MTL - After Reincarnating, the Ice-Cold Prince Won’t Leave Me Alone - Chapter 507 Extra Princess and the Shadow 17

One day, the stuntman found that acquaintances and unfamiliar people were looking for him through various channels. Even someone from a certain department of the country came—

In the tenth year after the new era, the world finally came to an end. Zhang Mu truefully waited for his death, but unexpectedly found that he had returned to ten years ago. With his memory about the future, he swore that he would change the calamitous history, saving the earth from being destroyed! Walking dead, zergs, evolvers, and various mutated animals… nothing can stop him! The first step is to retrieve his identity as an era merchant , then find all the treasures he can remember to enhance himself!

- Description from Novelupdates

On the surface, Zhou Qingfeng is an international student from Baitan High School, and now he is staying at Julia's home. In fact, he is reborn.With the memory of more than ten years later, in order to avoid the disasters that will be faced in the next ten years, Zhou Qingfeng, in addition to being a young and frivolous international student, secretly investigates a biopharmaceutical company called “Apocalypse”.The gears of fate begin to turn...

This stands at the forefront of strategy guides to Life (a shitty video game)!