UMAD-094: 如果你通過減掉100g，你將獲得10,000日元！ 如果你減掉1公斤，你將被挑戰到100萬日元！ Michiru Satsuki

If you lose 100g by SEX, you will receive 10,000 yen! If you lose 1 kg, you will be challenged to 1 million yen! Michiru Satsuki