Sensual big-titted beauty Sumi Kurokawa appears in the latest installment of the popular series "Women's New Erogenous Zone: Spence Breast Gland." The Spence Breast Gland is said to be a new G-spot located in the breasts, and by stimulating sensitive nipples and breast tissue, women can experience unprecedented pleasure. Through specialized breast gland development massage, natural sensitivity heightens, leading to shocking experiences of convulsions, screaming, and intense orgasms. With strong nipple stimulation, she becomes unable to endure vigorous thrusting sex, gushing wave after wave of squirting ecstasy. Toys are then used to further stimulate the Spence Breast Gland, pushing her toward extreme pleasure culminating in massive urinary release. Teased all day long, her rock-hard nipples are relentlessly twisted and squeezed, driving her to mind-blowing, consciousness-shattering orgasms.