Playing a Brave Man, Why Does the Whole World Take Him Seriously?

Lin Yu, the max-level hero who was summoned to defeat the Demon King, was stabbed in the back by the goddess in the final battle, and everyone was killed! It turns out that the goddess is the mastermind behind treating the common people as stupid dogs! Fortunately, he was reborn back to the day he was summoned with all his strength. Looking at the crying goddess in front of him, begging him to save the world, Lin Yu showed a warm smile: "No problem, my goddess, I will be your most "loyal" blade!"