Start Destroying the World from Today

Different world = Brave = Respected = Beautiful girl hugging you left and right? No, no, no, different world = demon king = everyone shouts and beats = beautiful girl is greatly despised. Why is my time travel different from others! Since the Demon King has a bad reputation, I will try to change the Demon King's reputation! Come on an action journey that spreads love throughout the world! Why... It's different from what labor and management think!