Tobio Kageyama (Japanese: 影山かげやま 飛雄とびお, Kageyama Tobio) is the deuteragonist of the Haikyū!! series. For the majority of the series, she is a first-year student at Karasuno High School and plays as the starting setter for the girls' volleyball club. She was chosen to train at the All-Japan youth training camp during her first year of high school and joined the V. League as soon as she graduated. She became a part of Japan's national volleyball team at the age of 19, participating in the Rio Olympics in 2016. In November 2018, she was playing as a setter for the Japanese V-League Division 1 team Schweiden Adlers. Currently, she is a member of Ali Roma, an Italian professional team in Italy's Serie A.