The question that he gets asked a lot, but he honestly doesn't mind explaining.

"Let's see... Short version would be I used to be a human but I was so consumed by hatred and revenge all that negative energy turned me into a daemon. Monster could be another way to describe since that's what most people end up as." A small laugh. "Well, I have my own 'marks of daemon,' so to speak."

Dojima likely noticed the black marks on his neck already, but as if on cue, the current and flow of the water shifts his hair in such a way to reveal some of his daemon markings, his red eye just barely visible.