Exclusive actress Ai Sayama finally appears in the popular series that stimulates the "Spence mammary gland," a woman's new erogenous zone, to make her cum repeatedly! The Spence mammary gland is essentially the G-spot of the breast. Initially skeptical, she unexpectedly squirts from the intense pleasure! "No, no!! Doctor! I'm cumming again!!!" Despite it being her first time, she experiences multiple breast orgasms, eventually falling into a daze while twitching and convulsing. Please enjoy the unprecedented climaxes of exclusive actress Ai Sayama.