MTL - Manga Guidebook - Chapter 22 School

He holds a god-level sign-in system in his hand, punches the goose factory, and steps on the pig factory. Do you think there is no good game?
First feed you two mouthfuls of tainted milk powder, and then send you the legend of the dragon and the Hearthstone gold cartoon for free.
What? Still not satisfied? League of Kings out-of-print skin, give away!
Satisfied? Tch, this is just the beginning…

- Description from novelbuddy

After the gold medal teacher, Sun Mo of the city’s No. 2 Middle School, fell into the water, he transmigrated to Tang Guo, Zhongzhou Academy and became a newly graduated intern teacher. Sun Mo bound the Peerless Master System, turning waste into little geniuses. Under Sun Mo’s guidance, the little children became masters after one year, passed emperor level after three years, and attempted god level after five years.

Pei Qin, upon transmigration, was instantaneously drenched in a basin of misery.The Scholar father was murdered on his way to the exams, and eldest uncle Jian Shen had two households.There was a son from the second wife, but neither grandparents nor villagers liked him, and he was also a thorn in the side of eldest aunt.Valuing sons over daughters, they wanted to sell her to buy land.Malnourished and poorly clad, her mother and siblings toiled like beasts of burden.Before she could strive for a better life, that already deceased Scholar father came back to life.He'd married a rich man's daughter? Sired two sons?Life was so hard, yet it drove his wife to her death.Pei Qin looked at her emaciated younger siblings, her hands trembling: To the mountains!!————————Lived in caves, built a hut, ate wild vegetables, gathered wild fruits.In poverty-stricken days, Pei Qin led her siblings to quietly amass wealth and silently prosper.Just as they were about to thrive, another wave of misfortune was thrown their way!Pei Qin with hands on hips: If you want to play the scoundrel, I'll make sure you're reduced to nothing!********************

Reborn as a sword, he lived for hundreds of years, and then he occupied the body of a 15-year-old prince.