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

(C68) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER vol.21 (Various)

[Koutarou] BIRTH

[OHKOSHI Koutarou] Moon-Eating Insects [English] [Fumikiri] (Ch. 1-8 of 9)

[Koutarou] B☆B☆IDOL expansion!!

[Koutarou With T (Koutarou)] Girl Power Vol 4 (Dead or Alive, Giant Robo)

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

[OHKOSHI Koutarou] Moon-Eating Insects [English] [Fumikiri] (Ch. 1-7 of 9)

[Ohkoshi Kotaro] Tsuki Kurau Mushi | Moon-Eating Insects [English] [Fumikiri]

[Koutarou] Poolside Ecstasy (Namaiki! 2007-05)