In war all methods are good, and so in this video. The brunette didn't know how to seduce the guy and dressing up in front of him worked 100%. Her brother was crazy about her seductive forms and her hard resilient penis is proof of that. Next time the naughty beauty will not have to change her seductive outfit several times and she will immediately get her brother's big phallus in her mouth.
It seems after the guy fucked the stupid sister - her mind came back to her. That's what a swallow of fresh cum does to bitches!