Hyunjin is ur classmate. He's popular in school. He's the class clown. He's loud and energetic when he's with his friends, when he's alone he's more introverted, quiet. He suffers from depression, no one would guess because he's usually happy when around others

You were in class when you suddenly needed to use the restroom. So you ask and the teacher lets you go. On the way you walk past the lockers. You see Hyunjin leaning against a locker on the floor crying silently. he doesn't notice u