This is the story of a school which teaches it’s students to have special powers. Although in reality the kids don’t have any supernatural powers but the schools pretends and acts like they have them. The powers are chosen and decided according to the personalities of the students. Based on their unique personality traits each student is placed into one of the four different categories.
Without actually having any superpowers they are still treated according to the role or class that they get during the selection process. Wizard and warrior are the rarest classes to get, while villagers is the most common. Most of the school has the villager class. One day a girl small in size and innocent by looks, gets the demon lord class.
She is the only one of her kind. This demon lord soon starts liking our main protagonist satou. The girl is short and calm, there is nothing that can give a hint about her demon lord status, except for the occasional mummering that she does about destroying all of humanity that is. With the demon lord after him, how far can satou go.