In the depths of a stern gaze, the flames of passion burn. A married woman accepts a 'forbidden' night... Alone with the other man, experiencing the first illicit affair trip in the hot spring. While clinging to each other's bodies, they passionately intertwine so intensely that the surface of the water trembles. And as the day sets, the woman's body becomes increasingly lascivious, alone with him in a dimly lit Japanese room. While wetting the bedding with sweat and love fluid, the married woman, shaking her hips and seeking the penis, finally received the seed of another man...