Yang Anyu always thought that his Lin Yan was a pitiful, helpless and weak little puppy. So he gave his best to Lin Yan, hoping that he could get rid of that scumbag father and become a carefree and happy male college student.
Unexpectedly, after a series of events, he gradually discovered that the Lin Yan in front of him was not really him...
Lin Yan spent his whole life in exchange for meeting Yang Anyu.
Purpose: We are all changing for each other
