I Transmigrated to Another World and Killed the Demon King with One Punch

After transmigrating to another world, a Demon King was lying in wait from the start?

One punch, and it was dead!!!

But that triggered a new outbreak!!!

Hidden alien races?!! Nine stars aligned?!! A warning from the future?!!

This is a superpowered world of many disciplines: supernatural abilities, magic, machinery, qi refinement, and more!!!

Watch as a young man rises to the pinnacle of this superpowered world, where mechs fill the skies and everyone has a whole arsenal of supernatural abilities!!!

This novel and its characters are entirely fictional. Any resemblance to real people or events is purely coincidental. Do not imitate.