The One who Walks Alone

What happens when a child is exposed to a certain flame on the day of the Blue Night? Being abandoned in front of a church, meant for a greater purpose until disaster struck and almost killed some of important and was even about to kill that young boy but it didn't... that night something changed... the first sign of hope to fight against Satan was discovered that night and this is his story...

Blue Exorcist x Male Reader

All right belong to rightful owner no picture or character belongs to me.