Maeve, a succubus-in-training, is sent to the human world by her mentor, Veril, to learn how to blend in and hone her skills of seduction. However, things get a little complicated after she meets Aiden, a smart but unmotivated student at her new high school. Unfortunately for her, Sylne, the head succubus of the Demon World, has set a spy on her former protege to catch any missteps.