| Hollow Mind | 粃 | Yagi | 2015 | Nippon Animation | 2015 |
| Holy Shit! | | Takashi SHIBUYA | 2015 | Nippon Animation | 2015 |
| Home Alone | るすばん | Nozomi NAGASAKI | 1996 | Nippon Animation | 2016 |
| How Low Sympathy | | Decovocal | 2014 | Nippon Animation | 2018 |
| Hunter | | Ryoji YAMADA | 2017 | Nippon Animation | 2019 |
| I | | Chih-Chen HSU | 2024 | Nippon Animation | 2025 |
| I Am A Motif | | Sijia LUO | 2020 | Nippon Animation | 2021 |
| I Think You're A Little Confused | | Iku OGAWA | 2016 | Nippon Animation | 2016 |
| I Wanted To Be Wanted. | | higoAKARI | 2022 | Nippon Animation | 2022, 2022 |
| I'm Here | | Yukie NAKAUCHI | 2015 | Nippon Animation | 2015 |
| I've Got To Take The Laundry In | | Naoya SANUKI | 2016 | Nippon Animation | 2018 |
| Iizuna Fair | | Sumito SAKAKIBARA | 2021 | Nippon Animation | 2022 |
| Imamura Store | | Aya TSUGEHATA | 2011 | Nippon Animation | 2013 |
| In Inertia | 愚図の底 | Takuto KATAYAMA | 2016 | Nippon Animation | 2016 |
| In The Big Yard Inside The Teeny-Weeny Pocket | ミニミニポッケの大きな庭で | Yoko YUKI | 2022 | Nippon Animation | 2023 |
| In This Corner (And Other Corners) Of The World | この世界の(さらにいくつもの）片隅に | Sunao KATABUCHI | 2019 | Nippon Animation | 2025 |
| In This Corner Of The World | この世界の片隅に | Sunao KATABUCHI | 2016 | Nippon Animation | 2017 |
| Indoor Days | | Asaki NISHINO | 2019 | Nippon Animation | 2019 |
| Interstitial | | Shunsaku HAYASHI | 2017 | Nippon Animation | 2018 |
| Into A Landscape | | Chihiro YAMANAKA | 2023 | Nippon Animation | 2024 |
