[Kai Hiroyuki] Ane Haha Kankei [Chinese](5)
- Relation manga
- [Kai Hiroyuki] Tomo Haha | Friend's Mother (Tomo Haha) [English] [biribiri] [Colorized]
- COMIC Penguin Club Sanzokuban 2019-05 [Digital]
- [Kai Hiroyuki] Ashita wa Juken! | Exam is Tomorrow! (Kyonyuu Eromangaka-san to no Pakohame Shiryouzukuri wa Taihen desu!) [English] [Amoskandy]
- [Kai Hiroyuki] Hannari Otona Kyouiku - Mother's Sex Lesson | 風雅華麗大人教育 [Chinese]
- COMIC HOTMiLK Koime Vol. 17 [Digital]
- COMIC HOTMiLK Koime Vol. 18 [Digital]
- [Kai Hiroyuki] Boshi Katei | Mother and Son Forbidden Relations (Hannari Otona Kyouiku) [English][Amoskandy]
- [Kai Hiroyuki] Ochizuma [Digital]