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SynergySP
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SynergySP
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SynergySP Co., Ltd., (Japanese: 有限会社SynergySP, Hepburn: Yūgen-gaisha ShinajīSP) is a Japanese animation studio founded on September 24, 1998, as Synergy Japan which originally split off from Studio Junio (which itself was founded by Toei Animation staff). In 2005, the company became associated with Shogakukan-Shueisha Productions, a subsidiary of the Shogakukan publishing company. In April 2017, the company became a subsidiary of Shin-Ei Animation.[1]

Key Information

On July 29, 2022, according to their official website, they no longer producing Shogakukan shows and they removed them to the site.

Works

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Television series

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OVA/ONAs

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Films

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Cancelled works

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References

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SynergySP

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SynergySP Co., Ltd. (Japanese: 有限会社SynergySP, Yūgen-gaisha Shinajī Esu Pī) is a Japanese studio headquartered in , specializing in the production of content primarily targeted at children and families. Founded on September 24, 1998, as Synergy Japan by former employees of Studio Junio—including directors Minoru Okazaki, Minoru Maeda, and Hiroshi Wagatsuma—the studio initially focused on production and key services. In 2005, it was acquired by Co., Ltd. (ShoPro), a subsidiary of , leading to its renaming as SynergySP and expansion into main production roles for TV Tokyo's Sunday morning block from 2005 to 2010. The studio became independent from ShoPro in 2014 but was acquired as a subsidiary by in April 2017, continuing to handle full productions, key , and in-between work for major series. SynergySP's notable main productions include the magical girl series (2003, co-produced with ), the fantasy adventure (2005–2007), the romantic comedy (2007–2008, with sequels), the baseball drama Cross Game (2009–2010), and children's card battle anime like (2014–2018). It has also contributed key animation to high-profile titles such as Attack on Titan (2017 season), Sword Art Online (2012), and Bleach: Thousand-Year Blood War (2022). With 85 employees as of October 2025, SynergySP remains active in the industry as a subsidiary of Shin-Ei Animation, emphasizing collaborative projects and original content for broadcast and streaming platforms.

History

Founding

SynergySP was established on September 24, 1998, as Synergy Japan Co., Ltd., marking its formal incorporation following an initial setup earlier that year on May 1. This formation resulted from a split by former employees of Studio Junio, an founded in by Takao Kozai and known for its work as a subcontractor, particularly for . Studio Junio itself drew from expertise developed by ex- staff, providing a foundational legacy in production techniques. The key figures behind the studio's creation included Minoru Okazaki, who served as the initial representative director, alongside Minoru Maeda and Hiroshi Wagatsuma, who spearheaded the independence to form a dedicated entity. These founders leveraged their experience from Studio Junio to establish Japan as an independent operation, initially headquartered in Suginami-ku, , . From its inception, Synergy Japan concentrated on in-between and key services for external clients, continuing the subcontracting tradition of its predecessor while aiming to build collaborative partnerships within the industry. This focus allowed the studio to contribute to various projects for major producers, emphasizing efficient production support in the competitive landscape of late-1990s Japanese .

Acquisition and subsequent changes

In 2005, Synergy Japan was acquired by Shogakukan Productions, a subsidiary of the publishing company, and subsequently rebranded as SynergySP Co., Ltd. to align with its new corporate structure. This acquisition marked a significant shift from the studio's independent founding in 1998 as a from Studio Junio. The integration provided SynergySP with expanded resources, enabling it to take on fuller production responsibilities beyond its prior subcontracting focus, such as handling in-house key for properties tied to Shogakukan intellectual properties. In 2011, Toshihiro Nakazawa succeeded Minoru Okazaki as representative director. In 2014, the studio became independent from (formerly Shogakukan Productions), and Nakazawa resigned from his position. Following these changes, the studio increased its involvement in original television series production from the mid-2010s onward, contributing to a stable output of projects throughout the 2010s and into the 2020s. In April 2017, SynergySP became a subsidiary of Co., Ltd., further embedding it within a broader production network known for long-running series like , which supported collaborative efforts in animation. By 2022, the studio announced the cessation of its remaining production ties with , removing related works from its portfolio and website. SynergySP remains active as a mid-tier , specializing in genres such as sports, slice-of-life, and adaptations.

