Nanako, a 24-year-old young married woman, arrives at the meeting spot for her AV debut. Usually living an ordinary daily life, today marks the beginning of a new path for her. Dressed in an outfit that accentuates her large breasts, wearing a miniskirt and fishnet tights, every passing man turns his head to stare. During the interview at the office, she opens up about her life, confessing that she cheated once after marriage—but only once, and the encounter involved nothing beyond normal sex. Hearing this, the director teases her with a mischievous remark: "Show me you masturbating with a vibrator." "Eh... No way... You can't ask me that so suddenly..." Though embarrassed, Nanako soon finds herself with a double-headed dildo in her mouth. With each thrust, pure white arousal fluid drips down, and then...