Sin System: Demonic Harem After Reincarnation - Chapter 89 - The Slime Without A Core

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

He was the youngest guru of martial arts as well as the perfect Mr. McDreamy of the most girls. He had mysterious absolute touch, clear-sighted observation ability and various outstanding talents.

But now, he was just an ordinary freshman in University of Jiangjing Chinese Medicine, who wanted to learn Chinese Medicine, see patients, and get into a relationship with a girl in a low-key way. However, in a Mid-Autumn Festival party, he was forced to put on a performance, which shocked the whole audience. The shiny and wonderful university life began from then on.

In the university, he met a beautiful and smart School Beauty Jiang Miaoyu who shook his heart slightly. But the road of love was never smooth, even to a perfect hero.

He also met a kind and friendly teacher Dr. Shen who discovered his excellent technique and gave him a chance to practice.
Besides, his three lovely and interesting roommates were indispensable in his life, although sometimes they looked a little awkward.
But this young hero’s life was not always full of happiness without a hitch, some trouble still appeared from time to time. The domineering and imperious President of the Students’ Union Li Qingshi purposely made difficulties for him repeatedly. The stubborn and hardworking martial arts practitioner Chen Cong often challenged him in different ways.

Just because of these extraordinary personalities around him, this young hero’s road of struggle looked so amazing…

- Description from novelupdates

The red meteor shower rained across the sky, a black fog engulfed the world.

After waking from a night of torture and agony,

Humans discovered they no longer dominated the world.

—The hunters have become the hunted.

After the apocalypse, I struggled for survival for ten bitter years, but ultimately couldn’t escape death.

But when I opened my eyes again, I had transformed from an ordinary 35-year old woman into a beautiful young man of 18.

A different gender, a world that is both familiar yet not, an apocalypse that has vanished without a trace, and an unexpected return of 17 years of youth.

Looking around, I discovered I had a powerful, protective big brother and a gentle, charming little sister.

Just as things couldn’t possibly look any brighter—

The end of the world came crashing down again.

And this time around, is it fight? Or flight?