Ruru Shiranui, a tsundere beautiful girl who is Kamu's cosplay friend and is active as a super famous cosplayer Lulu. Shijo-kun, who came to her photo session. When asked by Ryūka, "Why did you come to the photo session?" Knowing that she wasn't the target, Ryūka begins to play naughty pranks on Shijo in a fit of frustration.
