Athletic badminton club members, a sharp-eyed bespectacled office lady, a tsundere beauty schoolgirl, and alluring young housewives get tangled together inside a bus. Their intensely escalating relationship mercilessly plunges forward, ruthlessly squeezing and ravaging wet cunts and tight anal holes like demons, regardless of desperate crying and pleas. Beyond pure youthful innocence lies a shocking development that crosses new boundaries.