Key personnel

Founders and early leadership

SynergySP was established on September 24, 1998, as Synergy Japan by former employees of Studio Junio, including lead founder Minoru Okazaki, who served as the first representative director from 1998 until 2011. Okazaki, born in 1942 in , had an extensive background as a producer and director at Studio Junio, where he handled subcontracting for projects such as (1963) and (1986), bringing expertise in managing large-scale anime productions to the new studio. Under his leadership, SynergySP transitioned from its origins in in-between animation and key frame work to independent operations, focusing initially on reliable subcontracting for external clients. Co-founder Minoru Maeda contributed significantly to the studio's early animation production management, leveraging his experience in key animation developed during Studio Junio's subcontracting period for since joining in 1968. Maeda, born in 1954 in , had previously served as a character designer and animation supervisor on projects like and early series, ensuring efficient workflows in SynergySP's initial phases of operation. His role emphasized production oversight, helping to build the studio's capacity for collaborative animation tasks. Hiroshi Wagatsuma, another co-founder, managed administrative and creative coordination in the studio's formative years, drawing from his prior work as an at Studio Junio on Toei subcontracts. Wagatsuma's contributions were key to securing early client acquisitions for in-between animation services, stabilizing the studio's operations post-independence. His background included directing episodes and key animation on series like , which informed SynergySP's approach to integrated production teams. The founding leadership of Okazaki, Maeda, and Wagatsuma collectively shaped SynergySP's emphasis on synergistic workflows among animators and s, laying the groundwork for dependable subcontracting before expanding into full productions. This collaborative ethos, reflected in the studio's eventual name change to SynergySP in 2005 amid operational shifts, positioned the company for sustained growth in the industry.

Current representatives

Toshihiro Nakazawa served as representative director of SynergySP from 2011 until his retirement in 2014, succeeding founder Minoru Okazaki. Nakazawa, previously with Shogakukan-Shueisha Productions in production coordination roles, helped expand the studio's television series portfolio during his tenure. Yuriko Nanao acted as co-representative director alongside Nakazawa from 2011 until 2014, with a primary focus on administrative oversight and operational stability. Drawing from her extensive experience in animation planning, Nanao prioritized adherence to Shogakukan's intellectual property guidelines during collaborative projects. As of 2023, Ryota Kato serves as the representative director and president of SynergySP. Their leadership has emphasized a hybrid production model combining in-house capabilities with external partnerships, sustaining mid-sized operations with approximately 85 staff members as of 2025. Under this tenure, SynergySP has pursued diverse genres, including series like (2024).

Works

Television series

SynergySP has contributed to numerous anime series since the mid-2000s, often serving as the primary or providing key support in production. Their involvement typically includes full production for extended runs, with a focus on episodic suited to broadcast formats. By 2025, the studio had participated in over 20 series, drawing from a broader portfolio of more than 50 projects. Among their major productions, SynergySP handled lead animation for Cross Game (2009–2010), a 50-episode sports and romance adaptation of Mitsuru Adachi's manga, emphasizing character-driven baseball narratives and interpersonal relationships. They also produced seasons 4–6 of Major (2007–2010), spanning 26, 25, and 25 episodes respectively, continuing the long-running shonen baseball series with intense match sequences and character growth arcs. For Hayate the Combat Butler (2007), SynergySP served as the main animation production studio for its initial 52-episode run, later extending support to subsequent seasons through 2013 in a comedy-action format blending rom-com elements with supernatural battles. In these projects, SynergySP frequently managed key animation and in-between frames for series lasting 20–50 episodes, enabling consistent visual flow in action-heavy scenes. Their work on sports titles like Major and Cross Game features dynamic sequences, such as fluid batting and fielding motions that heighten tension during games. This subcontracting approach traces back to their early years but evolved into lead roles for select broadcasts. SynergySP's genre specialties lie in shonen sports anime, exemplified by baseball-focused adaptations like Major seasons 4–6 and Cross Game, alongside romantic comedy series such as Hayate the Combat Butler. These productions highlight ensemble team interactions and emotional depth over solo heroics, contributing to their reputation in adaptive storytelling. Recent notable works include Taisho Otome Fairy Tale (2021), a historical romance, and A Couple of Cuckoos (2022), a romantic comedy about switched-at-birth teens, as well as the children's card battle series Future Card Buddyfight (2014–2018). Critics have praised SynergySP's fluid character animation, particularly in depicting ensemble casts and team dynamics, as seen in the smooth, detailed movements during Cross Game's interpersonal and athletic scenes, which enhance the series' emotional resonance. Similarly, their handling of Major's later seasons earned acclaim for high-quality detail in prolonged sports narratives, solidifying their impact on sports anime visuals.

