Blackstone Code - Chapter 232:

The world was cruel.....Especially for those who had lost their chances to shine.Aether was one of them....Aether, an individual born with a silver spoon, found himself discarded like a defective product. He had longed for love and tenderness, but what others showed him was nothing but pain.Even in the face of that pain, he smiled not because he wanted to, but because he had no other choice. Despite the heartbreak, he entered into a hell called society with a beautiful smile.....“Can't you do a single thing!!”“...”“You are fired!!!”“....W-Wh..”“I am sorry, Sir, but you need at least a bachelor's degree to enter our company!!”“....I-I am...”“I am sorry, Sir, but we cannot provide a loan for your ideas without reassurance!!”“....W-Why?”“I heard your father is a politician.... So, You know....”“...”After a long struggle, he finally got a job, but his brother's words rang in his ears:“Yeah, yeah… I know you got the job thanks to me, of course. So, don't ever contact me or even MY parents” his brother declared.“...Heh...”Just as he believed he had earned society's recognition, an unforeseen event claimed his pathetic, seemingly worthless life....“HONK!! HONK!!”Yet, amidst the cruelty of society, he defiantly cried,“I JUST WANT TO LIVE!!!!!”Witnessing his heartfelt cry and desire to live in the hellish place called society, he was granted a second chance.~Ding!~However, even in this new life, his situation remained unchanged. He continued to struggle not only to live and eat but also..... seduction.“HOW DARE YOU SEDUCE THE PRINCESS!!”“.....he..he... B-But I didn't seduce her!!”“HOW DARE YOU SEDUCE MY MOTHER!!”“...Hehe”“YOU HAVE SOME NERVE TO SEDUCE MY WIFE, DON'T YOU?”“HEHEHEHEHEE.....”

A good-for-nothing man married a beautiful girl but was kicked off the bed on the wedding night. Furiously, he wrote a bill of divorce and ran away.
He was schemed a car accident in which he nearly lost his life. However, it turned out to be a blessing. He swallowed the soul that passed through the outer world, thus obtained superb medical skills and martial arts.
Later on, with the silver needles and invincible martial arts, he embarked on the road of counterattacks and was committed to his great dreams.

- Description from Novelupdates

Humbra bleeds, devastated by an unrelenting race for survival against the Leirions—powerful monsters intoxicated by their bloodlust. Amidst this chaos, a young orphan, haunted by his brutal past, discovers he is the catalyst to a greater future—a future far darker than he could ever imagine.This is Leonard, a boy whose destiny entwines with ancient secrets, betrayals beyond reckoning, and a world-shattering rage.Humanity already struggles on the edge of the abyss. The light of hope has long been extinguished, ushering in the darkness and heralding echoes of lament... But from this despair, a new hope flickers: the Neumonds, wielders of powers that transcend life and death. Are they saviors... or harbingers of a final, devastating curse?Will Leonard save them all... or will his desire for vengeance end in a valiant death?

It wasn’t even malicious criticism.I just gave feedback in the tone I was asked to.So why the hell did I, the writer who just wanted to help a junior, possess this body of the prospective groom… a villain, who died in the hands of the heroine on their wedding night?