MTL - Feng Mang - Chapter 201 If you knew it already ...

The story centers on Adam, a young man living a life of extreme hardship. Betrayed and cast out by his own family at a young age, he is forced to survive on the streets, working grueling, low-paying jobs just to make ends meet. His existence is a constant struggle against poverty and despair.Everything changes when Adam discovers a mysterious application on his smartphone. This app has a single, reality-altering function: every time he taps the screen, one dollar is instantly deposited into his bank account.At first, Adam uses the app to solve his immediate problems—buying food and securing a place to live. But as he taps his way from hundreds to thousands, and then to millions of dollars, his ambition and vision expand exponentially. He transitions from a destitute outcast to a global magnate, creating a business empire that astounds the world.People point in awe and say, “Look, that's Adam's mobile company,” as they admire the most high-tech smartphones on the market. They marvel at sleek, futuristic cars on the road, remarking, “That car is from Adam's company.” His influence even reaches for the stars, with observers noting, “That new rocket company? Adam started that too.”

An underprivileged prodigy, a cruel, ruthless world, and an epic story of battle and conquest. A young man with an exceptional inheritance leaves the small, rural city from which he hails on a journey to find the girl of his dreams. He defeats countless prodigies, sweeps through all forces that dare to stand in his way, and progresses step by step toward the pinnacle of all the worlds!
“I’m not targeting any gods in particular. All I’m trying to say is that all gods are trash in my eyes!”

- Description from Novelupdates

As a promise, he went out into the world as an assassin. 3 years later, after becoming the Supreme Assassin, he gave up on everything he had and returned to the ranks of ordinary people. But one day, Kismet, a mystical game created by the National Research and Development had appeared.

Enigmatic hands, spectral frame, and one cunning strike just like the swing of the Grim Reaper. The Supreme Assassin takes on the mystical world, and how his legendary tales sets off, progressively ascending the altar to becoming the best.

- Description from Novelupdates