Sejoon Kim Filmography
| 2021 | Ranking of Kings (TV Series) |
| 2017 |
| 2017 | Mobile Suit Gundam: Twilight AXIS Red Trace · as Screenplay |
| 2026 | Snowball Earth (TV Series) · as Mechanical Designer |
| 2025 | Mobile Suit Gundam GQuuuuuuX (TV Series) · as Mechanical Designer |
| 2025 | Mobile Suit Gundam GQuuuuuuX: Beginning · as Mechanical Designer |
| 2022 | Mobile Suit Gundam: The Witch from Mercury (TV Series) · as Key Animation |
| 2022 | Mobile Suit Gundam: Cucuruz Doan's Island · as Key Animation |
| 2022 | Vampire in the Garden (TV Series) · as Animation Director |
| 2022 | SPY x FAMILY (TV Series) · as Opening/ending Animation |
| 2021 | Ranking of Kings (TV Series) · as Key Animation |
| 2021 | Takt op.Destiny (TV Series) · as Key Animation |
| 2021 | Mobile Suit Gundam: Hathaway · as Animation Director |
| 2021 | Evangelion: 3.0+1.01 Thrice Upon a Time · as Animation Director |
| 2019 | Boogiepop and Others (TV Series) · as Opening/ending Animation |
| 2018 | Mobile Suit Gundam: NT - Narrative · as Character Designer |
| 2018 | DARLING in the FRANXX (TV Series) · as Key Animation |
| 2017 | Sword Art Online the Movie: Ordinal Scale · as Animation Director |
| 2017 | Genocidal Organ · as Key Animation |
| 2015 | One-Punch Man (TV Series) · as Key Animation |
| 2014 | Japan Animator Expo (TV Series) · as Key Animation |
| 2014 | Captain Earth (TV Series) · as Key Animation |
| 2014 | Space Dandy (TV Series) · as Key Animation |
| 2011 | Fullmetal Alchemist: The Sacred Star of Milos · as Key Animation |
| 2011 | X-Men (TV Series) · as Key Animation |
| 2010 | STAR DRIVER: Takuto of the Radiance (TV Series) · as Key Animation |
| 2010 | Mobile Suit Gundam 00: A Wakening of the Trailblazer · as Key Animation |
| 2007 | Sgt. Frog Movie 2: The Deap Sea Princess · as Key Animation |
| 2006 | Code Geass: Lelouch of the Rebellion (TV Series) · as Key Animation |
| 2005 | Gintama (TV Series) · as Key Animation |
| 2005 | Eureka Seven (TV Series) · as Key Animation |