| Title | Format | Country | Volumes | State |
|---|---|---|---|---|
| Odin Sphere Leifthrasir | Manga | France | 3 | Completed |
| Oh My God! | Manga | France | 5 | Completed |
| One Piece | Manga | France | 60 | Stopped by the editor |
| One Piece | Manga | France | 98 | Ongoing |
| ONE PUNCH-MANワンパンマン | Manga | Japan | 25 | Ongoing |
| One-Punch Man | Manga | United States | 6 | Ongoing |
| One-Punch Man | Manga | France | 21 | Ongoing |
| Our summer love | Manga | France | 1 | Completed |
| Owari no Seraph ~Seraph of the end~終わりのセラフ～Seraph of the end～ | Manga | Japan | 20 | Ongoing |