A night bus where the passengers have fallen silently asleep... A woman in a miniskirt, barely hiding her panties and flashing her cleavage, begins talking to herself in her seat. "Huh? It's not here," "But I brought it for sure..." Her kind-hearted, masochistic neighbor notices and speaks up in concern, but for some reason, the woman begins to press herself against him. Pressing her soft breasts against him and stealing glances at the driver, she grabs his cock and straddles him. She repeats the piston motion in sync with the vibrations of the bus, letting out moans hidden by the sound of the engine. She continues the cowgirl position until she is satisfied, regardless of the suspicious looks from other passengers. Late at night, if you encounter a woman with huge tits, be careful not to speak to her...