Sari Kousaka, with her healthy, erotic body, takes on the popular series of stimulating a woman's new erogenous zone, the Spence gland, and making her cum for the first time! The Spence gland is like the G-spot of the breast. The Spence gland is stimulated deep inside the gland with a Spence gland development device, and she climaxes with a trembling orgasm! Developed by a specialist in breast research, she has her first breast orgasm! Nipple teasing sex, toy torture and incontinence, sensitivity-boosting titjob, a beautiful girl with firm young breasts is thoroughly developed and climaxes with her mammary glands in agony!