MTL - Your Teacher I, am Hella Rich - Chapter 39 Boyfriend (below)

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

Lin Fan acquired the Sign-in System that led him on the path of the life of a god-level nouveau riche.

In this life, I will live for you.

“Drive this woman out!” "Throw this woman into the sea!” When he doesn’t know Debbie Nian’s true identity, Carlos Huo cold-shoulders her. “Mr. Huo, she is your wife,” Carlos’ secretary reminded him. Hearing that, Carlos gives him a cold stare and complained, “why didn’t you tell me earlier?” From then on, Carlos spoils her rotten. Little did everyone expect that they would get a divorce.