The protagonist saves a dog from a traffic accident on his first day of high school but ends up breaking his legs. He misses the first couple of months of school and when he joins school again, the students have already settled in and have their own groups. Our protagonist once again becomes a loner. He is not complaining though, he is actually fond of it as it gives him more time to do his personal chores and improve his skills without having to help anyone out. He eventually meets the girl, Yuigahama Yui , whose dog he saved, but only the girl recognises him. Weeks later when he finds that out from someone else, he begins to suspect that Yui is nice to him because of her guilt over the accident which was caused by her dog. He confronts Yui the next day and says that she doesn’t have to feel guilty because of the accident, He did what he thought was right and that he would have been a loner even if the accident had not happened and there was nothing that she could do to ...