At the bar counter sits a beautiful mature woman, Miyuki. There, a younger man in a suit, Miura, arrives. Miura falls for Miyuki at first sight, who is stylish and picture-perfect. The two attempt to become intimate at a hotel. However, noticing the fearful Miyuki, Miura does not proceed with the relationship. Then, half a year later, Miyuki, working as a cleaner at a certain company, and Miura, an employee, accidentally meet again. Eventually, the two cross a line. Since then, they secretly continue their trysts until her husband returns home at 5 PM...
