Aya and her husband's junior, Yano, who have found each other's ideal partners and are building a happy family. However, their physical compatibility is something they just can't overcome. Knowing it's wrong, yet drawn to each other. They can't possibly let go of their superb sexual partner now. Lost in the act, words fail them, yet they immerse themselves in sex, baring their hearts and passionately seeking each other. Their secret trysts with the perfect lover never cease.
