Chiho Kadokura, 27 years old, married for 4 years, no children. She is 23 years old and has been living along the Kyushu Monorail since she married her sailor husband. However, once her husband goes out to sea on her job, she doesn't come back for a week, and Chiho, who has lost her time, starts her part time three days a week. The conversations that the housewives of the part exchanges are full of stimulating content such as adultery, and Chiho, who has been sexless for more than two years, decided that she wanted to have a stimulating experience, so she applied for this time. .
