[Koutarou] Oppai ga sekai o sukuu!？ go touchi aidorudota pu～n Z 1-7

[Koutarou] B.B. Idol (Comic Purumelo 2008-10) [English]

[Koutarou] Mama Cos. (Color, English) (Original) {doujin-moe.us}

[Koutarou] Ritsuko-Sensei no Kojin Jugyou | Big Breasts Teacher, Children's Virginity Hunting Expert. (COMIC Bazooka 2011-12) [English]

[Koutarou] B☆B☆IDOL [English] [Fated Circle + Doujin-Moe.us]

[Koutarou] B☆B☆IDOL expansion!! [English] {doujin-moe.us}