Prize money of 1 million yen, a couple-only irritation dick game! If the dick goes off course, a super thick vibrator will vibrate in her pussy!! This time, the couple that will explode is Yukari-chan (estimated D-cup) who belongs to a famous university event circle and Kento-kun. Taking off the beautiful girl's pantyhose and spreading her beautiful legs, inserting the vibrator and starting the challenge! She responds to the staff's erotic instructions while squirting wetly at the sudden attack of vibration. Because she couldn't endure the consecutive gakkui (orgasm) just before the goal, a punishment game of raw dick insertion is executed! In front of her boyfriend with a blue face, she is inserted with a flabby dick of a stranger, doggy style, bent over position, ekiben (sandwich)... she is completely fucked and even accepts a kiss, and it's all over with complete pleasure!