Yuuna, 30 years old, married woman. lewdness and disorder. A moment after they met, the married woman trembled with the pleasure of sucking another man's dick. The guilt and immorality of being unfaithful, the nervousness of having sex for the first time, but the euphoria of having sex surpasses them all. Will the journey of infidelity of a man's wife ruled by sexual desire come to an end?