[Hakoniwa-Kairou (Nishiyama Yuichi)] Sweet Lollipop Devil (THE IDOLM@STER CINDERELLA GIRLS) [2018-01-10]
(COMIC1☆13) [Hakoniwa-Kairou (Nishiyama Yuichi)] Sweet Lollipop Devil Sono Ni (THE IDOLM@STER CINDERELLA GIRLS)
(Shooting Girls 3rd) [Hakoniwa-Kairou (Nishiyama Yuichi)] Helma-chan wa Shishunki! (World Witches)
Helma-chan is an Adolescent