Behind the camera
- 2025The Summer Hikaru DiedSound Director12 ep.
- 2023Phoenix: Eden17Sound Director4 ep.
- 2021From Now On We Begin EthicsSound Director8 ep.
- 2019ObsoleteSound Designer12 ep.
- 2014Ronja, the Robber's DaughterSound Director26 ep.
- 2004GankutsuouAdditional Music24 ep.
- 2003TexhnolyzeSound Designer20 ep.
Also known as: Kōji Kasamatsu · Kôji Kasamatsu · Kouji Kasamatsu