I Become A Burdensome Child After Transmigrating (lightnovelheaven-com)

When Su Jiu dies on her eighteenth birthday, she transmigrates into a novel about painful love and becomes an adorable four-year-old child. After she grows up, she will become the villainous second female lead in the novel. Not only will that happen, but her father is also a lazy bum! Su Jiu is worried sick about her…