”Why do I change into such an appearance...?"
Shuichi Kagaya is a boy with a troublesome ability "to turn himself into a stuffed doll."The encounter with Kurea, a mysterious girl who was lured by his ability, and the changes occurring around him, destroy Shuichi's ordinary life. "Bakemono" (monsters) continue to attack Shuichi with the same ability as him.
To look for the "coin" which can cause a catastrophe, Shuichi and Kurea become involved in the competition between Bakemonos, and explore their fate together...!