Sisyphus belongs to Corinth.

The founder and the king. He even kidnapped death for a time, leaving no death in the world. Finally, Sisyphus desecrated the gods. In order to punish Sisyphus, the gods asked him to push a boulder to the top of the mountain because it was too big.

When it is heavy, it often rolls down the mountain before reaching the top of the mountain. All the previous efforts are in vain, so it keeps repeating and doing endlessly-the gods think that there is no more severe punishment than doing this kind of ineffective and hopeless labor. Cubic centimeter/milliliter

Firth's life is slowly exhausted in such an ineffective and hopeless work.