If you lose 100g of weight loss through sex, you'll get 10,000 yen!! If you lose 1kg, you'll get 1 million yen challenge!!

Many couples applied to the announcement that "If I lose 100g of weight loss through sex, 10,000 yen!" I want to end the year with a slimming, earning money and looking beautiful!! With such passionate feelings in mind, the couple chose this time to take on the challenge!! Is it for my boyfriend? Is it for me to beat myself? The last last chance of the year!! What will be her outcome?