After an intense workout, a married Japanese businessman finds himself alone in the gym's steamy shower. Lathering up with lotion, he begins to stroke his hard cock, his breath hitching as he savors the illicit pleasure of public masturbation. His grip tightens, fingers dancing over his sensitive skin, as he nears the edge. With a final, choked gasp, he spills his load into the cascading water, his body shuddering with the force of his orgasm.