When Yu Mingtang was dying in the cold palace, he accidentally awakened the "bug" ability and found that he was in the world of novels. He was able to change his destiny through system loopholes, thus reversing the fate of being deposed and returning to the harem.
While dealing with court struggles, Yu Mingtang explored the rules of the system and discovered that he was not the original heroine, but the real heroine was Su Nuan, a medical girl who had just entered the palace. He was just a vicious supporting actress who hindered the heroine's growth.
