| Title | Format | Country | Volumes | State |
|---|---|---|---|---|
| Übel Blatt | Manga | France | 24 | Completed |
| Ugly Princess | Manga | France | 7 | Completed |
| Ultra Maniac | Manga | France | 5 | Completed |
| Un Carré de Ciel Bleu | Manga | France | 4 | Completed |
| Un Coin de Ciel Bleu | Manga | France | 3 | Completed |
| Un monde transformé | Manga | France | 3 | Ongoing |
| Underwater ~Le Village immergé~ | Manga | France | 2 | Completed |
| The Unwanted Undead Adventurer | Manga | France | 8 | Ongoing |
| UQ Holder! | Manga | France | 24 | Ongoing |
| Urusei Yatsura - Lamu | Manga | France | 18 | Completed |
| Ushijima, l'usurier de l'ombre | Manga | France | 41 | Ongoing |
| Uzaki-chan Wants to Hang Out! | Manga | France | 4 | Ongoing |