Yayoi, the 8th generation of Suzuka, has a spirit power. One day, she meets Ura, a demon who wants to take her power. After a deadly battle, yayoi succeed binding Ura and turn him into a cat, a fussy cat! Ura lives with her after that.
But, he’s not the only one who after the power. There are a lot of demons dreaming to be more powerful and becoming the king of demon.
Soon, the feeling grows between them and unconsciously Ura always try to save yayoi from all demons.