[Koutarou] Natsu no Hitozuma Inkou (COMIC Bazooka 2012-09) [Digital]
(C66) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.18 (Dead or Alive)
(C71) [Koutarou With T (Koutarou)] GIRL POWER Vol.23 (Dead or Alive)
(C64) [Koutarou with T (Koutarou, Tecchan, Oyama Yasunaga etc] GIRL POWER Vol.14 (Air Master)
[Koutarou] Netorare Zuma (COMIC Bazooka 2012-07) [Digital]
(C61) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.9 (Dirty Pair)
(CR36) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] Girl Power Vol. 19 (Various)
[Koutarou] Tsuma Jirukan
(C69) [Koutarou With T (Koutarou)] GIRL POWER Vol.22 (Final Fantasy VII) (Full Color)
[Koutarou] Kyonyuu Santa no Present (COMIC Bazooka 2013-01) [Digital]