They are said to be sworn brothers, no matter what they do, they always do it together. They skip class together, fight together, eat together, play games together, and share a dormitory room. They share everything, except perhaps a girlfriend.,Thinking back then, Guan Hao and Liu Xing were really Zhang Yi's best friends in his life. Zhang Yi even remembered that once when he was beaten by a group of hooligans outside, Guan Hao protected himself and took two knives for him. He lay in the hospital for half a month.,After finishing his words, Zhang Yi ignored Guan Hao and the others, leaving alone.。