Group yakouyousei

(C66) [Sansuisha, Yakouyousei (Various)] Manga Science IV (Various)

(C58) [Yakouyousei, Sansuisha (Mizuki Yuu, Yonemaru)] Otou-san ni Iitsukechaundakara -Tanoshii Koto Sagashite 2- (Uchuu Kazoku Carlvinson)

(C67) [Yakouyousei (Various)] Manga Science 5 (Various)

(C60) [Yakouyousei (Various)] Manga Science Onna no ko no Himitsu (Manga Science)