Quick Transmigration: The Villainess Levels Up

She was never meant to be the heroine—just another disposable side character in someone else's story. But when a mysterious system offers her a second chance across countless worlds, she refuses to play by the rules. World after world, she defies her scripted fate, stealing power-ups meant for protagonists and rewriting endings no one saw coming. Watch as the ultimate underdog climbs from cannon fodder to legend, one transmigration at a time.