Fantasy: Starting as a Cannon Fodder Villain

As soon as Xiao Yujing traveled to the fantasy world, she discovered that she was not the protagonist, but the villain of the family who had robbed the protagonist of his childhood sweetheart. Fill the world's protagonist's hatred value from the very beginning? This script is not quite right! Could it be that he has become a villain who can't survive more than three episodes? Wait, there is a system that specifically devours luck? Can you become stronger by swallowing luck? Then let the protagonist of the world come more violently!