Thh theres alot out of stories out there. well, the first manhwa that comes to my mind is:
“Post Possession Damage Control / My Body Has Been Possessed by Someone”
- The FLs body got possessed by someone from the modern world (they basically switched lives) then after some time <years passed> they magically switched bodies again from their original timeline. Now the FL was able to used her modern day knowledge (being a doctor or her knowledge about medicines) in order to change everything in her life (since everyone hated her, since she was outcasted as a “Bad Luck” by everyone around her including her family, husband and just everyone in total.) I can pretty much say that the new her is a genius (like literally she’s been going on missions) and a calculated manipulator. But beware, ever since she came back from her original state, her brothers are acting strange and weird around her. You also would not even guess who’s the ML on the manhwa.. You don’t even wanna know. Anyways you can read it for fun!
There’s still alot of manhwas and mangas out there that has that kind of plot, its pretty much popular
Looking for isekai plot where the MC rebirth or transported into a fantasy/old time. Then he/she use modern knowledge to improve his/her current life. I haven't found a webtoon version but most of I've read were manga. If you got saved album for that plot, thank you in advance.