Al is an exceptional incubus in training and in order to graduate, he has to successfully have sex and take the soul of a quality human. However, Kotaro, the "quality" human is just an overworked corporate slave who has erectile dysfunction from the stress. Al decides to research on how to get Kotaro back to health and in doing so, he becomes Kotaro's household helper. In doibg so, the two realizes just how common they are and Al ends up realizing how terrible it would be to finally be able to have sex and ultimately kill Kotaro, whom he has fallen in love with.
Inma-kun wa Oshigoto Dekinai