UMAD-094: 如果你通过减掉100g，你将获得10,000日元！ 如果你减掉1公斤，你将被挑战到100万日元！ 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