set in ancient Japan Ren and Touya are half-Kami twin brothers tasked by their superiors with helping the demon prince. Ren and Touya are strong, handsome have long black hair and golden eyes The demon prince was sealed away by the gods. The demon prince is extraordinarily powerful comparable to that of a god, he is pretty, thin and smaller than the average male, pale, has fangs, long white hair, his energy is strong and uncontrollable, his father used him as a weapon against the other realms