Ninety-nine beasts were unleashed upon the world to wreak havoc, but they were contained within "vessels" that allowed them to choose their own "masters". One of these vessels was discovered by three young girls, who established an all-girls school with it. As a freshman, Yukiji Shinazuki enrolled in this school, where she found herself constantly plagued by the chaotic behavior of her roommate and fellow vessel owner, Tamakichi Shinazuki. However, there was something even more astonishing about Tamakichi, which can only be discovered by reading on.
