From a mother of three children to one woman. Sanae Kurihara, 49 years old, her first sexual development experience. She makes a reservation herself at a real women's pleasure establishment in Tokorozawa and Shinjuku, and her clitoris is caressed with the gentle and stimulating treatment of a younger, handsome therapist who belongs to the establishment. Ms. Kurihara's cheeks gradually become flushed with the stimulation of her first experience. While being modest, she begins to moan and cum without caring about others.