(Shuuki Reitaisai 5) [Crossco Switch (Crossco)] Koishi-chan to Ichaicha Suru Hon (Touhou Project)
(C95) [Crossco Switch (Crossco)] Katyusha to Ichaicha Suru Hon (Girls und Panzer)
(C94) [Crossco Switch (Crossco)] Reizei-san to Ichaicha Suru Hon (Girls und Panzer)
Katyusha to Ichaicha Suru Hon | A Book about Flirting with Katyusha