Hinako Mori, with her slender, busty body, appears in this popular series that develops a new erogenous zone for women: the Spence's gland! The Spence's gland is the G-spot of the breast! Developed by a specialist in Spence's gland research, it brings you an unprecedented pleasure of breast orgasms! A mammary gland massage makes her arch her back and spasm in ecstasy! Nipple teasing and Spence sex make her squirt over and over again as she reaches a mammary gland orgasm! Mammary gland toy play makes her urinate so much she collapses to her knees! Sensitive breasts that make her cum while being tit-fucked! When nipple play is allowed, her nipples are kneaded and she squirts a lot of fluids in an intense orgasm that makes her fall into ahegao!