Acompaña a shigeo alias "Mob" en este lugar donde residen tanto los demonios, angeles y angeles caidos. Y donde, sera reencarnado como demonio por Serafall Leviatán, como su reina.

The era of heroes is over, with the hero association almost extinct and espers now living in secrecy, the talented son of a legendary esper couple starts attending a school which is under the control of devils. Raised with the mentality that all demons and evil spirits are enemies and carrying an enormous power that is still unknown to most devils, how will he fit in this new life?

Shiego Kageyama or Mob is just an average first-year who s starting Kuoh Academy. The place is full of supernatural creatures, for him that's is no problem because he is a super powerful psychic with power that can rival to a god. With the help of his master Reigen, he will learn to control his powers, survive high school and even get a girlfriend.

The mind-boggling power of ESP remains as the subject of incomprehensibility, baffling even the smartest of minds. Issei Hyoudou at birth is gifted with such wondrous abilities. His best friend and adoptive brother, Vali, is also born with these unusual powers. It's not long before he attracts unwanted attention. Looks like a normal, peaceful life won't be possible anymore.