The Cannon Fodder Rescue Plan [Quick Transmigration]

[Beep! System 9527 has been detected as having gone rogue. Host, return immediately to redo your work, or the world is in danger of collapsing.] Xi Lang was in the middle of processing his retirement when he froze, a huge question mark slowly appearing above his head. Who could have guessed that just as he'd completed all his good deeds and was about to sever his bond with the System, that little rascal would gain sentience and run away? Xi Lang was forced to put his retirement on hold and take a new little fanboy System with him to get back to work. The mission was simple: stop the cannon fodder characters from turning evil. Except, despite Xi Lang diligently trying to stop them, the cannon fodder characters inexplicably turned evil anyway. Xi Lang: ??? In the first world, Xi Lang transmigrates into a useless, womanizing rich playboy. His target is the reserved, steady male supporting character who protects the heroine. He gets close to him, warms his heart, and saves him. The loyal male supporting character certainly starts valuing and trusting him more and more... But what? You say you turned evil because of me? In the second world, Xi Lang transmigrates into the father of the male lead, who is the top. His target is the nasty male supporting character who wants to steal the male lead's son and marry him. He gets close to him, warms his heart, and saves him. The nasty little male supporting character certainly starts relying on and trusting him more and more... But what? You say you want to marry me? In the third world, Xi Lang transmigrates into the useless, brainless young heir of the Marquis of Dingbei. His target is the chancellor's son, who married him to bring about the ruin of his entire family. Xi Lang gets close to him, wins him over, and saves him... And then the man joins Xi Lang in rebelling. Xi Lang, now emperor: ? In the fourth world, Xi Lang transmigrates into an ancient ferocious beast, a mutant. His target is a transmigrator who became a zombie and will eventually evolve into the Zombie King and destroy the world. He helps him, takes him to kill zombies and scumbags, and leads him in conquering the World Alliance. In the end, the man cries out, "Hubby!" Xi Lang: ? In the fifth world, Xi Lang transmigrates into a handsome, influential campus heartthrob. His target is a deranged villain who became twisted because of school bullying. Xi Lang pulls him out of the darkness and becomes his salvation. In the end, the deranged villain presents him with the entire company as his dowry. Xi Lang: ? In the sixth world, Xi Lang transmigrates into an unknown actor. His target is the aloof top-tier star in the entertainment industry, who has a crush on a two-faced male supporting character. Xi Lang turns into a sweet puppy, acting both cute and innocent, and can even become a fierce wolf when it matters. In the end, the aloof beauty goes public with their relationship. The seventh world, ABO, marriage first, love later The eighth world, to be added Theme: Where there's a will, nothing can stand in your way.