Exposed to Nuclear Radiation from the Start, I Bring Peace to All Ages

[No saintly heroine + dark + realistic + System + horror + villain]

Ever since radioactive wastewater from Japan flowed into the sea, the world has changed dramatically. Land and water supplies have steadily dwindled, while living creatures have either vanished in droves or mutated.

The boy who once threw money around in the street has now become the master of a forbidden dark zone, a powerful figure who can hold the elite in check. He seeks neither fame nor glory, only peace for the world!

But enough about that. As the master of the forbidden dark zone, it's time to put everyone through the Three Judgments of the Apocalypse.

Question:

Have you studied biology?

Have you heard of reproductive isolation?

Have you seen a combination of the best traits from all kinds of creatures?

Answer: I've never heard of it.

Oh, that's unfortunate. Everything of this age is waiting for you to experience, because...

Perhaps you are one of those destined to be part of the future.