Full Marks Hidden Marriage: Pick Up a Son, Get a Free Husband - Chapter 558.5: Priceless Treasure

Sometimes, as we go about with our lives, we all happen to think of one specific thought at least once.

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!

Wei Huo has been ignored and overlooked by almost everyone his entire life, including God. In a bid to transform the world into a more game-like one, God halted time for all humanity except for Wei Huo, leaving him to fend for himself.

This is a story of a modern man returning to ancient times, returning to a real world without any extraordinaryness, and slowly rising by relying on the ability to attribute all data.

- Description from novelbuddy