Artistkoutaro15

[Tsukuru no Mori Kabushikigaisha (Various)] Backstage

[Tsukuru no Mori Kabushikigaisha (Various)] Cute Tail

[Anthology] Naru Hina Plus 4 (Various) [Chinese]

(C68) [Pokopii (Poyoyon Rock)] Sukumizu Pettanchu! in SUMMER

(C92) [Nijiiro Zakura (Koutaro)] Girls High!

Oppaidou FINAL

(C78) [Nijiiro Zakura (Koutaro)] Nijiiro Collection Vol.6: Nijiiro Life (Various)

(C82) [Nijiiro Zakura (Koutaro)] mini niji

[Koutaro] Tropical KISS Visual Fan Book - Koutaro Art Works

TROPICAL KISS VISUAL BOOK - Torokisu

(C80) [Nijiiro Zakura (Koutaro)] Punipuni Summer -book collection vol.08-

(C78) [Nijiiro Zakura (Koutaro)] Nijiiro Life (Various)

(C77) [Nijiiro Zakura (Koutaro)] Nijiiro Densho (Various)

(C74) [Nijiiro Zakura (Koutaro)] Musume Biyori BOOK COLLECTION VOL.4

(C69) [Nijiiro Zakura (Koutaro)] Nijiiro-Collection Vol. 1