Female college student Zhai Wanwan gained weight up to 200 catties due to illness, and after gaining weight she began to lack confidence and give up on herself. Her parents at home favored boys over girls, and she had no friends at school. After being chatted up by a boy in the library and confessing her love, she became a laughingstock after her confession was rejected. Later, through the help of a system, step by step she achieved self-rescue and a counterattack, making her life more perfect.