What happens when a man and woman who have not met for over a decade end up alone in a love hotel? The two are encouraged by a proposal for continuous creampie sex with a payout of 100,000 yen for each ejaculation! The classmates' bodies begin to ache in the lewd situations that were unthinkable back then! They are both married, so they are fired up! Once the fire is lit, there is no turning back! They can't stop creampieing! They feel bad for their husbands, but it's a one-night stand... A complete recording of the fire-fighting of four naughty married women!