MTL - Traveling Through Ancient Times To Be a Shopkeeper - Chapter 13 marriage

Before going to college, an ordinary high school student went to celebrate and got drunk. When he woke up, he found himself in a completely different world. There was a big sect, the approaching sect entrance examination, a slum where his body’s previous owner lived, and a shared memory about a missing young girl.

When he got tangled in a fight with a few punks in this different world, he fell off a cliff and miraculously found himself still alive, with two more voices ringing inside his head. They were Sword Master and Saber Master. In the company of them, he continued to find out more about this whole new world. He took the sect entrance examination, entered the sect, met a strange man in black, and even participated in a major competition of the sect to have a chance to win over his peers!
In this whole new world, he was born again and got to explore the fantastic martial world!

- Description from Novelupdates

Summary Version 1:

The mysterious boy Ling Chen is saved by a little girl as he lay on the street dying. Years later, he strikes a deal to save this savior-turned sister and enters the virtual world. In a future Earth where advanced warfare has forced nations to settle issues virtually or else suffer the consequences, Ling Chen bursts into the scene and goes from unknown to legend. Yet all is not as it seems, for Ling Chen has a dark past, and there is a greater mystery at hand behind this virtual world.

Summary Version 2:

To save his terminally ill little sister, Ling Chen enters the newly released virtual game world and joins a small gaming studio comprising entirely of women. From now on walking upon his path towards the pinnacle. An ancient, evil item almost forgotten by history, the “Lunar Scourge” helps forge his unsurpassable legend, and causes him to unknowingly step upon a path that is destined to be punished by the heavens, the way of the shura.

A person carving out a path through life in a chaotic world.Zombies: Roar.Lin Fan: “We're all neighbors, why be so irritable?”Lin Fan: “I still need to go grocery shopping.”Lin Fan, looking at the zombified Xiao Qing: “Xiao Qing, I bought a few bottles of water, and I've already scanned the QR code.”Lin Fan: “Boss, I'd like to settle my wages.”Sunshine District, the community where Lin Fan lived, swarmed with countless refugees seeking shelter.We should learn from Lin Fan, adhere to the law, work for money, and strive to buy houses and cars, becoming outstanding citizens in a city overrun with zombies.