OLD-WORLD EXTRA - Chapter 3: Synchronization

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?

Su Jin, an ordinary poor young man from the countryside working overtime every day to make ends meet in the city to support his family, finds himself in the possession of a book only known as Hell’s Handbook.

The Handbook universe initially seems like a video game as it proceeds to throw him into a different world every month, each world filled with supernatural beings, mythical creatures and deities, and even includes a complete point system along with weapons and special skills.

Surviving these challenges is not easy, but it comes with great rewards.

But he soon realizes that all of this is real. The monetary rewards and magical items he receives from Hell’s Handbook can be used in the real world, but in the same way, every person who dies during a challenge dies in the real world too.

As Su Jin desperately tries to survive each challenge he is thrown into, he slowly starts to uncover the truth behind Hell’s Handbook.

Who is behind Hell’s Handbook and its horror filled challenges? Each challenge reveals a new truth about the world Su Jin lives in, bringing new people into his life even as the world around him becomes harder and harder to trust, and perhaps, even a greater mission in life…

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“Your stats are lower than that of your average person.”

The weakest by a mile among the otherworldlers of class 1-A, Takatsuki Makoto.

The Heroes and Sages who had cheat skills in his class had went off, and the base set lifespan is 10 years?

The Great Demon Lord is going to revive soon?

I am a Mage Apprentice?

Isn’t the balance way too bad? This damn Isekai is a tr*sh game!

“Want to be my believer?”, the Goddess that told me this has zero believers!

Aah, this is bad…I don’t think I can clear this. The Goddess with zero believers is an incredible beauty, and she is telling me she is imprisoned somewhere and is waiting to be saved. My last and hardest mission is to save the Goddess.

Clearing this Isekai that only has adversities, the story of the weakest mage.

The world ended.Zombies and monsters rose. Cities crumbled.And Merek? He woke up in the apocalypse with a job that lets him create armor for lingering souls—spirits without bodies, desperate for purpose.Turns out, the dead don’t rest easy. Some are angry. Some vengeful. Others? Just lost. When Merek binds them into steel warframes, they don’t just fight... they evolve.Now, he leads a legion of the undead—ghosts in armor, bound to him by oath and fate.Faction leaders call him mad. Warlords want him dead. And God? If He’s watching, He’s not talking.Merek was supposed to die with everyone else.Instead, he got a support type job no one’s heard of... and a shot at rewriting his pathetic Earth-life.In this world, only the fittest survive.And Merek? He’s got undeads in steel at his side.