The First Venerable of the Prosperous Age

[The protagonist doesn't time-travel, has no system, doesn't cultivate immortality, and doesn't level up by grinding monsters or using potions. The focus is on characters and the story. The ending is tragic; please proceed with caution.] A fake monk and a fake beggar, living together, accidentally end up as pimps in the most prestigious brothel. Their drastically different fates unfold from there...