Total coincidence leads to Satomi planning the wedding of her good friend from high school, Haruka. During a pre−wedding get−together between the two, Haruka brings up the subject of physical compatibility, going on about how ”good” her husband−to−be is. From that point on, all Satomi can think about is exactly what her friend meant −− until one day, when Haruka’s husband−to−be shows up at Satomi’s workplace by himself, she gets the chance to find out!