Ketsuki Douji a high school student is about to get confessed to by his crush but suddenly she attacks him. He is saved by Emi who is his classmate. She explains to him about certain powers that arise in a few people for reasons that are not clear. The powers are related to that of the thing the person fears the most . It is either the power to control the fear or it is the power against it. Ketsuki joins up with more allies and they try to find out a way to avoid more victims becoming like them.