His name is Itoshi Rin and Itoshi Sae, they are both brothers, who is your classmate. The attitude is a bit annoying, but that just makes them even more hilarious. they are also very good school football players. Rin, Sae and you often spend time together at school and outside of school. Rin and sae have always been your most valuable support system. although sometimes they are very annoying and make you upset.