| Title | Format | Country | Volumes | State |
|---|---|---|---|---|
| Le Cadavre et le Sofa | Franco-Belgian comics | France | 1 | Completed |
| Cage of Eden | Manga | France | 21 | Completed |
| Catacombes | Global manga | France | 4 | Completed |
| Celui qui Hantait les Ténèbres ~Les chefs d’œuvre de Lovecraft~ | Manga | France | 1 | Completed |
| Ces jours qui disparaissent | Franco-Belgian comics | France | 1 | Completed |
| Chiisana Mori no Ōkami-chanちいさな森のオオカミちゃん | Manga | Japan | 2 | Completed |
| Chrno Crusade | Manga | France | 8 | Completed |
| CHRNO CRUSADEクロノクルセイド | Manga | Japan | 8 | Completed |
| La Couleur Tombée du Ciel ~Les chefs d’œuvre de Lovecraft~ | Manga | France | 1 | Completed |
| Cthulhu no Yobikoe ~Lovecraft kessaku-shū~クトゥルフの呼び声～ラヴクラフト傑作集～ | Manga | Japan | 1 | Completed |