Fucked while looking out the window

She finds herself looking out the window at the street, her boyfriend approaches from behind and starts rubbing against her and touching her. She who says nothing, gets horny and begins to move her ass instinctively, he who can no longer hold down his pants and sticks his cock to the bottom, the very slut starts to gasp, the morbid of being able to Seeing her on the street while being fucked by her boy seems to make her very horny!