[Ootsuka Kotora] Lespedeza (COMIC Megastore 2011-05) [Chinese](2)
- Relation manga
- [Kouchaya (Ootsuka Kotora)] HEAVEN'S DRIVE 5 (Fate/Grand Order)
- [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)] LOVE REPLICA Soushuuhen (Ore no Imouto ga Konna ni Kawaii Wake ga Nai) [English] [CrowKarasu] [Digital] [Incomplete]
- [Kouchaya (Ootsuka Kotora)] GERBERA (DARLING in the FRANXX) [English] [Lonely Hikikomori] [Digital]
- (SC51) [Kouchaya (Ootsuka Kotora)] TELL ME (Denpa Onna to Seishun Otoko) [English] [amailittlething] [Decensored]
- [Kouchaya (Ootsuka Kotora)] HEAVEN'S DRIVE (Fate/Grand Order) [Digital]
- [Kouchaya (Ootsuka Kotora)] Kaichou wa Oboetenai! (Kaguya-sama wa Kokurasetai) [Digital]