After the Backup Lover Awakens, He Only Wants to Kiss the Cannon Fodder [Quick Transmigration]

As the backup option for the protagonists' love interests in every world, Ling Shu comforts them when they're abandoned and helps them pursue their ambitions. Then, once they meet their destined male lead, he's kicked to the curb without a second thought. After taking on a backup-lover mission for the Villain Department, Ling Shu rebels and refuses to follow the script. Knowing the protagonist's love interest will let him down in the future, he goes to kick them when they're down. But... there's a little cannon-fodder character in the mission world who's pretty good-looking. He looks like Ling Shu's wife. In the world of the real and fake young masters, a domineering CEO who despises the protagonist's love interest for being too old after being used by him In the entertainment industry, an award-winning actor who lowers himself to play second fiddle to the protagonist's love interest, only to be falsely accused of harassment In the ancient world, a general who helps the protagonist seize the throne, then is sentenced to death after he ascends it In the livestreaming world, a streamer used as a tool to climb the rankings, then mocked as an idiot once the protagonist has milked his popularity In the farming world, the foolish son of a landlord whose entire estate goes to the protagonist, leaving him to take the fall In the ancient world, a prince who takes on another man's child, only to learn that the protagonist's love interest is in love with his own son Theme: Change your fate through hard work, break free of the plot, and live life on your own terms.