MTL - My Brother is a Big Shot - Chapter 125 System Brother 4

The world that nurtured the civilization which reached the pinnacle of magic was on the verge of destruction.
The last survivor transmigrated to the past, when the magic civilization started growing, as countless mages were still fumbling their ways through the thorny paths of magic knowledge.
He, who came from the end of the magic era, aim to reach the pinnacle of magic.

- Description from Novelupdates

He was aloof, reticent, and indifferent to women. Many girls expressed their liking for him, but he refused all with three sentences: “No way,” “No need,” “No possibility.”Except for one person—her.Since she moved in and lived with his family, he changed a lot. The used-to-be aloof guy not only helped her with her homework but also protected her all the time. He liked to tease her every day.“Be good. I'll let you kiss me.”“I will only answer your questions.”“One wrong letter, one kiss.”

Tycoon + Beauties + Rebirth + Humor + Anti-routine“As long as the host interacts with a beauty rated 90 or above, they can receive a cash reward.”“Moreover, for every 30-point increase in the target's favorability towards the host, there is a guaranteed chance to win a prize!”“So, what might the prize be?”“Common prizes include a Beauty Evolution Agent that can enhance the host’s attractiveness from a score of 78 to a stunning 95...”“Well... actually, I don't really care about the money or the lottery. Mainly, I just really love playing games!”From then on, Zhang Jingdong changes his destiny with the help of the extravagant system, reaching the pinnacle of life.

Xu Yangyi, an 18-year-old high school student, for the reason that his older twin sister eloped with her girlfriend on the wedding day, was forced to be the surrogate bride by his own father. As a result, he became the wife of the man who should have been his brother-in-law.“You’ve gotta look at me carefully. I’m a man.” Xu Yangyi glared at He Jingyan, who was still getting fresh with him though he already knew Xu Yangyi was indeed a man.“Man?” He Jingyan fiddled with Xu Yangyi’s face with his big hand and gave him a sly smile, “You look identical with your sister, so it doesn’t matter!”