About the Fact That Everyone Knows That I Am the Protagonist

Suddenly one day, interesting changes happened around Chen Fan. Famous school beauties always approach me and treat me to dinner. School leaders give various quota rewards to themselves. The scary rich second generation always hides away when they see him every day. Even the security guards at the mall became very respectful when they saw me. What's going on? The world has changed? In fact, what Chen Fan didn't know was that all this was because the word "Protagonist" appeared on his head.