The Mech Touch (Web Novel) - Chapter 5901 Remedial Lessons

[Simulation shall commence.]On this fateful day, the world was stunned by the appearance of ancient animals that were supposed to have gone extinct for millions of years. Huge sinkholes appeared in every corner of the world, becoming a tunnel for the ancient animals to emerge to the surface.Humans have found an answer to one of the biggest mysteries in human history. Hollow Earth is real. Here, humans will wrest their lives to explore this new world that has existed for thousands, if not millions, of years underneath them.Before the start of his exploration, Clovis came across a place called ‘Another World Mall.’Dwarven Sword, Magical Elven Clothes, or Giant Race Toy? Everything can be found in this ‘Another World Mall.’As an aspiring Subterranean Explorer, how would he utilize this ‘Another World Mall’ to become the greatest explorer of all time and find the truth about the simulation?

I was on my way home with my friend when suddenly, I spotted a catgirl cosplayer who made my heart skip a beat.But something felt off—I couldn’t recall seeing her in any anime, manga, or games I had ever come across. Confused, I asked my friend standing next to me.To my shock, his response sent chills down my spine:“Huh? What catgirl? What are you talking about?”Suddenly, a truck came barreling toward the girl. Without thinking, I rushed to save her. In the end, both of us were hit by the truck.Now, I find myself reincarnated in another world—in the body of the very catgirl I had seen.But... who is this girl?How is she related to the dungeons that keep popping up in this new world?

Zhou Heng thought the news of an impending solar flare and natural disasters was absurd—until he died in the apocalyptic chaos that followed. Reborn ten days before the end begins, Zhou Heng now knows the truth: earthquakes, tsunamis, plagues, and even zombies will devastate the Earth.Armed with the Doomsday Sanctuary System, he has a chance to rewrite his fate, but there’s a catch—it requires a shelter to activate.With only ten days left, can Zhou Heng gather the resources, fortify his sanctuary, and prepare for the storm of humanity’s collapse?

Reborn into the world of Yugioh, it's natural if my goal is to become the best duelist!