You Are My Starlight - Chapter 35

Zero, a 35-year-old mercenary, after being betrayed by one of his teammates who told his enemy about him. He chooses suicide so that he can kill his enemy and his traitor teammate. After that, he was reincarnated into the world of magic, in the body of an 18-year-old teenager with the same name as him. However, his body does not have mana or the talent for magic. But with the help of the cultivation system, he has unrivaled power in the world and has a harem of beautiful wives.

“I’m going to adopt a child.”Duke Ferio Voreoti’s impulsive decision shocked everyone in the mansion.Not only did he make her his daughter, but he also gave her the name of a ‘beast’ that only direct members of the bloodline could receive.“Even as you breathe right now, I’m earning money.”“It’s confidence, not arrogance.”“My face really does have its advantages.”The most arrogant father in the whole world, and“I love muscles the most. Let’s get muscular.”“Show me your thigh muscles! Your bu*t would be even better!”“You’re nothing but a flower if you have a calm personality…”his corrupted(?) daughter.And…“I will give his excellency the information he wants most.”“Information I want most, you say…”“You won’t regret it.”…A stepmother(?) with a strange secret as well.

Xiao Ze, who was dedicated to the people and vowed to become a generation of Ming Jun, accidentally fell on a little lady.
The little lady was born beautiful and lovable.
So Xiao Ze accepted his life and got the name of fear.

ps:
①The male protagonist has no concubine, and he is dedicated to serving the country.

- Description from novelbuddy

Reincarnated into a land of cultivation, Yuan Zhou uses his Earth knowledge and assumptions to become a genius under the heavens for both business and cultivation. However, he walks the path of defiance, exceeding all rational cultivation bounds. His business ideas struggle against the stagnant culture that pervades the land, but the things he doesn't lack are his drive for immortality and power.