looking for a novel where some strong guy from idk where reincarnates or descends or smth into the body of this teenager. previous owner of body is arrogant despotic rich young master who was banished to a smaller city. new owner of body knows alchemy, lots of cultivation shit, and is a lustful asshole. anyway, starts a cosmetic chain early on with some chick he met at a drug store i think. later on in the novel, he goes back to like the capital city or smth, runs into a girl the previous owner of the body impregnated and then treated like trash. oh, he also joins military as like an instructor or something.
I think it's one of these Godly Student Girl, I’ll Teach You Cultivation Returning from the Immortal World
https://www.novelupdates.com/series/returning-after-10000-years-cultivation/ This novel has the best female MC for me until she became a homicidal maniac like the MC.
also, early on the MC rescues his like female cousin or sister. like 1-5 chapters in. then he makes cosmetics for his family which makes them look a lot younger. might narrow it down a bit