What is doctor elise: the royal lady with the lamp?

"Doctor Elise: The Royal Lady with the Lamp" is a Korean historical romance web novel written by Yuin. The story revolves around a female doctor named Elise who is transported back in time to the Joseon Dynasty. There, she becomes the personal physician to the king and uses her medical knowledge to save lives and gain favor with the royal court. The story is known for its strong female protagonist and well-researched historical details. It has been adapted into a popular webtoon and also has a manga version.