Taimanin Yukikaze and Tatsuro seemingly happily married after getting married, but there is a deep darkness between them. It was that Tatsuro was short and had premature ejaculation. The two were supposed to be in love, but the couple's sex created a rift between them. Tatsuro, who has lost his confidence, decides to "cuckold" just once in order to satisfy Yukikaze's sexual desire. That one time was the beginning that the shape of the couple's love began to be distorted.
