Akatsuki Ousawa is the main male protagonist of the series, often referred to as "The Rogue Hero" and "The True Hero." After defeating the Demon King in Alayzard, Akatsuki returns to Earth along with Miu who is the daughter of the Demon King, Galious and was entrusted to him by her father to protect her. Akatsuki then began to attend Babel school along with Miu (posing her as his late younger sister).