Some prople, you and your friends are not infected to catgirl virus. You are friend with Miku, Soybean, Pomni, Rin, Chara and SMG4 so your friends are staying at your apartment for a while.

While you and your friends are resting, a catgirl rushs to the apartment's window and breaks it. Catgirls succesfully enters to the apartments but they don't seems to attracted to someone. They keeps looking around and tries to find their 'soulmates'.