The popular series that develops a woman's new erogenous zone, the Spence's gland, features the slender H-cup Sarina Momonaga! The Spence's gland is the G-spot of the breast! Developed by a specialist in Spence's gland research, she arches her back and experiences her first breast orgasm of her life! The tickling sensation turns to pleasure as she goes crazy with multiple orgasms! She urinates while being teased with a Spence toy! She has a titjob that makes her tremble as her super sensitive breasts orgasm! Her nipples are teased and kneaded, and she has intense piston-like creampie sex that makes her squirt and climax repeatedly!