Drop!! ～A Tale of the Fragrance Princess～ - Volume 2, Act 18: Of Yesterday’s Enemies and Whatnot

Shao Qing’s only regret in life is that she blindly fell in love with a worthless man. She gave up everything for him, but in exchange was run over by his conniving mistress when she was close to her delivery date. Fortunately, Heaven left her a way. Crimson rain fell from the sky, the end of the world arrived, she resurrected in the morgue and gave birth to a little monster. Turning into a half human, half zombie freak; her son neither human, nor monster; they have no other choice but to rely on zombies’ crystal nuclei to develop their special abilities and continue living. This debt, she’ll definitely repay that cheating couple!

- Description from Novelupdates

There are always four kinds of people in the traditional Mary Sue world. The Male Lead, the Mary Sue female lead, the woman who never wanted to see the female protagonist live a good life, and the infatuated man willing to destroy heaven and earth to get the female lead.

Hell Ghost Wang Wannian is born again, smiling and proud!
What?
Are you a soldier, will the tank drift?
You are a master, can you give birth to dragons and tigers?
You are a superman, can you call the wind thunder?
Excuse me, I am not targeting anyone, everyone in my eyes, it is rubbish!

- Description from Uukanshu (translated)

Leon Cromwell was hit by a truck and died. He thought he would never open his eyes again, but when he did, it was not what he expected.

“What? Black bones?! What's going on? Where am I?!”

He had been reincarnated into a world of magic and war! With his new situation, Leon had to find a way to get strong quickly and be able to hold his ground against the countless enemies that will come his way!

Follow the black skeleton, Leon, as he explores this new world, makes friends, finds love, and gets down to the bottom of his sudden death.