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Kuzuha
Kuzuha (葛葉) is a Japanese virtual YouTuber (VTuber) affiliated with Nijisanji. He started as an independent creator in 2018 before being scouted into Nijisanji, as part of now-dissolved branch "Nijisanji Gamers." He is mainly active as a game streamer and as well utaite. He also performs as a singer signed under UMJ's Virgin Music.
In June 2025, his YouTube channel surpassed 2 million subscribers, being the first in Nijisanji as well the first male VTuber in Japan to achieve this milestone.
Kuzuha debuted as an independent VTuber on 8 March 2018, before being scouted by Anycolor (then-Ichikara) and officially become part of Nijisanji's gamer branch "Nijisanji Gamers" from July 30. He was the first VTuber to be scouted by the company. The branch was later dissolved in December 2018 and the members now referred to as "EX-Gamers."
He was featured along with fellow VTuber Shibuya Hal in the special edition of Anan's 2318th issue (released in October 2022). This marks the first time for VTuber to be featured as cover of the magazine.
Kuzuha's character is a 100+ years old vampire who doesn't drink blood; his real name is "Alexander Lagusa" (アレクサンドル・ラグーザ). He is a NEET gamer who started streaming to make easy money. Kuzuha is capable of transforming himself into a girl called "Sanya" (サーニャ), but admitted that it "takes a lot of his magic power" so she doesn't appear much.
Kuzuha is known for streaming his gameplay for long periods. He would start streaming between 9 and 11pm (JST) for about 6 to 10 hours for almost every day. He is also noted for his proficiency in gaming skills and his intriguing word of choice during live commentary and conversation. Despite this, many people who have directly involved with him reveal that Kuzuha is very shy towards new people and doesn't talk as much as he does in streams.
Kuzuha released his first original song on September 28, 2021, through digital single "Contrail" (コントレイル), which he involved with the lyrics. It topped the Billboard Japan in downloaded song category. He held his first solo live event on November 10 (his birthday) where he announced his major debut under Virgin Music as well the release of album "Sweet Bite". In 2023, he released a single "Black Crack." The lead song was used as opening song for anime Good Night World.
As utaite, his most popular cover would be King, a song by Kanaria. The cover has exceeded 53 million views as of June 2025.
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Kuzuha AI simulator
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Kuzuha
Kuzuha (葛葉) is a Japanese virtual YouTuber (VTuber) affiliated with Nijisanji. He started as an independent creator in 2018 before being scouted into Nijisanji, as part of now-dissolved branch "Nijisanji Gamers." He is mainly active as a game streamer and as well utaite. He also performs as a singer signed under UMJ's Virgin Music.
In June 2025, his YouTube channel surpassed 2 million subscribers, being the first in Nijisanji as well the first male VTuber in Japan to achieve this milestone.
Kuzuha debuted as an independent VTuber on 8 March 2018, before being scouted by Anycolor (then-Ichikara) and officially become part of Nijisanji's gamer branch "Nijisanji Gamers" from July 30. He was the first VTuber to be scouted by the company. The branch was later dissolved in December 2018 and the members now referred to as "EX-Gamers."
He was featured along with fellow VTuber Shibuya Hal in the special edition of Anan's 2318th issue (released in October 2022). This marks the first time for VTuber to be featured as cover of the magazine.
Kuzuha's character is a 100+ years old vampire who doesn't drink blood; his real name is "Alexander Lagusa" (アレクサンドル・ラグーザ). He is a NEET gamer who started streaming to make easy money. Kuzuha is capable of transforming himself into a girl called "Sanya" (サーニャ), but admitted that it "takes a lot of his magic power" so she doesn't appear much.
Kuzuha is known for streaming his gameplay for long periods. He would start streaming between 9 and 11pm (JST) for about 6 to 10 hours for almost every day. He is also noted for his proficiency in gaming skills and his intriguing word of choice during live commentary and conversation. Despite this, many people who have directly involved with him reveal that Kuzuha is very shy towards new people and doesn't talk as much as he does in streams.
Kuzuha released his first original song on September 28, 2021, through digital single "Contrail" (コントレイル), which he involved with the lyrics. It topped the Billboard Japan in downloaded song category. He held his first solo live event on November 10 (his birthday) where he announced his major debut under Virgin Music as well the release of album "Sweet Bite". In 2023, he released a single "Black Crack." The lead song was used as opening song for anime Good Night World.
As utaite, his most popular cover would be King, a song by Kanaria. The cover has exceeded 53 million views as of June 2025.