(C64) [Koutarou with T (Koutarou, Tecchan, Oyama Yasunaga etc] GIRL POWER Vol.14 (Air Master)
[Koutarou] B☆B☆IDOL
(C69) [Koutarou With T (Koutarou)] GIRL POWER Vol.22 (Final Fantasy VII) (Full Color)
[Koutarou with T] Mama Cos.[Play01-02-03-04-Final Play]
[Koutarou with T] 爆乳先生のHなご褒美
[Koutarou] B☆B☆IDOL Final Splash!!!
[Koutarou] Ritsuko-Sensei no Kojin Jugyou | Big Breasts Teacher, Children's Virginity Hunting Expert. (COMIC Bazooka 2011-12) [English]
[Koutarou] BIRTH
[OHKOSHI Koutarou] Moon-Eating Insects [English] [Fumikiri] (Ch. 1-7 of 9)
(C68) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER vol.21 (Various)