I, the lucky koi, am the only sister-obsessed member in the entire wealthy family.

After cultivating for a thousand years, Jin Cancan was destined to undergo a great calamity. Struck by lightning, he unexpectedly reincarnated into a book he had once read—a chaotic amalgamation of several different novels. In the story, the parents are the male and female protagonists, trapped in a sadomasochistic relationship. After being manipulated by others, their bond falls apart, and they are ultimately separated by death. The eldest brother is a villainous business tycoon who forcibly takes advantage of an innocent girl. In the end, he goes bankrupt and becomes nothing more than a stepping stone for the male and female protagonists. The second sister is the male protagonist’s unattainable first love during his time abroad. After returning home, she becomes a foil for the female protagonist. She repeatedly loses her judgment and is eventually disfigured and expelled from the country. The third and fourth brothers are the real and fake heirs of the family. After being schemed against and manipulated by others, they plunge everything into chaos…