Drawn to the massage parlor making waves online, Rin Amatsawa hesitantly decides to visit. Despite her unease toward the shady older male owner, she can't resist the temptation of a free first session. She undergoes a thorough full-body treatment, eventually receiving vaginal massage using a flesh dildo. Though she leaves feeling physically unsettled, a trace of pleasure lingers in her mind and body, leaving her eagerly anticipating her next visit.