2015/01/06/trinity-seven-review/
  59. https://trinity-seven.fandom.com/wiki/Theme
  60. https://www.animenewsnetwork.com/daily-briefs/2017-06-16/trinity-seven-manga-has-more-than-3-million-copies-in-print/.117602
  61. https://x.com/MangaMoguraRE/status/1983356283270115399
  62. https://www.facebook.com/JUMPNews/posts/weekly-oricon-ranking-6-de-febrero-al-12-de-febrero01-one-piece-84-546021-204646/1256476677778215/
  63. https://www.sentaifilmworks.com/products/816726023175-trinity-seven-complete-collection-blu-ray
  64. https://www.amazon.com/PLUM-Trinity-Seven-Swimwear-Version/dp/B00QW9YAPO
  65. https://www.crunchyroll.com/series/G60914JM6/trinity-seven
  66. https://animefreakjapan.com/trinity-seven-watch-order-guide-2025-how-to-watch-the-anime-ova-movies-in-the-right-order/
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