Related to Kedamono Nanbiki Immerse in perverted pleasure between a serious salaryman and a demonic high school student. Salary-man Kenichi meets the angelic high school student, Yuma, through an online dating site. Little does he know that the virgin Yuma actually plans on H-training him with leash, handcuffs, and more…!? Contains the one-shot, Happy Boy, about a young male prostitute and his client.