The supporting character's harem is very normal - Chapter 121 My mother is not a prostitute!

Terrorized by the Seed Crystal Virus outbreak, the dimension where Stein was created had its civilization destroyed. Once a world developed with technology as its core, now it was just a wilderness with remnants of tech that’s inedible.

Unknown if it was a call of good or bad luck, Zhang Qin Feng was chosen as the one to bring life back to this lawless, desolated place.

What can he do?

How can it be done?

For what purposes?

Is it worth risking his life for?

There’s no one to answer Zhang Qin Feng, as he was the only one with such a privilege. But he knew... That everything came with a price.

“STEIN, Inventory!” Zhang Qin Feng grabbed the Phalanx X-02 that took four inventory spaces from his Dimensional Storage. Holding the pistol with both of his hands, he fired a shot accurately at one of the incoming zombie's head.

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

Ludwig Heart, the heir to a vast fortune and a life of luxury, craves only one thing: freedom from his gilded cage. But when a plane crash catapults him into a world of magic and danger, he awakens not as the hero he dreamed of, but as a victim in a twisted ritual. Trapped between the ambitions of dark necromancers and the wrath of vengeful gods, Ludwig must navigate a deadly new reality where his life is no longer his own. Stripped of privilege and resurrected as an undead pawn, Ludwig’s fight for survival will determine whether he reclaims his destiny—or becomes a mere footnote in a world of shadows and deceit.

The person whom the world revolves around.