The younger brother becomes aware of his older sister's 'big breasts' and begs her, "Let me squeeze them a bit!" Even though he had been boasting that he wouldn't feel anything, his breathing was getting rough! She tries desperately to act calm, but the caressing of her breasts escalates, causing a stain on her panties! The older sister is unable to resist the overwhelming pleasure and is unable to resist her younger brother's out-of-control cock...