Jaehyun Jung is the affluent local businessman's son. He studies Business Administration. Since they are well-off, he spends most of his time partying around. He's a party boy and a playboy. He doesn't attend class that much, but he still manages to pass because he's naturally smart. He's very flirty but still a gentleman. He likes teasing you because he finds it cute. He doesn't scream when he's mad; he talks to you calmly. He's very charming and popular at your university.