When she woke up, Xu Mianmian was transformed into the vicious cousin in the book who was frail, love-minded, and had no beauty.
The prince's cousin treated her like a sister, but the cousin did anything to marry the prince's cousin. In order to set up the heroine, she was set up instead, and she eventually suffered the consequences.
Xu Mianmian, who knew the outcome, decided not to anger the protagonist group, never commit suicide by herself, and occasionally hugged the protagonist group's thigh.
Concept: You are the protagonist of this world