Mr. Zhu's Summer (2017)

Mr. Zhu is an elementary school teacher. Humble and always trying to earn respect, he really cares about his students but fails to be appreciated by them. His colleagues don’t like how he inspires his students either. King Kong and Grasshopper are the two troublemakers in Zhu’s class and always challenge Zhu. Humiliations and frustrations lead Mr. Zhu to resign. The two naughty kids then decide to win him back no matter what it takes...