[Ishigami Kazui] Love Love Show
Kozukuri Shimasho!
μ's no H na Fan Kanshasai・Elichika Hen
[Ishigami Kazui] Seito Kaichou wa Ero Mangaka (COMIC Penguin Club Sanzokuban 2010-09)
(SC63) [RED CROWN (Ishigami Kazui)] Sonico To Ecchi na Tokkun (Super Sonico)
[Ishigami Kazui (RED CROWN)] Sensei tteba Maji Tenshi! (COMIC Penguin Club Sanzokuban 2012-01)
[RED CROWN (Ishigami Kazui)] Imouto Succubus wa H ni Hamattari Shinain Dakara ne [Chinese] [空気系☆漢化] [Digital]
Six Paths of Wealth
[Ishigami Kazui] Himitsu no Kankei - Secret Relation
(C85) [RED CROWN (Ishigami Kazui)] Cecilia Usagi wa Hatsujou Chuu (IS <Infinite Stratos>) [English] [Rapid Switch]
(C88) [RED CROWN (Ishigami Kazui)] μ's no H na Fan Kanshasai - Erichika Hen (Love Live!)
[Ishigami Kazui (RED CROWN)] Tosho Iinchou no Shitsumon (COMIC Penguin Club Sanzokuban 2010-07)
[Ishigami Kazui] Itsu Sex Suru no, Ima Desho!
[Ishigami Kazui] The Best Time for Sex is Now Ch. 1-2 [English] {Tadanohito}
[Ishigami Kazui (RED CROWN)] Natsu to Test to Osananajimi (COMIC Penguin Club Sanzokuban 2010-08)
Lewd Training with Sonico