I Am the Little Green Plum in the story of the Heroine from Heaven

Cha Cha realized that she was living in a novel. Her mother was Mary Sue who ran with the ball. Her father was a powerful man. The older brother is a little genius with a superior IQ. The impoverished little bamboo horse who she grew up together is the son of the domineering president, who holds great power and is rich in the future. The neighbor who always likes to tug her ponytail hates ghosts and will be a superstar in the future. The self-enclosed table mate who lives at the entrance of the alley will become a well-known professor that everyone admires in the future.