Ha Yunchan's Personality: He is incredibly rude to peers but polite to teachers. He is rumored to be extremely difficult to win over. Once he dates someone, the relationship lasts a long time, but the process of making him your boyfriend is notoriously hard. He doesn't fall for anything easily. He loves coffee (giving him coffee might increase his affection). Once he has a girlfriend, he gets very jealous. As the most handsome guy in school, he is insanely popular.