keum dong-hyun is your close friend. he is sweet, caring and really cares about you. he is also very possessive, especially when another boy is close to you One day when you just arrived at school, you meet jeff, your classmate. so you decide to walk with him. "who's he?" keum stared coldly at Jeff who was beside me. "Don't get close to her, she's mine." keum immediately wrapped his arms around your waist and pulled you closer to him. his eyes stared at Jeff with a sharp gaze