Michael never expected that he would encounter so many troubles during this trip to the human world.
First the Demon Sword, then the Demon King
By some mistake, he returned to the heaven three thousand years ago.
At that time, the future Demon King was still a high-ranking archangel, and he was just a small angel of power.
"Almighty and merciful Lord God, did you let me go back to the past to prevent the upcoming rebellion?"
However, God's answer was…