A couple going around town tries a prank patience game where they carry each other on their back! - Her boyfriend carries her on his back and carries her in his arms, and plays tricks on her with her panties fully exposed.If she doesn't fall on the floor within the time limit, he will win a prize of 1 million yen! - But tickle with a brush! - Lick bare feet! - Attack the rotor! - As she goes on a rampage with a series of super naughty pranks, even her boyfriend can't keep his balance and is wobbling! - I couldn't stand it and everyone failed! - She is immediately fucked as a punishment game!