[Kai Hiroyuki] Love Kachu - Lovers Time Hentai [甲斐ひろゆき] ラブかちゅ

[Tomohiro Kai] Times Works Wonders (Comic Unreal Chounouryoku de Yaritai-Houda Vol. 2) [Chinese] [无毒汉化组] [Digital]

[Kai Hiroyuki] Onegai Ama Mama (COMIC Penguin Club Sanzokuban 2015-02) [English] [Ranzu+Laruffi]

[Kaishaku (Seven Leo)] Famicon Shinken Kaishaku Dai Zensho (Final Fantasy XI)

CHOUKAI LIFE

(C86) [Yukaiya (Yukaiyan)] Watashi no Himitsu (Love Live!)

(C54) [Henrei-kai] Henrei-kai '98 Natsu SPECIAL (various)

Love Kachu - Lovers Time

(C59) [Henrei-kai (Karashima Hiroyuki , Kawarajima Koh)] Kawarajima Works Division 2001 (Various )

(C71) [Sanazura Dojinshi Hakkojo (Sanazura Hiroyuki)] Lala x Haru Love-Troble (ToLOVE-Ru)

[Kai Hiroyuki] Yokubou Mansai [Chinese]