In this popular series that develops a woman's new erogenous zone, the Spence gland, legendary actress Yuri Motomasa with her dynamite H cup breasts appears! The Spence gland is the G-spot of the breast! Developed by a specialist in Spence gland research, she experiences a shocking breast orgasm! A mammary gland development massage that makes her moan with pleasure as her huge breasts shake, and creampie sex that makes her cum while teasing her nipples! A toy that thoroughly stimulates the mammary glands makes her urinate! A titty fuck makes her drool as she climaxes! Nipple stimulation sex makes her squirt and she convulses in ecstasy!