45-year-old Honoka, facing financial hardship after her husband's job loss, begins working as a delivery health worker to support her household. Though nervous, she successfully completes her first day on the job. However, in the days that follow, she begins to feel an increasing heat building within her body, and finds that masturbation no longer brings satisfaction. As she grows more accustomed to her new routine, her daily life slowly settles into a pattern. One day, as she heads to the hotel to meet a client as usual, she's shocked to find an unexpected person waiting for her—!