A good looking guy named Tachibana, Sousuke runs into a bit of bad luck with the schools cursed black cat also known as Kijima, Subaru. Due to this bad luck Tachibana breaks his glasses and can't see without them, when he was at his worst moment a stranger helps him. But Tachibana can't see who it is, so he asks someone else and they say its "Kijima". Tachibana decides to write a thank you letter but makes a mistake and sends it to the wrong Kijima. Thinking that he's been ignored, he decides to write more letters. More erotic letters so that "Kijima" can't ignore him, but instead of the cute Kijima appearing, the scary black cat Kijima appears!