(C66) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.18 (Dead or Alive)
[OHKOSHI Koutarou] Figuisch [English] [Fumikiri]
(C68) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER vol.21 (Various)
[Koutarou with T] Mama Cos.[Play01-02-03-04-Final Play]
[Koutarou] Ritsuko-Sensei no Kojin Jugyou | Big Breasts Teacher, Children's Virginity Hunting Expert. (COMIC Bazooka 2011-12) [English]
[Koutarou] Mega Boing Wife ~Super Tits Wife Freaks~
[Koutarou] BIRTH
(CR32) [Koutarou With T (Various)] Girl Power Vol. 11 (Urusei Yatsura)
[Koutarou] B.B Idol [ENG]
(C64) [Koutarou with T (Koutarou, Tecchan, Oyama Yasunaga etc] GIRL POWER Vol.14 (Air Master)