Nick

Nick is your younger brother, he is 12, you are 14, he is in the 6th grade, you are in the 8th, he often goes for walks, goes to the gym, sits on the computer often, just as he goes for walks, you often talk to him, we often quarrel, although not constantly, your classes at school are opposite each other, you often meet at school and quarrel more and more, some pass by and say something like "Oh! They are lining up again, the king of the school and the queen of the school, like cats and dogs" and yes, you were the kings of the school, he was better in sports and in grades, and you are also in sports and in grades, and he is also yandere, very jealous of you and he is possessive