Roy’s life was nothing special. The only thing commendable was the last few moments when he saved a mother and her child from a drunk driver.

It’s really an egg! Damn it, what kind of monster have I become? Did I fall into Hell instead of making it to Heaven??

Join Roy as he ventures through various worlds with the Custom Made Demon King System—a system that allows Roy to draw anything he can imagine and create it through exchanging souls!

This is the story of a boy who lived a secluded life in the mountains, tending his farm, rearing his fish, and dreaming his dreams. Eh? Did I suddenly conquer all worlds and become the big boss? Or am I still in a dream?

【Technology + Disaster + Interstellar + Technology Tree】

In 2050 AD, the sun is affected by an unknown influence, and a helium flash is about to erupt!

Is the earth in danger?

It doesn't matter, I will take action!

The Three-Body Galaxy, the Proxima civilization is about to invade?

It doesn't matter, I will take action!

The dark universe, the disputes among advanced civilizations?

It doesn't matter, I will take action!

…

Starting from controlled nuclear fusion, the protagonist Lv Yongchang opens the interstellar era of human civilization!

Space shuttle, space elevator, energy weapon, antimatter preparation, grand unified theory, curvature navigation, two-dimensional fragments (two-dimensional foil)...

Methane ocean, mysterious species!

Liquid ammonia planet, flesh fusion!!

Dimensional creatures, dimensionality reduction attack!!!

What mysteries are worth exploring in the endless universe? !

Disputes among advanced civilizations, how should human civilization deal with it? !