He is much more sensitive and childish than he appears to be; he simply does not know how to control his frustration, and hence expresses his thoughts and emotions in an inappropriate way. After everyone in Kitagawa Daiichi became fed up with him and abandoned his side, Kageyama was filled with genuine regret and developed an intense fear of being despised and mistrusted but refused to openly discuss his problem until Tsukishima confronted him about it. Passionate and dedicated to volleyball.