History's Strongest Son-In-Law Living With The In-Laws - Chapter 25

Notice: This story contains R18+ themes, including violence, sensual and sexual content, blood-related addiction, and dark psychological elements. Reader discretion advised.I died in a library, crushed under centuries of forgotten knowledge. Fitting.Now I’ve woken up in a coffin, starving, undead, and very much not human.They call me a Fledgling—a bottom-feeder vampire barely above a ghoul. I’m weak, hunted, and tethered to a world straight out of a cursed tabletop campaign. It’s a classic fantasy realm—elves, knights, guilds, and dungeons—but twisted by a dark, rotting magic. The moon shines red, the gods are silent, and every town smells like fear.To make matters worse, I’ve been bound to a LitRPG system called the Blood Codex.Level up by draining blood.Unlock skills by embracing your monstrous nature.Resist Corruption... or don’t.There's no prophecy. No chosen one nonsense. No noble title. Just fangs, rot, and whatever I can steal, trick, or kill to survive.But the deeper I sink into this world’s underbelly, the more I realize something is watching me through the system. The rules are breaking. Dungeon bosses are going mad. Entire towns are disappearing.And I think I’m supposed to fix it… or maybe finish the job.

I'm captured? Fine, I can't help it since I can't move.

Experimented on? At least give me some anaesthetic.

I'm freed? Let me get some revenge.

Want to plead for your life? Sorry, this miss here holds a grudge.

I destroyed the lab so now let me explore this world freely.

I somehow joined Mr Hero's party. Fine, he seems fun.

"Aiya, how cruel. For the honour of being a hero you'd kill this missy huh?" She smiled whilst bleeding out.

"Che, you still have the mind to joke right now?" He said with a glare.

"What is life if not to enjoy every moment? Since I'm going to die and I can't avenge myself, I hope someone else does."

"No one will. You were the only one who was more powerful than I with your Nanomancy. Now with you out of th-"

"Hush child. I'm trying to die in peace here."

"But I'm ol-!"

"Ap! Good children don't disturb their elders."

"But yo-!"

"Bye~" She grinned before losing strength.

"FUCK!"
…

Why am I sleeping in the snowfields?

Mr Wolves are growling at me. Hungry huh?... Me too.

This is my second book please have mercy on this author. Enjoy.

Nanomancer=A mage that uses nanobots

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What if an alien baby born in the midst of a major conflict on another planet was sent to Earth to save his life? Born with intelligence and the ability to create technology from any material he touches, he was found by a couple in rural Japan and raised like a normal human.Despite his powers beyond reason, living in a peaceful world forced him to restrain himself. He grew up as a young man who loved high-tech superheroes, but never had the chance to realize his dream of becoming a hero.However, everything changed when he and his classmates were suddenly transported to another world—a world of monsters, war, and chaos. Seeing the helplessness of the humans in that world, he realized that this was the chance he had been waiting for.Not with magic, swords, or ordinary physical strength—he would become a hero with technological sophistication that surpassed any civilization!This will be Ren Takamura's story!

I, a mere con artist, was unjustly imprisoned in Tantalus, the Abyssal Prison meant for the most nefarious of criminals, where I met a regressor.

But when I used my ability to read her mind, I found out that I was fated to die in a year…

and that the world would end 10 years later.