(C92) [Nijiiro Zakura (Koutaro)] Girls High! Hentai (C92) [にじいろ桜 (こうたろ)] Girls High!

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

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

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

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

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

[Koutarou] Wagamama Oppai

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

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

[藤宮杏子] Tankathlon de Maita Hon (Girls und Panzer: Ribbon no Musha) [Digital]

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