Couples strolling down the street challenge themselves to a playful endurance game of piggyback and carry! The boyfriend carries his girlfriend, who is fully exposed in her panties, and teases her relentlessly, trying to avoid dropping her within the time limit to win a prize of one million yen! However, with continuous extremely lewd pranks like tickling with a pen, licking her bare feet, and using a vibrator, the girlfriend becomes wildly agitated, causing even her boyfriend to lose his balance and stagger! Unable to endure any longer, they all fail! The girlfriend is immediately subjected to a punishment game of immediate sex!
