The popular series that stimulates the new erogenous zone of women [Spence Mammary Gland] to the fullest and fucks them to the fullest has the ultimate busty glamorous Tsubasa Yatsuno making her appearance! The Spence Mammary Gland is like the G-spot of the breast. The mammary gland is forcibly stimulated by the Spence Mammary Gland developer tool and climaxes with a gushing orgasm! Developed by a specialist in mammary gland research, it's the first time for a chest orgasm! Sizzling sex that teases the nipples, toy teasing that leads to incontinence climax, sensitivity-increasing paizuri, and being aroused to the point of erection by the beautiful body writhing in ecstasy!