Lucky, an incubus attending demon school, has been assigned to make a human fall in love with him as a graduation requirement. His target is Aoi, and Lucky easily gets invited into his house and flawlessly invites him into bed. “With this, I’m sure to pass!” Lucky celebrated, but his body and heart have been melted by Aoi’s tricks…?! ? The heart-pounding love trial between an impregnable, handsome college student and a simple and pure incubus.