MTL - The Manga of Ten Thousand Realms - Chapter 5

As a boss with space plant abilities in the apocalypse, Lu Yao once traveled to the future, became the director of a nursery school that was about to close down, and became a rare animal human on the verge of extinction.
The food she made at random can cure the genetic disease of the cubs in the welfare home. She punched the cubs’ scum fathers and scum mothers, and kicked the remarried families who abandoned the cubs.
It is such a good kindergarten successor dean, who is attracted by that single cool imperial marshal!
Since then, the barrage in the live broadcast room has become:
Imperial Citizen A: Dean A, I really want to marry.
A certain big black dragon: Shut up! This is your marshal’s wife!
CP: Dean Lu Yao, who is extremely protective of short-sightedness and loves cubs, X the imperial marshal Helanjia who loves Shang Yunxi more than cubs
Brief: There are no bad cubs, only bad big ones.

- Description from novelbuddy

Just like how everyone adored heroes in their childhood, a certain young man adored those powers hidden in shadows. After hiding his strength and living the mediocre life of a mob character by day while undergoing frenzied training by night, he finally reincarnates into a different world and gains ultimate power. The young man who is only playing at being a power in the shadows, his misunderstanding subordinates, and a giant organization in the shadows that gets trampled…. This is the story of a young boy who had adored powers in shadows possibly eventually reigning over the world of shadows in another world.

This is a therapeutic romance novel that mixes psychology and science fiction.

When his family company went bankrupt, Qi Lin sought help from relatives and friends he had helped before.Qi Lin: “Brother Wang, I treated you to breakfast for three years in high school~”Wang Cheng: “I, Wang Cheng, am not an ungrateful person. Bring me 1000 bowls of hot dry noodles for my old classmate.”Qi Lin: “Xueyao, do you remember when you were looking for a job, you stayed at my villa for three years?”Qi Xueyao: “I paid you three years’ rent for a 10-square-meter room. Why don’t you move your whole family in?”Qi Lin helped these people back then, but now they’re indifferent to him.Disheartened, Qi Lin jumped from a high-rise building in despair.He thought he would die like that, but when Qi Lin opened his eyes again, he found himself back in his third year of high school.The family company hadn’t gone bankrupt, and he was still a rich second-generation playboy.Recalling the scenes after his family went bankrupt, Qi Lin sneered coldly.Since I was all about fooling around and waiting for death, why not become a rich second-generation with no morals?