In a Class of Her Own Episode 28

Though Above Clouds Quartet finds the missing item and a ledger with damaging information about the culprits, Han Zhi Sheng forcibly takes the ledger and hurts Le Xuan and Wen Xi in the process. The students are livid and rally to have Le Xuan as the new President. In the process, Han Zhi Sheng shamelessly demolishes Le Xuan’s character and forces the students to vote to expel him for being an illegitimate child. (Source: frankly at kisskh)