Upgrade Specialist in Another World - USAW Prologue

Have you ever thought about how your life would turn out at the age of 18?Well before I could even say that I was an adult to even say I was going to conquer it.The world had seemed to already be determined of what mine and the rest of humanity would be when the first Leviathans was made public to our world.

Seven days remained until the countdown to genetic mutation.Seven days later, all creatures on Earth would undergo mutations. Giant mutated creatures would swarm and attack humanity, putting their fate in jeopardy. The entire Earth would be ruled by these mutated beings!Yang Xiao accidentally walked into a genetic store where various gene potions were sold, capable of altering human body functions.From that moment on, he embarked on a crazy journey of genetic evolution.

The invincible strongman who roams through the city by day and night, a supreme soldier king that moves across the urban landscape.

[You Have Been Chosen.]When the world crumbled, I was nothing more than a jobless loser, left to rot on the streets as the dead devoured the living.Until I heard that voice...[The Ruler System has activated.][Rank 1: Loser][Followers: 0/1]A system that lets me recruit followers, copy their skills, and grow stronger through their actions.My first subject?Mu Qinglan.The ruthless Ice Queen CEO I once called “Boss.” Cold, untouchable... and now infected.As her bloodthirsty jaws closed around my neck, I barely saved her with the system’s makeshift cure.[You Have Recruited Mu Qinglan (S-Tier)][You have copied Mu Qinglan's [Leadership] skill][Please Choose the second skill to copy][+100 Ruler EXP]Every follower I command strengthens me.Every kill feeds my dominion.In this world of death and chaos...I will build an empire of S-Tier Beauties and ascend as the Apocalypse King.For my name is John Wang!