In this popular series that develops a woman's new erogenous zone, the Spence's gland, the sensitive H-cup Mina Kitano appears! The Spence's gland is the G-spot of the breast! Developed by a specialist in Spence's gland research, she experiences her first breast orgasm as her love juices flow freely! Spence's caressing sex, Spence's teasing and peeing orgasm, and a titty fuck that makes her scream in pleasure from the abnormal pleasure of her mammary gland that she has never experienced before! And after being teased, her sensitivity has inflated and her nipples are stimulated intensively, causing her to change personality and faint!