Lovelust

A master virus evolver, Luke, was sent to the future to eliminate the alien invaders they called Bugmen. This is a virus evolution system that weaponizes the virus by mutation and, the introduction of exotic materials from different locations until it becomes deadly.

World Eater: Virus Evolution System

Somewhere beyond the outskirts of Brigham.

An inhuman grip squeezed his arm muscles and pulled him up. Luke resisted but Kyle's strength made his resistance futile.

"You try to resist eh? You are our charm, human! You will be experimented and you'll be dissected and we will get our reward!" Kyle's appalling breath had invaded Luke's nostrils that came with his greasy voice.

"Do your worst, Bugman. I don't care what you'll do to me!" Luke said strongly as to mask his fear.

"Oh yeah, you aren't afraid to die? Funny! We can smell your fear, human." Kyle punched him in the gut. Luke emaciated on the floor by a strong blow even if it looked so effortless to muster a punch. It felt like his innards were pushed out from his body.

The Mysterious Leader