(C54) [Henrei-kai] Henrei-kai '98 Natsu SPECIAL (various)
(C51) [Henrei-kai (Various)] Hen Rei Kai Special Vol. 11 (Various)
[Kai Hiroyuki] Hannari Otona Kyouiku - Mother's Sex Lesson
[Kai Hiroyuki] Hannari Otona Kyouiku - Mother's Sex Lesson | 風雅華麗大人教育 [Chinese]
[Kai Hiroyuki] Hannari Miboujin | Elegant Widow (Hannari Otona Kyouiku)[English][Amoskandy]
(C59) [Henrei-kai (Karashima Hiroyuki , Kawarajima Koh)] Kawarajima Works Division 2001 (Various )
[Henrei-kai (various)] Hen Rei Kai Special Vol.4 (various)
[Kai Hiroyuki] WHaha to Ore no Kazoku Seikatsu | My Family Life with My Two Mothers (Hannari Otona Kyouiku) [English][Amoskandy]
[Kai Hiroyuki] Yokubou Mansai [Chinese]
[Kai Hiroyuki] Boshi Katei | Mother and Son Forbidden Relations (Hannari Otona Kyouiku) [English][Amoskandy]