"My boobs are so big... I wonder if they're not sensitive..." These women, who are troubled by their large breasts, visit a massage parlor where relentless treatment is being performed on the "Spence's gland," also known as the G-spot of the breasts! This "Spence's gland" is still little known, but many women are left undeveloped, and it seems that there are many victims who are corrupted by the treatments of ulterior motive specialists! G-J cup busty women who roll their eyes, drool, and show their ahegao faces as they go crazy!