The majority of people can't see the weird, supernatural beings known as ayakashi. While the majority of ayakashi are benign, some assault people in order to consume their life power. Protecting humans from these vengeful ghosts is the responsibility of exorcist ninjas. 

Young exorcist ninja Matsuri Kazamaki was born into a renowned clan. Suzu Kanade, a friend from their youth, is an ayakashi medium—someone with a powerful aura who draws ayakashi. All ayakashi are viewed as dangerous by Matsuri, who wishes

Ayakashi Triangle