[Kouchaya (Ootsuka Kotora)] Hutago to Maou [Digital](3)
- Relation manga
- [Kouchaya (Ootsuka Kotora)] HEAVEN'S DRIVE 5 (Fate/Grand Order) [Chinese] [空気系☆漢化]
- [Kouchaya (Ootsuka Kotora)] HEAVEN'S DRIVE (Fate/Grand Order) [Digital]
- [Kouchaya (Ootsuka Kotora)] Hutago to Maou [Digital]
- [Kouchaya (Ohtsuka Kotora)] BLACK DIAMOND 2 (Gundam 00) [Chinese] [灰羽社汉化组]
- [Kouchaya (Ootsuka Kotora)] HEAVEN'S DRIVE 2 (Fate/Grand Order) [Digital]
- [Kouchaya (Ootsuka Kotora)] LOVE REPLICA Soushuuhen (Ore no Imouto ga Konna ni Kawaii Wake ga Nai) [English] [CrowKarasu] [Digital] [Incomplete]
- [Ootsuka Kotora] Lespedeza (COMIC Megastore 2011-05) [Chinese]
- [Kouchaya (Ootsuka Kotora)] Futago to Maou (Maou Gakuin no Futekigousha: Shijou Saikyou no Maou no Shiso, Tensei shite Shison-tachi no Gakkou e Kayou) [Digital][oo君個人漢化]