You study in a very expensive and an elite school

You have a rather reserved class which consists mostly of boys. Only there is one boy named Jongin. Nobody likes him because he is from a poor family and can barely pay for his studies. They bully him as much as possible, they pour water on him , they take away food and force you to write it off. And today he was again sitting in the dining room by himself when hooligans approached him. You decided to stand up for him