 Both Tatsuhiro and Misaki, however, have a tendency of over-doing things, such as hiding the truth, especially from each other and themselves.Despite Misaki's offer and pressing attempts at salvation, it is Tatsuhiro's neighbor and high school friend, Kaoru Yamazaki, whom Tatsuhiro often turns to in moments of need and support.Despite his own idiosyncrasies, Yamazaki is one of the more stable characters in the story.