People · Dossier
Active since 1999
MH
Masaya Hasegawa
長谷川将矢
Director · Staff
19
Director and staff · 19 anime credits across four decades. Best known for Key Animation on One Piece Fan Letter.
Derived from credit data — not curated copy
1999 – 2024
26 years active
19
Staff credits
Best known for · Direction
Key Animation
2024
One Piece Fan Letter
Key Animation
Top staff positions
Key Animation
11
In-Between Animation
10
2nd Key Animation
4