This Wizard is So Unscientific! - Chapter 257 - 237 The Third Confrontation with the Saint

This is a story about the protagonist getting the system, going crazy in the biochemical apocalypse, producing aircraft and tanks, destroying zombies, saving good people and killing bad people.

- Description from novelbuddy

Two hundred lifetimes! Two hundred miserable deaths! Leon is a 27-year-old man who experienced a rollercoaster of 200 reincarnations within 180 days. He was so unfortunate that he even died once when he was about to masturbate to hentai! Each death carries the regret of his virginity as he keeps dying without getting a chance to fulfill his only wish…losing his virginity. But his luck finally changes after the 200th death, and he encounters the Goddess of lust, who makes him an offer to be reincarnated with a gift. (Ding! System awakening…) (The super Harem system…) (Ding! The host has seen the secret garden of a heavenly beauty, reward!) (Ding! Mission issued: have sex with the sex mistress!) “All heavenly beauties shall be mine!” Join Leon on his journey to enjoy life to the fullest as a virgin who got his hands on a sex hack, conquering heavenly beauties and even Goddesses! Additional Tags: R-18, HAREM, ACTION, ROMANCE, ADVENTURE, REINCARNATION, SYSTEM, Overpowered Protagonist, ANTIHERO, SMUT

The end of all worlds approaches.

The Demon King Order harvests lives from all manners of living beings.

Within this darkness full of despair,
A single person escaped from space-time, returned to before the world collapsed, determined to change the fate of the past.

But as time pass, he gradually finds out that the Apocalypse isn’t quite as simple as he thinks…

- Description from novelupdates

Once all people received Souls and incredible powers. Some were lucky enough to obtain the Soul of an ancient and powerful creature, but fate was not favorable to all.

The world began to change, and creatures evolved. But, it was not the beginning of a new era. It was the end. A couple of months later, a dark mist appeared and destroyed the world. It was a dictate of destiny from which no one could escape.

Wain Norheim was the world's best assassin and the only one who didn't get a soul. However, he was destined to gain the power to confront fate.

Escaping through a portal into another world, he unknowingly began the apocalypse. Even the world failed to expel him.