Mortal World's Supreme: Face-Slapping My Way Through the City

[Face-slapping and punishing scumbags + satisfying comeback + invincible protagonist + laid-back schemer + play the pig to eat the tiger + wild imagination + anti-trope + cheeky and sly + shameless + ruthless + madman] Lin Bei, the disowned son of the Lin family of Jiangzhou, was publicly dumped by his fiancée and cast out of the family three years ago, becoming a laughingstock across the city.

Three years later, he returns with a mysterious inheritance, wanting only to quietly open a small clinic and lie flat until he dies.

But then

His ex-fiancée kneels at his door and begs to get back together? Sorry, you don't deserve my prescriptions.

The richest heiress pursues him? Take a number, please. Start by registering.

A martial arts grandmaster comes to provoke him? One move takes him out. Next.

An overseas conglomerate tries to blacklist him? Its stock hits the daily limit down the next day, and the chairman personally comes to apologize.

Until one day, a crowd of men in black kneels across the entire street: “We welcome the Dragon King back!”

With a cigarette between his lips, Lin Bei slowly closes the clinic door. “Get up. I'm not off work yet.”

This is the story of a man who only wants to lie flat, but is forced to spend his days face-slapping, crushing nobodies, and turning the tables, until he finally stands at the top of the world.