The Best Little Servant

After an accidental time travel, the 21st century miracle doctor Shen Xinnian came to a completely different world and became a servant in the Xiao family mansion. When he first came to this world, he encountered a vicious lady and a maid who made things difficult for him and almost died. His future was bleak. Fortunately, he was saved by the seriously ill eldest daughter of the mansion. After traveling through time and being reborn, Shen Xinyin vowed never to be as cowardly as the original owner. So this year, Shen Xinyin opened a medical clinic, practiced medicine, befriended young ladies, fought evil people, and collected all the wealth in the world. Why do you say that foreign princesses and empresses from other countries want to marry Shen Xinyin?