This novel unveils the story of the romance between two students of an ordinary high school. Jiang Muqing is the female protagonist who suffers from severe depression and one day goes to the rooftops with the intention to jump off. Lu Fan is the one to save her – even though it takes promising to love her forever and become her boyfriend. When the police arrive, he does not give them the true details, trying to preserve his peaceful life. But soon Jiang Muqing is transferred to his school and now the boy is facing the nearly impossible task of taming the infamous Yandere.