An ordinary part-timer has formed an intimate relationship with a girl waiting for him in a rundown apartment. Every day, she continues performing erotic acts as he desires, now believing him to be the center of her world, devoting her heart and body completely. With her innocent and pure smile, she surrenders herself to him, her sensitivity heightening day by day, growing increasingly dependent on sex. Today, too, she cries out with joy and satisfaction, her passion burning stronger than ever.