(C68) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER vol.21 (Various)
[Koutarou With T (Koutarou)] Girl Power Vol 4 (Dead or Alive, Giant Robo)
(C61) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.9 (Dirty Pair)
(C67) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER vol.20 (CAPCOM)
[Koutarou With T] GIRL POWER Vol.8 (Various)
(C51) [Wonderful One (Koutarou)] Four Sticks+ (various)
[Koutarou] Poolside Ecstasy [Namaiki 2007-05]
[Koutarou With T] GIRL POWER Vol.6 (ZOIDS)
(C57) [Q-bit (Koutarou, Q-10)] Q-bit vol.4: My Name is Fujiko (Lupin III)
[Koutarou With T] GIRL POWER 14 (Air Master)
[Koutarou] Kyonyuu Santa no Present (COMIC Bazooka 2013-01) [Digital]
[Koutarou With T] GIRL POWER VOL.03