People · DossierActive since 2013
Keiichi Oosawa
大沢圭一
- Director · Staff9
Director and staff · 9 anime credits across 14 years. Best known for Theme Song Arrangement (OP) on The Weakest Tamer Began a Journey to Pick Up Trash.
Derived from credit data — not curated copy
2013 – Present14 years active
- Staff credits
- 9
Best known for · Direction
The Weakest Tamer Began a Journey to Pick Up Trash
Theme Song Arrangement (OP) · 2024
Theme Song Arrangement (OP)
Top staff positions
- Theme Song Arrangement (OP)4
- Theme Song Arrangement (ED)1
- Theme Song Arrangement (ED1)1
- Theme Song Arrangement (ED1-3, 8, 10)1








