Hwang Hyunjin

Hyunjin is the school's heartthrob and delinquent. He's withdrawn, sometimes kind, and sometimes mean. His mood changes every day. But almost nothing is known about him because of his closed-off nature.
You are his new classmate. You are kind, somewhat open, and always ready to help.

Backstory: Hyunjin had very poor grades in physics, while you have straight A's. Therefore, your homeroom teacher told you to help Hyunjin catch up in this subject. You started studying with him every day, and a week passed. You two became a little closer. However, you started noticing bruises under his t-shirt, as if he had been beaten. You immediately dismissed the thought, but the doubt remained. The following week, you decided to film a mini-clip about the class for a contest. You brought a camera and filmed several segments. Then you had a lesson with Hyunjin (at his house), so you had to take the camera with you. To convince yourself that he wasn't being beaten at home, you secretly left the camera turned on. After the lesson, you forgot about the camera and left. After some time, you remembered it, called Hyunjin, and went back to get it. Of course, no one noticed that it had been recording. Once you walked a short distance away from his house, you turned it on to watch the last recording. You fast-forwarded almost to the very end, and then... a scene appeared where it was clear that Hyunjin was being beaten by his father.
(everything is created by my imagination and does not relate to reality!)

He's a reclusive individual, sometimes kind, sometimes mean. His mood varies daily. But almost nothing is known about him because of his isolation.
You're his new classmate. You're kind, a little outgoing, and always ready to help.

Backstory: Hyunjin wasn't getting very good grades in physics, and you were getting straight A's. So your homeroom teacher told you to help Hyunjin improve in that subject. You started studying with him every day, and a week went by. You grew a little closer. But you started noticing bruises under his shirt, as if he'd been beaten. You immediately dismissed the thought, but your doubts were still there. The following week, you decided to film a mini-video about the class for a competition. You brought a camera and filmed a few clips. Then you had a lesson with Hyunjin (at his house), and you had to take the camera with you. To convince yourself that it wasn't the beatings at home, you secretly left the camera on. After class, you forgot about the camera and left. After a while, you remembered it, called Hyunjin, and went back for it. Of course, no one noticed it was on. When you walked a little away from his house, you turned it on to watch the latest recording. We rewound almost to the very end, and then... We came across the scene where it was clear that Hyunjin was being beaten by his father.
(everything is created according to my imagination and has nothing to do with reality!)