A Cursed Human Roaming With Youkai's

Meet Y/n Okkotsu, after watching his childhood friend get her head crushed by a car and cursing her he ran away from his hometown, while on the run he saw some people getting ganged upon. He managed to save them but passed out from exhaustion. When we woke up, he was adopted by the person he saved, Yasaka, the leader of the west youkai faction. After staying with them till 17, Yasaka decided to enroll him at Kuoh Academy.