MTL - I Am Invincible From the End of the World - Chapter 6 Beautiful roommate?

During the Second World War, Kyle looked at Captain America standing straight and proud before him. Suddenly, a series of skill cards appeared.

「Pistol Master」

「Martial Arts Master」

「Shield Defense Master」

「Super Soldier Serum」

Which skill card do you wish to extract?

“Wait… what? This golden finger… you must be pulling my leg! Not only skill cards but I can also extract super-powered skills like the Super Soldier Serum? Mother of God… what is this?!”

Doomsday comes, and human beings enter the heavenly world.
Ten years later, Yang Chen, who was betrayed tragically, returned strongly with the Tianyu bug. In this life, he vowed to make the betrayal pay the price. He has a powerful bug bonus, just like an open hang. Frightened to hear…

- Description from novelbuddy

Qin Yichen returned to his youth with his memories of more than 10,000 years. Superb mental strength, advanced elixir formula, advanced martial arts.

- Description from xbiquge

He was not a human since no human is aware of himself even before his birth.

He has no blood and no heart, but emotions?

He does have feelings, but can he express them?

Why was he called a Devil’s Spawn at his birth?

Why did they cut away his arms and a leg?

Why did no one ever visit him for years?

And why does this emptiness... feels so... just so familiar?

Why does the Void feel so... full?

Who is he? Or rather... What is he?