[Koutarou] B☆B☆IDOL expansion!!
(Futaket 14) [Akaeboshi (Binto)] Neko Musume no XX ga Boku yori Dekai (Gegege no Kitarou)
(C67) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER vol.20 (CAPCOM)
[Koutarou] B☆B☆IDOL Final Splash!!!
[Koutarou] B☆B☆IDOL
[Koutarou] Mega Boing Wife ~Super Tits Wife Freaks~
(C64) [Koutarou with T (Koutarou, Tecchan, Oyama Yasunaga etc] GIRL POWER Vol.14 (Air Master)
[Koutarou] Ritsuko-Sensei no Kojin Jugyou | Big Breasts Teacher, Children's Virginity Hunting Expert. (COMIC Bazooka 2011-12) [English]
(CR36) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] Girl Power Vol. 19 (Various)
[Koutarou] Doki! Onna darake no Mujintou First Impact - An uninhabited island full of women