Natsuho, who is obsessed with underground idols, is a self-proclaimed fan of handsome men, but she falls into a dirty trap set by scruffy elderly men living alone. She's still at an age where she's infatuated with the idea of love, and she's a virgin! To contribute to her beloved male underground idols, she starts a part-time job... But at the apartment where she works, a messy resident picks a fight with her, kisses her with his foul breath, and begs her to forgive him...