Fuyuki Hakase (葉加瀬冬雪)
At a glance
- Who: Fuyuki Hakase (葉加瀬冬雪), a NIJISANJI VTuber with a laboratory-themed character
- Agency: NIJISANJI
- Debut: July 2019
- Birthday: February 19
- Language and content: Japanese; games, talk and singing
- Status: Active (checked 2026-10-29)
Who Fuyuki Hakase is
Fuyuki Hakase (葉加瀬冬雪) is a female VTuber who belongs to NIJISANJI, the project operated by ANYCOLOR. Her character is a high school girl who loves experiments and is often shown carrying suspicious chemicals, according to VirtualHumans. Her fan name is “Labmen”.
Hololist gives her debut as July 6, 2019, while VirtualHumans lists June 7, 2019, so this page gives only July 2019 and notes the discrepancy. She debuted as part of the trio SMC-gumi together with Kagami Hayato and Yorumi Rena. Her birthday is February 19 according to Hololist.
Channel and style
She is also a member of the musical unit TRiNITY, and VirtualHumans notes cover songs, albums and live event appearances. Her YouTube channel is named 葉加瀬 冬雪 / Hakase Fuyuki and, according to Yutura, has about 478,000 subscribers (checked October 2026).
Her channel shows regular game streams. On April 6, 2026, she held a four-person multiplayer stream of Slay the Spire 2 with Takamiya Rion, Maimoto Keisuke and Mashiro Gyo, and on April 12, 2026, she streamed another Slay the Spire 2 run. These are the latest dated items found, so recent activity after April 2026 was not verified.
How to follow and what to expect
The archived live streams are the main content on the channel, and many of them are game playthroughs and multiplayer collaborations with other NIJISANJI members.
Her X account is used for stream notices and event announcements.
Official links
FAQ
When is Fuyuki Hakase’s birthday? Her birthday is February 19, according to Hololist.
Which agency is she in? She belongs to NIJISANJI, operated by ANYCOLOR.
What language does she use? She streams in Japanese.
Where can I watch her? Her main channel is on YouTube, and announcements are posted on X.
Related
Sources
- Hakase Fuyuki (Hololist)
- Hakase Fuyuki (VirtualHumans)
- Hakase Fuyuki YouTube channel
- Hakase Fuyuki channel statistics (Yutura)
- Slay the Spire 2 stream, April 12, 2026 (Yutura)
- Slay the Spire 2 multiplayer stream, April 6, 2026 (Yutura)
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Profile
Sources
Reviewed by WVR Inoue on October 29, 2026. See our editorial standards.
Thumbnail: 【】歌ってみた KING 葛葉 【】 by Kuzuha Channel on YouTube. Shown via YouTube; all rights belong to their owners.
