The Spirited Daughter-in-law and the Mountain Man - Chapter 1664 adopted heir

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.

Young clerk Loya crossed and came to the world of the legendary OP. As a traversal party, he naturally had golden fingers, but his golden fingers turned out to be the dragon annihilator system from the demon tail!

Is still the ice dragon dragon wizard!

————-

What interesting chemical reactions occur when two worlds with completely different power systems touch together?

When the laser of the ape meets the roar of the ice dragon, what will it look like?
When the green pheasant saw the mouth of the dysentery being eaten by a mouthful, what kind of stunned?

“If it wasn’t for fear of becoming a dragon, I would have unified the world!” Said Loya.
“Don’t you dare say that you are seasick?” Carp buttoned his nostrils and smiled dismissively.

- Description from Uukanshu

Waking up inside the ruins of an orphanage, Alexander finds himself chained and sold to slavery.

A modern metallurgist, trapped in ancient times, watch as he tries to play with the cards fate dealt him.

He will make plate armor, invent paper, build roads, teach governance and many more, as he tries to carve a place for himself.

But how can such things not attract jealous eyes?

The naval superpower- Cantagena,

The unstoppable army of- Exolas,

The superpower of the east- Adhania,

The mercantile confederation- Sybarsis,

The religious fanatics- Iyizarid,

And the ever-present- Barbarians of the Barren Forrest,

All want something from each other.

In this ocean of sharks, follow a small carp as it struggles to leap through the dragon gate and establish a dynasty to outlast them all.

Alexander Pluto, a normal uni student buried in responsibilities from academy professors and theses. Everyday was a struggle for completing deadlines.Due to unfortunate events, Alex found himself in... the sky?Alex 'Fell' into another world. His first reaction was relief then panic because he was about to be eaten by a 'Worm'.After somehow surviving from the Worm attack Alex found civilizations and that's when he found the world eerily similar to a shounen anime he barely watched.And it was at this moment that Alex knew... he fucked up.=====Additional tags....? ¯\_(ツ)_/¯#SmartMC#Rarebloodlines #Overpowered#Overpowered #Isekai #Academy #Campus #R-18 #Harem=====Goals:100 Power Stones= 1 Extra Chapter (weekend)100 Golden Tickets= 2 Extra Chapters (weekend)Note: The cover picture is mine. Hehe~ I AI generated it.[Join Discord: https://discord.gg/uhJGjz2r5V]