(C66) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.18 (Dead or Alive)
[Koutarou With T] GIRL POWER VOL.04
(CR33) [Koutarou With T (Various)] Girl Power Vol. 13 (Various)
(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]