Koji Seo Filmography
| 2005 | Suzuka (TV Series) · as Track & Field Club Member |
| 2023 | The Café Terrace and Its Goddesses (TV Series) · as Comic Book |
| 2017 | Animation x Paralympic: Who Is Your Hero? (TV Series) · as Creator |
| 2017 | Fuuka (TV Series) · as Comic Book |
| 2012 | A Town Where You Live (TV Series) · as Comic Book |
| 2005 | Suzuka (TV Series) · as Comic Book |