The husband works for a certain famous overseas fashion brand, and Ashina herself works in the apparel industry; they are an elite fashion couple. They currently live in a high-rise apartment in Minato Ward, and while one might think they live the life everyone envies, in reality their relationship is quite cold. Because they are both busy with their jobs, they never go out to eat together or on weekends, and they rarely have sex at night. Then she finds out her husband is cheating on her! She says she had suspected it for a while, based on her woman's intuition, but when he actually cheated on her, the shock was greater than she expected. In order to escape reality, she finds herself getting caught up in an affair with a stranger...