Marina is a married woman with a secret. After her father falls ill, her older sister, who lives with her, devotes herself to caring for him, but she is troubled by the fact that she has been asked for money for the care. She fails at work and cannot consult with her husband, who has a passive job. So she consults with her part-time coworker, Chitose, who suggests she become a sugar daddy. Marina takes it lightly, but the reality is not so simple... she is offered the job of a personal housekeeper. And at the end, a hidden trap is revealed...!