OPPAI exclusive actress Haruka Kawamura appears in this popular series that develops a woman's new erogenous zone, the Spence's gland! The Spence's gland is the G-spot of the breast! Developed by a specialist in Spence's gland research, she has her first breast orgasm, dripping with love juice! Spence's caressing sex, Spence's stimulation makes her pee, and a super sensitive titjob! The relentless stimulation of her developed mammary gland makes her arch her back and she goes crazy with pleasure! After a long teasing, her nipples are kneaded and kneaded in sex, and the end is...!