| Title | Format | Country | Volumes | State |
|---|---|---|---|---|
| March comes in like a lion | Manga | France | 12 | Ongoing |
| Le mari de mon frère | Manga | France | 4 | Completed |
| Marion | Manga | France | 2 | Completed |
| Merry Nightmare | Manga | France | 23 | Ongoing |
| Mes petits plats faciles ~by Hana~ | Manga | France | 4 | Ongoing |
| Minimum | Manga | France | 7 | Completed |
| Minimumミニマム | Manga | Japan | 7 | Completed |
| Mirages d'Emanon | Manga | France | 1 | Completed |
| Mizuno et Chayama | Manga | France | 2 | Completed |
| Mokke | Manga | France | 9 | Completed |
| Mon père alcoolique et moi | Manga | France | 1 | Completed |
| Les Montagnes hallucinées ~Les chefs d’œuvre de Lovecraft~ | Manga | France | 2 | Completed |
| Moyashimonもやしもん | Manga | Japan | 13 | Completed |
| Moyasimon ~Il était une fois les microbes~ | Manga | France | 13 | Completed |
| MPD-Psycho ~le détective schizophrène~ | Manga | France | 24 | Completed |
| Mr. Nobody | Manga | France | 3 | Ongoing |
| Murciélago | Manga | France | 15 | Ongoing |
|
MURCIÉLAGO |
Manga | Japan | 18 | Ongoing |
| Murder Incarnation | Manga | France | 2 | Completed |
| Mushishi | Manga | France | 10 | Completed |
| Mythical Beast Investigator | Manga | France | 2 | Ongoing |
| Nana to Kaoruナナとカオル | Manga | Japan | 18 | Ongoing |
| Nanja Monja | Manga | France | 6 | Completed |
| Nankoku Tom Sawyer南国トムソーヤ | Manga | Japan | 3 | Completed |
| Narutaru | Manga | France | 12 | Completed |
| Narutaru | Manga | France | 2 | Stopped by the editor |
| Narutaruなるたる | Manga | Japan | 8 | Completed |
| Neko no Otera no Chion-san猫のお寺の知恩さん | Manga | Japan | 9 | Completed |
| Néo Faust | Manga | France | 1 | Completed |
| Net-jū no Susume ~Recommendation of the Internet Enhancement~ネト充のススメ～Recommendation of the Internet Enhancement～ | Manga | Japan | 2 | Ongoing |
| Nichijô ~Récits du Quotidien~ | Manga | France | 2 | Ongoing |
|
Nichijō |
Manga | Japan | 11 | Ongoing |
| nichijou ~my ordinary life~ | Manga | United States | 9 | Ongoing |
| NO CONTЯOL! | Manga | France | 1 | Completed |
| NOiSE | Manga | France | 1 | Completed |
| Le Nouveau Tom Sawyer | Manga | France | 3 | Completed |
| Nuisible | Manga | France | 3 | Completed |
| Octave | Manga | France | 4 | Ongoing |
| Octaveオクターヴ | Manga | Japan | 6 | Completed |
| Ogehaオゲハ | Manga | Japan | 3 | Completed |
| Ohitori-sama Shussanおひとりさま出産 | Manga | Japan | 2 | Ongoing |
| Ōkami to Kōshinryō狼と香辛料 | Manga | Japan | 16 | Completed |
| Ōkami to Kōshinryō ~Merchant meats spicy wolf.~狼と香辛料～Merchant meats spicy wolf.～ | Light novel | Japan | 24 | Ongoing |
| Old Boy | Manga | France | 4 | Completed |
| Omoide Emanonおもいでエマノン | Manga | Japan | 1 | Completed |
| Onēchan ga Kitaお姉ちゃんが来た | Manga | Japan | 14 | Ongoing |
| Onēsan wa Bushōmonoお姉さんは無精者 | Manga | Japan | 1 | Ongoing |
| Oshi no Ko | Manga | France | 9 | Ongoing |
| Otogi Matsuri | Manga | France | 12 | Completed |
| Otoyomegatari ~The Bride's Stories~乙嫁語り～The Bride's Stories～ | Manga | Japan | 13 | Ongoing |