Miyuki, a beautiful mature woman sitting at the bar counter. A younger suit man, Miura, came there. Miura, who fell in love at first sight with Miyuki, who was stylish and picture-perfect, and the two tried to have a relationship at a hotel. However, Miura, who noticed the frightened Miyuki, did not have a relationship. Six months later, Miyuki, who is a janitor at a certain company, and Miura, who is her employee, meet again by chance. The two finally cross the line. Since then, she secretly meets repeatedly until her husband comes home at 17:00.
