Manabu Nii Filmography
| 2025 | There's No Freaking Way I'll Be Your Lover! Unless… ~Next Shine~ · as Supervising Animation Director |
| 2025 | There's No Freaking Way I'll Be Your Lover! Unless... (TV Series) · as Supervising Animation Director |
| 2024 | Blue Box (TV Series) · as Supervising Animation Director |
| 2024 | Makeine: Too Many Losing Heroines! (TV Series) · as Animation Director |
| 2024 | Days With My Stepsister (TV Series) · as Supervising Animation Director |
| 2022 | Akiba Maid War (TV Series) · as Supervising Animation Director |
| 2022 | Kakegurui Twin (2022) (TV Series) · as Character Designer |
| 2022 | Mobile Suit Gundam: The Witch from Mercury (TV Series) · as Key Animation |
| 2020 | The Day I Became a God (TV Series) · as Supervising Animation Director |
| 2019 | Carole & Tuesday (TV Series) · as Animation Director |
| 2018 | Bloom Into You (TV Series) · as Key Animation |
| 2018 | Zombie Land Saga (TV Series) · as Animation Director |
| 2018 | Tada Never Falls in Love (TV Series) · as Key Animation |
| 2018 | Umamusume: Pretty Derby (TV Series) · as Supervising Animation Director |
| 2018 | HUGtto! Precure (TV Series) · as Animation Director |
| 2017 | Fireworks · as Key Animation |
| 2017 | Hina Logic - from Luck & Logic (TV Series) · as Character Designer |
| 2016 | New Game! (TV Series) · as Animation Director |
| 2016 | Bakuon!! (TV Series) · as Animation Director |
| 2016 | Grimgar of Fantasy and Ash (TV Series) · as Key Animation |
| 2015 | GARAKOWA - Restore the World · as Costume Designer |
| 2015 | GARAKOWA - Restore the World · as Key Animation |
| 2014 | Your Lie in April (TV Series) · as Key Animation |
| 2014 | The Seven Deadly Sins (TV Series) · as Animation Director |
| 2014 | Sabagebu! - Survival Game Club! - (TV Series) · as Animation Director |
| 2014 | Nanana's Buried Treasure (TV Series) · as Key Animation |
| 2013 | |
| 2013 | Gatchaman Crowds (TV Series) · as Key Animation |
| 2013 | Karneval (TV Series) · as Animation Director |
| 2013 | Doraemon: Nobita's Secret Gadget Museum · as Key Animation |
| 2013 | DokiDoki! Precure (TV Series) · as Animation Director |
| 2012 | Blue Exorcist: The Movie · as Key Animation |
| 2012 | Tari Tari (TV Series) · as Key Animation |
| 2012 | Tsuritama (TV Series) · as Key Animation |
| 2012 | Smile Precure! (TV Series) · as Animation Director |
| 2011 | Mashiroiro Symphony: The Color Of Lovers (TV Series) · as Key Animation |
| 2010 | The World God Only Knows (TV Series) · as Animation Director |
| 2010 | The Legend of the Legendary Heroes (TV Series) · as Animation Director |
| 2010 | Book Girl · as Key Animation |
| 2010 | Omamori Himari (TV Series) · as Animation Director |
| 2009 | Chrome Shelled Regios (TV Series) · as Animation Director |
| 2008 | Black Butler (TV Series) · as Animation Director |
| 2008 | Our Home's Fox Deity (TV Series) · as Animation Director |
| 2007 | Blue Dragon (TV Series) · as Key Animation |
| 2006 | Kenichi: The Mightiest Disciple (TV Series) · as Key Animation |
| 2006 | Naruto the Movie 3: Guardians of the Crescent Moon Kingdom · as Animation |
| 2005 | Aria (TV Series) · as Key Animation |
| 2000 | Saiyuki (TV Series) · as Key Animation |