The Principle of a Philosopher by Eternal Fool 'Asley' - Chapter 24: One Step at a Time

Once upon a time, a hero had been summoned to a different world in order to defeat the demon king. After the war stretching 3 years ended the commendable hero slew the demon king. And he was forcibly deported back to earth after being dismissed.

Such bullshit!

Elves in addition to beast race, dwarfs and demon race. Even though I wanted to make a harem in the different world I saved! My dream will not come true on earth, where there is no magic at all. Thus, the hero returns on his own. Without the blunder of being extradited to earth this time, he will build a harem of his own in a different world.

A ring-shaped bio-computer produced in 3009 AD, traversing the space and time onto Du Cheng’s head, a powerful intelligent program let Du Cheng tapped into high-tech knowledge in the next millennium.

——Commerce, industry, science and technology, Du Cheng will be leading the way, developing high-tech from the future, and making himself invincible.

——From an illegitimate child who was driven out of the family to the economic leader, creating a business empire, Du Cheng’s future is the road to the ultimate glory.

- Description from Novelupdates

Interview (YGZ – Father, ZZ – Mother, ZW – Son)

1. What is something you carry everywhere with you?

YGZ: A gun.

ZZ: I prefer being indoors, specifically inside a lab.

ZW: Anything that has access to the internet.

2. What is your favorite hobby?

YGZ: Shooting.

ZZ: Experimenting.

ZW: Hacking.

3. What is your worst fear?

YGZ: My wife’s cooking.

ZZ: My lab burning.

ZW: No access to the internet.

4. What is your spirit animal and why?

YGZ: A Bigfoot – has hands to hold a gun.

ZZ: An eagle – has good vision, useful for observing.

ZW: A Spider – can spin a web.

5. What is your biggest regret?

YGZ: Letting my wife escape after our first night.

ZZ: My son being a genius. I chose YGZ to be the father of my child because I thought he was a limbo.

ZW: Not reuniting my parents sooner.

Overnight, Tangning became a big slave owner in the southern United States with three large plantations and hundreds of black slaves who could be driven at will.

Tangning was very satisfied with the result of such a time-travel, but then he sadly discovered that he could only enjoy three years of such a good life, because three years later would be the “Civil War”, what should he do after this?

- Description from novelbuddy