Momo married a very good husband, but there is a weakness... impotence! He cannot satisfy Momo. Once, when she went to the gym, she got extra hours because the substitute instructor was absent. When Momo spilled water, he helped her wipe it, but because Momo's body was too seductive, he couldn't control himself. Momo always pretended to hate it, but she didn't avoid it and gradually wanted more...