The popular series that stimulates and makes women climax through the "Spence Mammary Gland," a new erogenous zone, now features the exquisite, glamorous, and busty Tsubasa Hachino! The Spence Mammary Gland is like the G-spot of the breast. Forced stimulation with a development device leads to squirting orgasms! Developed by a mammary gland research specialist, she experiences her first breast orgasm! From teasing nipple sex and toy torture leading to wetting herself in ecstasy, to high-sensitivity titjobs, her writhing, beautiful body in the throes of pleasure will give you a painfully hard erection!