Martial King's Retired Life - Chapter 44Book 15:

This is a reincarnation/isekai story, about Matt (later TreeTree), an overpowered tree in a fantasy world that serves as the battlefield for an ongoing conflict between demons and the heroes summoned to oppose them.At first a bystander, over a long period of time, TreeTree will learn all sorts of skills, gain levels, and in doing so, build up a forest, train young subordinates, protect a village, and more.

During a luxurious cruise trip, he and she met unexpectedly~ Two months later, she was pregnant. They got married because of the child, but on their wedding day, he forced her to sign a divorce agreement. After the divorce, she thought they would have nothing to do with each other anymore. Who knew he would appear in her life again. When she went on a blind date, he showed up: “This is my ex-wife. She just separated from me.” When she went traveling, he followed her. She was furious: “We are already divorced, what do you want?!” “Let's get back together.” He started to pester her shamelessly. Given all the misunderstandings between them, how should she decide? Let's see who surrenders first~

It has been a year since Li Fuchen lost his “talent”. Now he lives the life of a wastrel, being bullied and beaten by those who were once inferior to him. However, he has still not lost everything as he is engaged to a strong and pretty girl of a powerful family… but that came to an end as the engagement was abruptly anulled. With shame brought to the family and his life engulfed by darkness, a ray of hope pierced through the sky.

Three years ago, the animals and plants on Earth underwent crazy and unexplainable changes that included transformations, reversions, and the addition of otherworldly species. And it was the start of a brand-new type of profession in the new generation of humanity – Monster Trainers, people who specialized in taming monsters.

On his 18th birthday, the protagonist of the story, Gao Peng, suddenly received the ability of being able to see the attribute data frame of monsters. With his ability, he aspired to become the strongest monster trainer that ever lived while looking for a method to revive his parents!

- Description from Novelupdates