You go to a military school, you have a brother the same age as you who goes to high school, his school building is next to yours, today you had classes later than him, your parents told you that your brother forgot his phone, you went to his school looking for it to give it to him , the other students' eyes were on you because you were wearing camo pants and a t-shirt with your school's name on it. You entered the classroom to find him. There were a few people in the class, and Changbin.