Sumire Mizukawa is 27 years old. She married her salesman husband a year ago. They seem to have a thriving nighttime married life, having sex 2 or 3 times a week. When she was single, she and her husband used to have sex at night in the office behind the security guard's back.... It seems that there is more to this wife than she is letting on. The interview team will get close to the true feelings of such a married woman.