![](https://cdn.animecharacters.io/images/characters/large/30015-31785cbf.jpg)
Bouichirou Yamato (大和望一郎)
He is the main antagonist of the series. He fought alongside the school Principle to defeat the previous Demon King. He uses a technique called "Hudgson", that allows him to slice the opponent´s body with any sword so fast that the enemy cannot see the moment when he attacks.