Ryuu Kusari no Ori -Kokoro no Uchi no “Kokoro”- - Chapter 2[LN] Volume 1: .1

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

A broken man who ended his own life finds himself reincarnated into the game he used to play. However, instead of becoming the protagonist or a powerful antagonist, fate places him in the role of a minor villain—a mere stepping stone for the protagonist in the game's first arc.

Harry got a strange Life Achievement System which assigns missions that reward him for acting like a scumbag and earning Scum Points.Scum Points Could can be exchanged for powerful magical items, rare abilities, and tools that give Harry an edge in both life and business.At first, he resents it. Then he gets curious. And finally… he gets hooked.But being a scumbag is a high-risk profession. One wrong move, and he could lose everything, even his life. To survive this dangerous game, Harry must walk the line between manipulation and strategy, charm and ruthlessness.He’ll cheat, scheme, and hustle his way to the top.

Luo Zheng is at the bottom of the Luo Clan hierarchy, despite his family being the founders of a power refining technique that could instantly defeat any opponent.