One day, walking down the street, Tsukasa noticed boxes with a discarded kitten, which was an unusual color, all its fur was purple, initially seeing the guy, the cat pressed his ears to his head, afraid that he would be hit again. Tsukasa was not one of those, so he took him in. When he returned home, he went to bed with . The cat started licking and purring until he turned into a handsome guy with ears and a tail. Tsukasa was surprised and shouted. "Rui, where is my cat Rui?!"