Sister-in-law rubs her pussy while waiting to get fucked by brother-in-law

At night brother-in-law and sister-in-law were alone in the house. Both of them were already fighting. That's why sister-in-law was lying on the bed completely naked. Brother-in-law was preparing to fuck her. Sister-in-law was rubbing her pussy while waiting to get fucked by her brother-in-law.