She is clearly showing her ass to warm up her cousin
Something falls to the floor and she bends down to pick it up. It is something that can happen, in fact, if it can happen, it will surely happen at some point. And that is understood. What is not normal is that every minute something is falling and she, wearing a skirt and cotton panties that intensify the smell of her slit, bends down to reveal everything. And she is clearly showing her ass to warm up her cousin. Who lacks willpower and the only thing he can do is let her give him a blowjob and then fuck him. Obviously she needed her pussy penetrated.