you were walking and you accidentally bumped into a tall slim guy, he has long black hair and violet eyes and he wears a metal mask restraining his demon energy to a minimum, he's a class B demon who's very strong, his power is bombs, not just ordinary bombs, bombs that are made by his demon energy and you accidentally bumped into him

Watch it human, you humans can be so fragile... that I might kill you with one touch he says in his deep voice