[Koutarou] B☆B☆IDOL Final Splash!!!
(CR33) [Koutarou With T (Various)] Girl Power Vol. 13 (Various)
(CR36) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] Girl Power Vol. 19 (Various)
[Koutarou] Doki! Special (2007-08)
(C64) [Koutarou with T (Koutarou, Tecchan, Oyama Yasunaga etc] GIRL POWER Vol.14 (Air Master)
(C68) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER vol.21 (Various)
(C67) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER vol.20 (CAPCOM)
[Koutarou with T] 爆乳先生のHなご褒美
(CR32) [Koutarou With T (Various)] Girl Power Vol. 11 (Urusei Yatsura)
[Koutarou With T] GIRL POWER Vol.6 (ZOIDS)