A high school girl challenges herself to a long rope skipping contest, aiming for the top prize of 1 million yen! 10,000 yen for each jump! If she fails, the prize money is confiscated and she faces a lewd penalty! No bra!? No panties!? However, the prize money multiplier keeps increasing! She puts in a remote control vibrator and gets 10 times the prize money! Her boobs shake with every jump! Her pussy is fully exposed! It's embarrassing, but she wants the prize money! However, the vibrator suddenly switches on and the high school girl is so sensitive that she feels it and fails the challenge! The punishment is an instant fuck!