I Became a System as the Villain

After dying while rescuing a “drowning dog,” a young man unexpectedly ended up in another world. Seeing his heaven-defying cultivation talent, he truly thought he was the protagonist. But face-slapping always comes fast, and before long he was targeted by a terrible System. The System told him he was nothing more than a stepping stone... Later, by a twist of fate, he took the System's place.