MTL - Record of the Missing Sect Master - Chapter 13

He Xie, a private detective, specializes in investigating extramarital affairs, and once made mistresses and scumbags fearful, he is a good young man with lofty ideals. In the event of an accidental death, you have to start a new life system and complete tasks in exchange for the chance to be reborn.

In “Infernal Affairs”, he worked hard to be a “good person” instead of XXX; in “Youth Bao Qingtian”, he tattooed a sun on his forehead; in “Charlotte Trouble”, Yuan Hua and Qiu Ya sang a plum blossom together, “Lu Xiaofeng” “, “Dragon Babu”, “Kung Fu”, “Bourne Bourne”, “Lord of the Rings”, “Pirates of the Caribbean”…

- Description from novelbuddy

A young man named Alexander Ashbourne is looking for a job to support his studies. He applies to work as a waiter at a restaurant. The next day on his 18th birthday, a system appears that generates money simply by idling. This system also allows him to trade with beings from other worlds or even visit their realms. Watch as Alexander rises to fame across all the realms.[DeathlessOne: I just spotted this mortal, 'AlexanderTheGrate,' trying to trade his drink called Mountain Dew. I'm thinking of offering my Flame Sword for it.][ShadowEternal: Wait, what’s a Mountain Dew?][TimelessWanderer: Are you seriously considering trading your Emperor-grade sword for a mere drink?][DeathlessOne: It’s not just any drink. The taste is out of this world, It's even better than the heavenly wine.][ShadowEternal: {...}][TimelessWanderer: {...}][Everyone in the chat: {...}][RichNigga: You know what, I’m in. I’ll trade my Gold Deluxe Armor just to see if this Mountain Dew is worth all the hype.]

Qi Le – gender: male, sexual interest: women – suffered from congenital heart disease and died early. However, God played a small trick on him and placed his soul inside the body of a trashy shou.

An ordinary student, a wretched peeper, a cowardly teenager with a kind heart. In a terrorist attack, he inherited the knowledge of countless elites, embarked on a path of God Jagged Tu…

He is an artist!

He is a mathematician!

He is a psychology Doctor!

He is a master of fighting!

In fact, he is a man

Taken off raw site:

A wretched, dirty young man is working during the summer when he was caught up in a mysterious explosion. After that explosion, the young man is then left with the memories and knowledge of dozens of the world’s experts.

He has changed, his heart has become cold, iron-blooded. He became a killing machine, his mind turned mechanical, calculative. Everything goes according to his plans and calculations!

In this magical, slaughterous world, a door is opened for him…

- Description from Novelupdates