I Run Wild and Unrestrained as a Demon

So what if it's the Primordial Era?

So what if it's the Interstellar Era?

Wherever they go, the demon race can run wild without fear.

"I only transmigrated! You didn't have to turn me into some half-human, half-monster, did you? Where's my golden finger? Where's my awesome System?"

"If you won't give me an awesome System, you could at least give me a mediocre one to make a token effort! Couldn't you even toss me some knockoff with downgraded specs? How can you be so stingy?"

"My motto is just eight words: If you can settle it with your fists, don't waste your breath!"

"I'm a pretty nice guy, too. I only have one flaw: whenever someone stares at me, I can't help asking, 'What are you looking at?'"

"Of course, I love it when they answer, 'I'm looking at you, so what?'"

"It's not exactly my favorite thing to hear, but I like what comes next even more..."

"All I can say is: If you're an iron plate, I don't mind smashing through you. If I'm the iron plate, I don't mind making sure you leave with a bloody head..."

"Oh, right, I almost forgot to mention: Whatever you do, don't mess with my daughter..."

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