Nine lives might not be enough to survive this catfight! At Matabi Academy, students are allowed to bring their pet cats to the dorms. For Yumi Hayakawa, whose favorite hobby is making clothes for her kitty Kansuke, Matabi seems like a sure bet. After all, nothing can possibly go wrong with her best friend at her side! But on the first day of school, the two find themselves face-to-face with a murderous demonic minion on campus! Will Yumi and Kansuke be able to defend themselves and their school against an ancient cat demon's thirst for vengeance?