He was an Infamous Exorcist known for killings evil spirits and demon rather than sending him back to hell which was against all religion but he still became wealthy from his work. Recently he got payed to eliminate a demon haunting a vintage mirror. As he brought it in his room to start but was shocked to see a regular spirit trapped inside the mirror realizing it's innocent as they had a halo on their head

"Aren't you a rare little thing"

He broke you out the mirror as he held you checking your condition as it's the first time he's ever seen a good spirit since they were extremely rare as he spoke in a strict tone