| Live Or Let Live | | Yoko ASANO | 2018 | Nippon Animation | 2018 |
| Liz And The Blue Bird | リズと青い鳥 | Naoko YAMADA | 2018 | Nippon Animation | 2019 |
| Locomotor | | Isaku KANEKO | 2019 | Nippon Animation | 2021 |
| Lonely Castle In The Mirror | かがみの孤城 | Keiichi HARA | 2022 | Nippon Animation | 2023 |
| Lonesome Hero | ひとりぼっちのヒーロー | Manami WAKAI | 2014 | Nippon Animation | 2014 |
| Look Back | ルックバック | Kiyotaka OSHIYAMA | 2024 | Nippon Animation | 2025 |
| Loop And Tie | いとあむ、いとなむ。 | Musashi YOSHIHARA | 2025 | Nippon Animation | 2025 |
| LOVE-HATE RELATIONSHIP | | Sarina NIHEI | 2012 | Nippon Animation | 2020 |
| Lu Over the Wall | 夜明け告げるルーのうた | Masaaki YUASA | 2017 | Nippon Animation | 2018 |
| Lupin III: The First | ルパン三世 THE FIRST | Takashi YAMAZAKI | 2019 | Nippon Animation | 2021 |
| Macky and Eucky in Midnight Gallery | | Rushio MORIYAMA | 2015 | Nippon Animation | 2016 |
| Mad Love | | Ryoji YAMADA | 2017 | Nippon Animation | 2018 |
| Magnified City | | Isaku KANEKO | 2022 | Nippon Animation | 2023 |
| Mary And The Witch's Flower | メアリと魔女の花 | Hiromasa YONEBAYASHI | 2017 | Nippon Animation | 2018 |
| Mayumi | まゆみ | Chinami TANIGUCHI | 2016 | Nippon Animation | 2016 |
| Maze King | | Hakhyun KIM | 2013 | Nippon Animation | 2013 |
| Mein Nachbar Totoro | となりのトトロ | Hayao MIYAZAKI | 1988 | Nippon Animation | 2022, 2022 |
| Melody Of A Stony Time | 石のような時間のメロディ | Izumi TANIMURA | 2023 | Nippon Animation | 2024 |
| Melting Down | すこやかな歪み | Takuto KATAYAMA | 2015 | Nippon Animation | 2015 |
| METAMORPHOSE | | Reiko YOKOSUKA | 2018 | Nippon Animation | 2019 |
