Demon King, Please Don't Use Your Strength.

Since that day, a "being" with wings, a halo above his head, and preaching the gospel to the world has caused constant disasters in the world: tsunamis, volcanoes, flying demons and monsters... He can no longer hear people's prayers and desires. It's not that he didn't want to hear it, but that day he begged me to give him a complete ear and brain spa, and then he couldn't hear anymore…