The popular series introduces exclusive actress Sakura Hizuki, who develops a new erogenous zone for women, the "Spence Mammary Gland." The Spence Mammary Gland is the G-spot of the breasts! Developed by a specialist in Spence Mammary Gland research, it shakes the J-cup busts for an unexperienced chest orgasm! Already sensitive breasts become highly sensitive and awaken! Even teasing the nipples leads to intense pleasure, causing squirting and spasms! Further stimulation to the mammary glands leads to orgasms while sucking on them! Releasing the restriction on playing with nipples results in three intense climaxes that verge on fainting!