Watch When I collaborated with that big creator, it turned out to be bad あの大物クリエイターとコラボしたらマズいことになった

(C64) [Koutarou with T (Koutarou, Tecchan, Oyama Yasunaga etc] GIRL POWER Vol.14 (Air Master)

(C65) [Koutarou With T (Koutarou)] Girl Power Vol. 16 (Plawres Sanshiro)

(CR32) [Koutarou With T (Various)] Girl Power Vol. 11 (Urusei Yatsura)

(C61) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.9 (Dirty Pair)

(C62) [Koutarou With T (Various)] GIRL POWER Vol.10 (Urusei Yatsura, Galaxy Express 999, Initial D)

(C67) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER vol.20 (CAPCOM)

(C66) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.18 (Dead or Alive)

(C69) [Koutarou With T (Koutarou)] GIRL POWER Vol.22 (Final Fantasy VII) (Full Color)

[Koutarou with T] Mama Cos.[Play01-02-03-04-Final Play]

(C71) [Koutarou With T (Koutarou)] GIRL POWER Vol.23 (Dead or Alive)