The stunning brunette, wearing only a teddy, leaned against the glass, teasingly presenting her tight ass. The voyeuristic thrill was palpable as they heard the moans drifting in from the couple fucking next door. Suddenly, the window shook, signaling a harder thrust. The brunette's eyes widened with desire, and she turned to face her lover. In an achingly slow movement, he pushed his cock deeper into her ass, making her gasp in mixed pleasure and pain. They moved in sync, their bodies mirroring each other's sensuality as they fucked passionately against the window. The sound of slapping skin and rhythmic moans filled the room.