Kenji masaki, while in middle school he was fascinated by occult, he loved indulging himself in mythologies of demons and its culture. by the end of his middle school he realizes that he put all his classmates away and wishes to change his life, he picks a high school away from all his past and finally makes a friend, his life goes on until he meets a girl who he doesn't know existed in his middle school. things turn 180 after meeting her and he finds himself housing a demon soon after, then Kenji meets with a road accident, the next thing he knew is he is under a fancy sealing in a room that is too luxurious to be a hospital, and a man next to him calls him a prince. He then learns that he got rejected by a empires princes because he is fat, but the princess doesn't know his potential in his magic. this is a world of swords & magic where prince Neil is blessed with the knowledge of ancient magic. will the princess recognizes her mistake, will the prince accept her. This is a story of how the prince looses his claim to the throne and fights all anomalies in the kingdom to find his purpose in his life.