In the confines of the metro car, the blonde vixen leans in, whispering, "I've always wanted to fuck on public transport." His eyes widen, but he's game. She unbuttons his shirt, running her hands over his chest, while he hikes up her skirt, exposing her ass to the world. She grinds against him, their bodies synchronization to the rhythm of the train, their eyes locked, daring each other to go further.