He's just a Floor

Mistress Mercy stands over her locked slave, the floor box holding him helplessly in place as she settles her full weight onto his chest with sock-covered feet. She grinds those damp socks across his face, pressing them in for deep sniffs while her other foot slides over his balls and then his mouth. One sock comes off and gets stretched over his cock like a makeshift condom; the bare toes then settle over his lips so he can lick between each one, cleaning the sweat from every crease. She rubs both soles hard across his face and mouth, then steps firmly onto his balls, making him flinch before she stuffs the first sock deep into his mouth to quiet the sounds. The second sock follows, packing his mouth full while her bare feet smother his face completely, the heavy scent of her week-worn sweat flooding him as she grinds down.

She keeps one foot working his balls and the other pressing into his stuffed mouth, then pulls the socks free so he can lick the sweat from her soles again. With a wicked smile she settles her full weight onto his face, releasing a long warm fart straight into his nose and open mouth before standing and walking away, leaving him locked in place under the box with nothing but the lingering taste and scent of her feet.