Quick Transmigration: Why Did You Pick Up the Villain's Script Again?

Shuo Cheng gets bound to a System and agrees to take on missions across various planes. His goal is clear: eliminate the villains and return to his own world to exact revenge. Shuo Cheng: Playing with people's hearts is my specialty. I can do this. But the moment he sees his target, Shuo Cheng gets worked up: I! Can! Do! This! Still, he can't bring himself to hurt a beauty. So, how about dismantling the System instead? System: ??? Is this something a person would do? You're a villain in everyone else's eyes, but the most beautiful soul in my heart. A domineering, devilishly handsome Demon Lord × a peerlessly beautiful man notorious for his wickedness. Sweet romance, come on in!