While you’re at it, fuck my ass too
She looks at him and knows that he will end up doing what she tells him. Generally because a man always does what a slut asks of him, especially when she is naked and ready to make him cum. So it is normal to see that after his sister-in-law approaches him, this kid has no other options than to let himself be carried away by the moment. She gives him a cock suck and after he has spent a good time fucking her pussy, she tells him: “While you’re at it, fuck my ass,” while raising her buttocks. An offer like that cannot be rejected, and fulfilling your demand means that you can do it again in the future.