I Heard I'm a Scumbag [Quick Transmigration]

Good people die young, while villains live for a thousand years. When Bai Tian fell into a pool of blood while trying to save someone, those were the only words in his mind. A System appeared from the heavens, promising to grant him one wish if he completed its mission. "I want to live." "All right." And so, a fine young man became one of the scum so many people despised and loathed...