Five busty amateur girls change into sexy dresses and have their hands tied! - Take the skirt drawstring quiz! - As time passes, the skirt gets rolled up and the panties are exposed more and more! - Furthermore, her dress is rolled up and her big boobs are also loose! - If you can answer 10 questions correctly before the skirt goes up, you will win a prize of 1 million yen! - However, if the skirt goes all the way up, the game is over! - A punishment game where she is played with her skirt in a drawstring state and is immediately fucked!