Ichiban Ushiro no Daimaou

A young man named Akuto Sai seeks to join the highest magical order in his country and serve as a member of the clergy. After being accepted into the Constan Magical Academy, an aptitude test forecasts his future occupation as "Devil King." His time at the academy is complicated by tension with his academic female class representative, interest from a girl possessing enigmatic abilities, and protection from a female android.