Lady to Queen-The winner is the queen
Other Name: Lady to Queen-胜者为后

Genres: manhwa
Authors:  MUSO+Kim So Hyeon
Chapter: ongoing
Year: 2020
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Description:
the Lixi is the younger sister of Queen Nina, and her family was destroyed under the frame of the king’s mistress Mary. But after the execution, she opened her eyes again, and she returned to 3 years ago. This time she vowed to become a queen for her sister, never to fall in love with the king, and to save the fate of the whole family. But as time goes by… So… Nina and Mary also traveled back again…? !