In the quiet of their shared apartment, she starts to touch herself, her fingers dancing over her clit, sending waves of pleasure through her body. She snaps a picture, her hand still wet, and sends it to him via WhatsApp. His response is immediate, a video of his throbbing cock in his hand, pre-cum glistening. She watches, her own hand never stopping, as he strokes himself, his pace quickening with every gasp she sends back.