Aesthetica of a Rogue Hero

The story follows an international training organization named Babel which protects the young people returning from another world. A wayward hero named Akatsuki has come back to the real world from a world of sword and magic called Alleyzard, along with beautiful girl, Miu, who is a demon king's daughter. In the academy of Babel, Akatsuki confronts other "returners", who have psychic powers.