(C77) [Nijiiro Zakura (Koutaro)] Nijiiro Densho (Various)
(Shuuki Reitaisai 4) [Nijiiro Denryuu (Nijiden)] Shinki Mama to Shota (Touhou Project)
(C80) [Nijiiro Zakura (Koutaro)] Punipuni Summer -book collection vol.08-
(C78) [Nijiiro Zakura (Koutaro)] Nijiiro Life (Various)
(C74) [Nijiiro Zakura (Koutaro)] Musume Biyori BOOK COLLECTION VOL.4
(Shuuki Reitaisai 15) [Nijiiro Denryuu (Nijiden)] Seija Onee-chan wa Yasashikunai (Touhou Project)
(C92) [Nijiiro Zakura (Koutaro)] Girls High!
(C78) [Nijiiro Zakura (Koutaro)] Nijiiro Collection Vol.6: Nijiiro Life (Various)
(C61) [Koutarou With T (Koutarou, Oyama Yasunaga, Tecchan)] GIRL POWER Vol.9 (Dirty Pair)
(C69) [Nijiiro Zakura (Koutaro)] Nijiiro-Collection Vol. 1