MTL - Senior Brother is Number One In the World - Chapter 297 happy person

He died on the wedding of the girl he had a crush on, after a long and successful career. After convincing Yama to send him back to the world, he decides to fix the areas in which his life went wrong. Realizing the lack of love and romance in his past life, he sets out to conquer the hearts of various women.

- Description from Novelupdates

Our protagonist Caam is a man from Earth that was reincarnated into this world as a demon. In order to survive, he spared no effort in avoiding the sparks of battle and without noticing it, he became strong himself.

Her revenge required his resources. His price was her surrender.She ran from a gilded cage. He’s the only man who can give her the keys to her revenge—and the one who knows how to make her beg for his touch.Her only weapon is a job at Daki Tech, where she finds herself at the mercy of her childhood rival, the ruthless billionaire Reomen Daki.He offers her a deal: his resources for her vengeance, in exchange for her absolute submission in a brutal professional war that bleeds into nights of white-hot tension.Their every clash is a battle of wills laced with searing attraction, a dangerous game where the lines between hatred and hunger blur.To burn her family's world to the ground, she must first play with the one man who knows how to make her burn.

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.