Leveling Up Alone - Chapter 352 – Japan Sinking?

Cho Ryu Hyang was good at math from a young age. When he enrolled into the The Theoretical Maths and Martial Arts School, the teacher, Jo Gi Chun, recognized Cho Ryu Hyang’s talent immediately and took him in.

The aliens came with hostility.
Facing the invasion of aliens, human beings are weak like ants.
So this is the end, the real end.
But there is resistance when there is an invasion.
For some, this is not the end, it is war.
So this is war.
Real war!

- Description from Qidian

Story about human babies raised by monsters in a world of sword and magic.

Allen is an orphaned boy that had lived a rather pleasant life with his orc mother in the bowels of a deadly dungeon, until the day a band of humans ventured down to loot and pillage the home they had come to think of as safe.

They took everything that Allen had, and drove him further away from the humanity. In anger and anguish, Allen turned his back on the humans. He encapsulated himself in a deep-seated hatred of them, refusing to associate with them in any way—even going so far as to reject any attempt at kindness.

Allen begins his journey in a world of human with full of deceit, danger, envy, and politics.

You have unlocked the skill Money is Power (MAX)In an unknown land, where towering beasts, malevolent demons, and capricious gods reign supreme, a young man awakens in chains, his past erased from memory. He somehow knows that his name is Raiden, and he finds himself a slave for a ruthless group of bandits that buy war orphans.Raiden's days blur into a haze of toil and torment, his mind a void looking for answers. But beneath his exterior lies a dormant power, a skill that, when unlocked, promises to reshape his fate: Money is Power (MAX). This unique ability allows him to manipulate wealth in many ways, transforming it into strength, influence, and even magical prowess.As Raiden navigates the dangerous world, he discovers the true extent of his power. Gold becomes his sword and shield, enabling him to do pretty much everything he wants. With every coin he acquires, his influence grows, challenging the gods themselves and unsettling the very fabric of the world.