[Kai Hiroyuki] Tomo Haha [Chinese](7)
- Relation manga
- [Kai Hiroyuki] Yokubou Mansai [Chinese]
- [Kai Hiroyuki] Hannari Otona Kyouiku - Mother's Sex Lesson | 風雅華麗大人教育 [Chinese]
- COMIC HOTMiLK Koime Vol. 12 [Digital]
- [Kai Hiroyuki] Tomo Haha | Friend's Mother (Tomo Haha) [English] [biribiri] [Colorized]
- [Kai Hiroyuki] Ane Haha Kankei [Chinese]
- [Kai Hiroyuki] Ashita wa Juken! | Exam is Tomorrow! (Kyonyuu Eromangaka-san to no Pakohame Shiryouzukuri wa Taihen desu!) [English] [Amoskandy]
- COMIC Penguin Club Sanzokuban 2019-05 [Digital]
- [Kai Hiroyuki] Work & Sex | 上班工作&激情性愛 [Chinese]