Public stairwell flashing and masturbation

A masked woman in glasses and a yellow dress with pink ruffles poses on a building stairwell, then hikes the hem and peels her white panties down her thighs. She flashes her hairy pussy on the steps, turns to show her ass with the underwear stretched around her legs, and sits down to spread her knees and work her fingers inside. She stretches those panties between her thighs like a sling and fingers herself on the concrete stairs, one loafer kicked up so the underwear dangles from her ankle. Wet and open, she plays for the camera, then looks back over her shoulder still half-dressed, still teasing anyone who might come up the stairs.