Wooyobitme's manga / #Strong Female Lead(4)

The villainess dies in her first life (historical era) and reincarnates into the modern world, deciding to save lives this time around to atone for her sins, she becomes a doctor. She dies again, and returns to her previous 1st life, before she became the villainess. She uses her knowledge of modern medicine from her second life to help the historical time period she now lives in once again. She is also being courted by the prince, who in her first life, was the one who executed her.