In this popular series that explores new erogenous zones in women, real mother of three children from Okinawa, Yuuka Terashima, makes her debut! Spenss Mammary Glands are undiscovered pleasure spots within breasts! Developed by experts in Spenss mammary gland research, she experiences unprecedented titillation! Her soft, full breasts, honed through raising infants, become highly sensitive! She squirts while experiencing multiple orgasms and ejaculations! Middle-aged man takes advantage of her vulnerability during anal penetration! He also teases her nipples until they're hard as rocks before giving her an intense climax!