Kei Ookubo Filmography
| 2024 | Why Does Nobody Remember Me in This World? (TV Series) · as Music Arranger |
| 2023 | Hitozuma no toriko: Tonari no Asami-san · as Original Music Composer |
| 2022 | Saaya & Koharu · as Original Music Composer |
| 2024 | Why Does Nobody Remember Me in This World? (TV Series) · as Music Arranger |
| 2023 | Hitozuma no toriko: Tonari no Asami-san · as Original Music Composer |
| 2022 | Saaya & Koharu · as Original Music Composer |