(C66) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.18 (Dead or Alive)
(CR32) [Koutarou With T (Various)] Girl Power Vol. 11 (Urusei Yatsura)
[Koutarou] Ritsuko-Sensei no Kojin Jugyou | Big Breasts Teacher, Children's Virginity Hunting Expert. (COMIC Bazooka 2011-12) [English]
[Koutarou] Doki! Special (2007-08)
(C71) [Koutarou With T (Koutarou)] GIRL POWER Vol.23 (Dead or Alive)
[Koutarou] Kyonyuu Santa no Present (COMIC Bazooka 2013-01) [Digital]
[Koutarou] B☆B☆IDOL Final Splash!!!
[Koutarou] Mega Boing Wife ~Super Tits Wife Freaks~
[Koutarou] B.B Idol [ENG]
[Koutarou With T] GIRL POWER VOL.04