OVAs and ONAs

SynergySP has produced several original video animations (OVAs), focusing on compact, high-stakes narratives that extend or conclude popular series for dedicated fans. One prominent example is Final Stage (2014), a four-episode OVA that serves as the dramatic conclusion to the long-running racing series, depicting Project D's final challenges in the Kanagawa region with intense downhill battles and character resolutions. Another key OVA is Zettai Karen Children OVA: Aitazousei! Ubawareta Mirai? (2010), a action project featuring psychic children in high-energy confrontations, emphasizing fluid animation for esper abilities and team dynamics in a single-episode format. In the realm of original net animations (ONAs), SynergySP has contributed through assistance and key animation support, adapting to streaming platforms for shorter, web-distributed content. The studio served as co-animation production for The 8th Son? Are You Kidding Me? (2020), an isekai series with 12 episodes following a reincarnated protagonist navigating noble family intrigue and magic in a fantasy world. Similarly, SynergySP offered 2nd key animation support for episodes of Dr. Stone TV seasons, including Dr. Stone: Stone Wars (2021) and Dr. Stone: Science Future (2025), enhancing scientific revival sequences with precise mechanical and explosive effects. Recent OVA examples include Magical Girl Raising Project Restart (2022), a three-episode continuation of the battle royale series. SynergySP's OVAs and ONAs typically range from 1 to 6 episodes, each lasting 20-30 minutes, prioritizing high-impact visuals tailored to niche audiences, such as the seamless supernatural motion in Zettai Karen Children OVA: Aitazousei! Ubawareta Mirai? that highlights psychic combat choreography. Over time, the studio has evolved from standalone OVAs in the 2000s, like the Major side stories (2008), to collaborative ONAs in the 2020s suited for online streaming, accumulating approximately 10 such projects that complement their broader television output.

Films

SynergySP has primarily contributed to feature films through subcontracted roles such as second key and in-between , focusing on family-oriented productions that emphasize accessible for younger audiences. The studio's involvement in theatrical releases has been supportive rather than lead production, aiding in the creation of smooth character movements and dynamic sequences suitable for children's entertainment. This approach aligns with SynergySP's broader emphasis on child-friendly content, as seen in their work on over five feature films across the and 2010s. A notable example is their second key animation for parts 2 through 10 of : Nobita and the Space Heroes (2015), where they supported the film's superhero-themed space adventure, contributing to fluid action sequences like heroic battles and character poses. In this production, SynergySP's efforts helped maintain the movie's energetic, whimsical tone, enhancing the visual appeal for its target demographic of children. SynergySP also provided in-between animation for multiple entries in the Soreike! Anpanman during the and , including Soreike! Anpanman: Inochi no Hoshi no Dolly (2006), Soreike! Anpanman: Black Nose to Mahō no Uta (2007), Soreike! Anpanman: Dadandan to Futago no Hoshi (2009), and Soreike! Anpanman: Sukue! Kokorin to Kiseki no Hoshi (2011). These contributions focused on the gentle, playful movements of characters in the franchise's moral tales, ensuring consistent and engaging for viewers. Through such roles, the studio has bolstered the cinematic scope of these family features without taking credits. Post-2010, SynergySP's film support has expanded into hybrid projects, including animation production cooperation for titles like Gō-chan: Moco to Koori no Ue no Yakusoku (2018) and in-between for Shinkansen Henkei Robo Shinkalion: Mirai Kara Shinsoku no ALFA-X (2019), reflecting growing involvement in diverse theatrical formats while maintaining a subcontracting focus. This evolution builds on their subcontracting history in anime production, prioritizing reliable contributions to established franchises.

Cancelled works

In its over 25-year history, SynergySP has experienced few project cancellations, with the of Ten Count standing out as the studio's most prominent unproduced work. Announced in 2018 as a collaboration between SynergySP and East Fish Studio, the project was envisioned as a adapting Rihito Takarai's manga Ten Count, which follows a therapist's obsessive-compulsive and their evolving relationship. A release was initially targeted for 2023, but faced multiple delays amid production challenges. On January 18, , the Ten Count Production Committee officially cancelled the film, citing unspecified production issues such as scheduling and resource constraints. This decision marked a rare setback for SynergySP, which had prioritized television and OVA formats in its early years, including shelved concepts for intellectual properties in the early that were deprioritized in favor of TV series development. The cancellation underscored difficulties in adapting BL manga to feature-length anime, particularly for a studio with limited prior experience in the genre, though SynergySP maintained its reputation for project completion overall, with no major television cancellations reported.
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