Quick Transmigration: After the Big Shot Became a Pitiful Cannon-Fodder Supporting Female Character

Wushuang had long been invincible in the world. As a result, the world itself became her shackles. To break free, she merged with the Dao and used the world's power to successfully capture an object from beyond the heavens: the Villainess Comeback System.

The System took her through countless minor worlds, making her a supporting female character in all kinds of stories, whether tragic, vicious, or pitiful, and tasked her with changing their original destinies and staging a successful comeback.

But they said she was supposed to be a tool, a stepping stone, someone who could lose with four aces to a pair and had to endure countless hardships before making a comeback. How did it turn into "I'm invincible, do whatever you want"?

Youth comes with no price tag. The finest goods melt as soon as they hit your tongue...

The protagonists and supporting characters are trading barbs? What are they babbling about? They can take it up with her fist, as big as a sandbag!