One Piece: Supreme Check-In System - Chapter 74: World Diva vs. God Knight Gunko — Clash of Song and Wrath

Zhou Yu, a reclusive otaku who did not like to go out of his house, was one day forced out of his house by a series of unexpected events.

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.

In one fateful day, the world has suddenly turned into chaos as zombies appeared from every major city on the planet. Millions were killed each day and the world government collapsed in just a month.Just as the world was about to lose hope, one person, Thomas Estaris, awakened a system that allows him to summon weapons like pistols, assault rifles, even heavy weaponry such as tanks and helicopters.Will he be able to save the world from its destruction caused by the zombies or die trying?