Rika, a former employee who was pulled away from a perverted department head and re-employed, was on a business trip with the man. This man was also the worst kind of demon and had taken Rika with him for the sake of her body. What awaited Rika, who was supposed to go on a business trip, stay at an inn, and enjoy hot springs, was an accommodation where she was devoured by the man. What fate awaits Rika, who is swallowed up in the vortex of sexual desire that begins again?