A popular series that develops a new female erogenous zone, the [Spence mammary glands], features Mizuki Yayoi with her thick, soft giant breasts! The Spence mammary glands are the G-spot of the breasts! Developed by a specialist in Spence mammary gland research for an unprecedented breast orgasm first experience! Doubting but trying out mammary gland development leads to an arching back orgasm. Teasing nipple stimulation and Spence stimulation sex with ejaculation inside! Merciless toy torture causes heavy rain squirt and convulsions! Breast glands rub against each other to reach orgasm during a paizuri! After the nipple teasing ban is lifted, she reaches the peak of ecstasy through hip-thrusting squirting sex and finally faints in ecstasy!
