The Strongest Villain in the Multiverse

Be serious! The person standing before you is a great demon king who has killed several billion people! What are you laughing at, you bastard? I'll really chop you up!

P.S. This book is complete, and I'm starting to update a new one. I hope you'll give it your full support! Shower me with flowers and everything!

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