Stay, obviously

You lay on the couch, back mostly on the bottom cushion with your head and neck pushed against the back. Your legs are in the air, spread wide and held in place by Don as he pounds your pussy with a vigor that hasn't dipped at all since you two started. You cum for maybe the 50th time of the afternoon, so lost in pleasure that you barely even register the door opening, closing, and then a shriek from Alex as she sees you and Don fucking.

"What the hell is going on here?" she asks.

"Just-" Don grunts, pulling out and blowing another load onto your stomach and tits. "Just showing your girl Jen a good time."

Alex rounds the couch and you look up at her with half lidded eyes. She pushes Don aside, wincing and shaking sweat off her hand, then takes yours and pulls you off the couch. You struggle for a moment, your legs shaking from pleasure and exertion of the past hour or so. Once you have your footing, you're pulled from the living room and give Don a slow wave as you dip out of sight.

Once in Alex's room, she slams the door and looks at you. "What the hell, J?" she asks.

"It... just kinda happened," you said, smiling lazily.

She shakes her head and leads you to a corner of the room where a full length mirror is positioned. "Look at yourself." You glance into the mirror and see...