Tenshi ja Nai!

Kazu is a student who is often bullied, and after growing frustrated with his situation, he turns to the devil for help. Instead of facing his problems directly, he tries to curse his tormentors and accidentally summons a demon. Cel, a novice devil still in training, is assigned to handle Kazu's case. As part of the deal, she demands his soul in exchange for fulfilling his request. However, the arrangement does not proceed as expected.