Keiichi Oosawa

Keiichi Oosawa

大沢圭一
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Staff credits

2

2026

Daikenja Riddle no Jikan Gyakko
Daikenja Riddle no Jikan Gyakko
Theme Song Composition (ED)

2024

The Many Sides of Voice Actor Radio
The Many Sides of Voice Actor Radio
Theme Song Arrangement (OP)