People · Dossier
Active since 2018
SK
Seiji Kuboyama
久保山誠士
Director · Staff
21
Director and staff · 21 anime credits across 8 years. Best known for Key Animation on Umamusume: Pretty Derby - Beginning of a New Era.
Derived from credit data — not curated copy
2018 – 2025
8 years active
21
Staff credits
Best known for · Direction
Key Animation
2024
Umamusume: Pretty Derby - Beginning of a New Era
Key Animation
Top staff positions
2nd Key Animation
8
Key Animation
8
Animation Director
5
In-Between Animation
2