Akuto Sai is the primary protagonist of the series Demon King Daimao. He is an orphan and a kind man who transfers into Constant Magick Academy, hoping to someday become a high priest for the benefit of society. However, upon arriving, Yatagarasu, the school's oracular spirit, predicts that he will become a Demon King in the future. Akuto has brown hair and purple eyes. And notable markings below them. Possibly symbolizing his role as "The Demon King," When his personality changes his eyes become red and the marks under his eyes enlongate and become red as well. Akuto is seen as very kind. Though once he was told he was the demon king. He persistently tries to justify that he isn't a bad person. It's also seen that he treats women with respect, and often doesn't appreciate constant advances. He also doesn't like being called "The Demon King". At other times, He has been shown to have a very violent personality with some evil overtones to it. But for good reasons. He sometimes gets into strange situations which portray him as a guy who wants to be the demon king.