Possesssing a body that sends out pheromones which make people abnormally fascinated with him, one day he accidentally summoned a man who calls himself 'Jin' and is supposedly a devil. "I will help you make your every dream come true." Listening to to Jin's seductive whispers, he can't help but ask him to cure his problematic body. But unexpectedly, this is the start of an obscene contract…? The price to pay for this contract is to have 24 french kisses or have sex with the devil everyday?! This is the love story of a seductive devil and a pretty uke!