When the arrogant school bully is forced to pretend to be good, he meets Ji Ci, the world-famous "school bully" who sees through everything, and becomes unruly and fights. In order to keep the only scholarship that could save his mother, he was forced to open the copy of "Campus Civilization Ambassador" and pretend to be good. Lin Mian, the good girl who is number one in grade, looks gentle and sweet on the outside, but has a vicious tongue on the inside. She saw through Ji Ci's disguise at a glance, but chose to continue acting with him - after all, he still had to complete the KPI for Zhou Sheng. A pretend love that started with a contract, from mutual acting skills to fake acting, from the first kiss on the rooftop to fighting side by side. When the disguise was torn apart, they discovered that the most touching thing was the one who was willing to be good for you after taking off all the masks. In the eyes of others, he is the school bully, but to her, he will always be Ji Ci who needs to be protected.