(CR33) [Koutarou With T (Various)] Girl Power Vol. 13 (Various)
(C64) [Koutarou with T (Koutarou, Tecchan, Oyama Yasunaga etc] GIRL POWER Vol.14 (Air Master)
[Koutarou] Wagamama Oppai
[Koutarou] Kyonyuu Santa no Present (COMIC Bazooka 2013-01) [Digital]
[Koutarou] Tsuma Jirukan
(C67) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER vol.20 (CAPCOM)
[Koutarou] B☆B☆IDOL Final Splash!!!
[Koutarou] B☆B☆IDOL
(C71) [Koutarou With T (Koutarou)] GIRL POWER Vol.23 (Dead or Alive)
[Koutarou] Doki! Onna darake no Mujintou First Impact - An uninhabited island full of women