One Punch King and War Queen

After leisurely traveling through time, he became stronger, but did not become bald or changed anything. He was so powerful that he was invincible and could solve anything with one punch. His goal was to find the Demon King and defeat him and then adventure in this fantasy world. Yes, it started when he met the silver-haired warrior in front of him... And then a journey began. This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.