MTL - The World I’m Wearing is Wrong - Chapter 87 clarify

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?

A college student was returning home after studying abroad for several years when the end of the world happened. A dragon appeared out of nowhere and attacked the plane he was in, thanks to an incredible amount of luck and his quick-thinking, he managed to survive the plane crash only to get stuck on a tropical island. A weird system took over the world and brought monsters to Earth. While nations collapsed and the world as a whole was being destroyed by ridiculous monsters, Leon was stuck on a godforsaken island with no chances of being rescued. What will happen to him? How will the world change while he is away? Will he even manage to return? The story, all names, characters, and incidents portrayed in this production are fictitious. No identification with actual persons (living or deceased), places, buildings, and products is intended or should be inferred.

-Welcome back home~Shall we start with a bath today, or eat first?-Isn't there a third option?-Nope, so let's eat first. I made omelette rice today.-Speaking of omelette rice, there should be that 'maid magic', right?-I really can't handle you... moe moe kyuu~ make it taste good~ moe moe chu~-And what about a heart with the fingers?-I'll give you a head with my heart!The maid finally lost her patience and slammed the omelette rice onto Lin Shuang's head.Lin Shuang: That feels better.

Rainer, an amateur arcanist and college student, sought to create a new spell far surpassing the magic of the few he inherited from his grandfather. Yet the interference of an unknown event during the casting of his spell led him to be thrown through space and time.