People · Dossier
Active since 2025
Seiya Matsumuro
松室政哉
Director · Staff
1
Director and staff · 1 anime credit across their career. Best known for Theme Song Performance on Catch Me at the Ballpark!.
Derived from credit data — not curated copy
2025 – 2025
1 year active
1
Staff credits
Best known for · Direction
Theme Song Performance
2025
Catch Me at the Ballpark!
Theme Song Performance
Top staff positions
Theme Song Arrangement
1
Theme Song Composition
1
Theme Song Performance
1