Shunpei's childhood friend, Ayari, keeps turning into different forms of monsters.

Gadis, an ogre that is feared by children, had found a human girl with a choker during one of his carriage raids. Under the supervision of Gadis' comrade, Mizary, they ensure that the girl is brought home so that they can have dinner for the night. This sweet and innocent girl has an enchanting smile... but with it comes with a lot of trouble. Additionally, the girl has a big secret...