| Title | Format | Country | Volumes | State |
|---|---|---|---|---|
| Kamichama Karin chu | Manga | France | 7 | Completed |
| Kamichu! ~Kamisama de Chugakusei!~かみちゅ！～Kamisama de Chugakusei!～ | Manga | Japan | 2 | Completed |
| Kämpferけんぷファー | Manga | Japan | 10 | Completed |
| Kannagi ~Crazy Shrine Maidens~かんなぎ～Crazy Shrine Maidens～ | Manga | Japan | 12 | Completed |
| Kanojo ga Flag wo Oraretara彼女がフラグをおられたら | Light novel | Japan | 16 | Completed |
| Kanojo ga Flag wo Oraretara彼女がフラグをおられたら | Manga | Japan | 10 | Completed |
| Kanojo mo Kanojoカノジョも彼女 | Manga | Japan | 9 | Ongoing |
| Karakai Jōsu no Takagi-sanからかい上手の高木さん | Manga | Japan | 17 | Ongoing |
| Karin to. ~with Karin~かりんと。～with Karin～ | Manga | Japan | 7 | Completed |
| KA・SI・MA・SI ~Girl Meets Girl~かしまし 〜ガール・ミーツ・ガール〜 | Manga | Japan | 5 | Completed |
| Kengai Princess圏外プリンセス | Manga | Japan | 7 | Completed |
| Kimi no Na wa.君の名は。 | Novel | Japan | 1 | Completed |
| kiss×sis | Manga | Japan | 25 | Ongoing |
| Kodomo no Jikanこどものじかん | Manga | Japan | 13 | Completed |
| Kodomo no Jikan ~Hōkago~こどものじかん～ほうかご～ | Manga | Japan | 1 | Completed |
| Koi-suru Bukimi-chan恋するブキミちゃん | Manga | Japan | 1 | Completed |
| Komi cherche ses mots | Manga | France | 9 | Ongoing |
| Kore wa Zombie desu ka?これはゾンビですか? | Manga | Japan | 8 | Completed |
| Kore wa Zombie desu ka? ~Hai, anata no Yome desu.~これはゾンビですか?～はい、アナタの嫁です。～ | Manga | Japan | 5 | Completed |
|
Kotoura-san |
Manga | Japan | 7 | Completed |
| Kurage-hime海月姫 | Manga | Japan | 17 | Completed |
| Kyōkai no nai Sekai境界のないセカイ | Manga | Japan | 3 | Completed |
| L♥DK | Manga | France | 24 | Completed |
| L♥DK | Manga | Japan | 24 | Completed |
| Le collège fou, fou, fou ! Flash! Kimengumi | Manga | France | 3 | Completed |
| Lily la menteuse | Manga | France | 18 | Completed |
| Little Monsters | Manga | France | 6 | Completed |
| Love Hina | Manga | France | 14 | Completed |
| Love Hina | Manga | France | 14 | Completed |
| Love Hinaラブひな | Manga | Japan | 7 | Completed |
| Love Hinaラブひな | Manga | Japan | 5 | Ongoing |
| Love Lab恋愛ラボ | Manga | Japan | 16 | Ongoing |
| Lo♥e Mission | Manga | France | 19 | Ongoing |
| LOVE RironLOVE理論 | Manga | Japan | 5 | Ongoing |
| Lovely★Complex | Manga | France | 17 | Completed |
| Mademoiselle se marie | Manga | France | 18 | Completed |
| Mahorabaまほらば | Manga | Japan | 12 | Completed |
| Mahorabaまほらば | Fanbook | Japan | 2 | Completed |
| Mahoromatic ~Automatic Maiden~ | Manga | France | 8 | Completed |
| Mahoromatic ~Automatic Maiden~まほろまてぃっく～Automatic Maiden～ | Manga | Japan | 8 | Completed |
| Mai Ball! ~feminine football team~ | Manga | France | 13 | Ongoing |
| Mai Ball!マイぼーる! | Manga | Japan | 16 | Completed |
| Maid Sama! | Manga | France | 18 | Completed |
| Mairunovich | Manga | France | 12 | Ongoing |
| Majo ga Koi suru 5 Byō Mae魔女が恋する５秒前 | Manga | Japan | 1 | Completed |
| MAKEN-KI!マケン姫っ! | Manga | Japan | 23 | Ongoing |
| Makenki | Manga | France | 8 | Pause |
| Marmalade Boy | Manga | France | 8 | Completed |
| Midori Days | Manga | France | 8 | Completed |
| Mikakunin DE Shinkōkei未確認で進行形 | Manga | Japan | 14 | Ongoing |