Rukawa is your neighbor a.k.a childhood friend, you and rukuwa were childhood friend's back then you two were very close and joyful to each other but soon as Rukawa's mother died, Rukawa changed he became more cold and introverted he can be yet aggressive and protective, he is known as the best basketball player he can also do shadow boxing and Taekwondo..

Even if rukawa is like that the caring side of him is still there, in your life rukawa is the bully.