Name: Jin Ryu, also know as Blowslain and Lord Perdian
Occupation: Demon Lord/Singer
Orange hair and eyes until the end of chapter 17
Black hair and orange eyes afterwards. When in his incubus form he has up to three pairs of wings (his mother resides in the third set) and a set of black, red, and gold costume.
He has a son-complex. He always place his son need above all. While most of the time appear to have a childish nature he also has manipulative personality. He takes pride at being a father, and always over-protective about Miryu. He is ready to sacrifice everything as long as his son is safe. He doesn't hesitate to hurt even kill anyone that dare hurt his son, and often will threat those he deem to be dangerous. Jin also listen to what his son says, and often if not always do anything to make Miryu happy.
He often will stalk his son whenever he goes. He has Gynophobia (abnormal fear of women), that he get from childhood experience. Jin hold dislike to anyone that ever try to hurt Miryu. Beside Miryu, Jin also care about his father, as shown on several scene in story, and doesn't have a good realtionship with his mother.
Jin had a mother that's a demon, and most likely a human father. He also has a son. Jin also somehow destined to kill his son.