A younger brother asks his newly acquired sister, due to his parents' remarriage, to practice kissing. Unable to refuse, the sister reluctantly agrees, but the brother secretly puts an aphrodisiac in his mouth before French kissing her! Trying to stop the rampaging brother, she gradually starts to feel the drug's effects, and her sensitivity skyrockets! As he fiercely sucks on her tongue, she eventually becomes aroused! Inserting into her now sensitive pussy causes her to drool and make a face of ecstasy! Shaking her huge tits, she goes wild in incestuous sex and reaches orgasm!!
