Mitsuo Hanadate is a first-year student at Toudou University Sagami High School and a member of its rugby club. He plays as a right wing, wearing jersey number 14. Hanadate first began playing rugby in middle school, where his team faced off against the prodigy Miyuki Atsushi in the prefectural semi-finals during their third year; Miyuki’s team won that match. This early encounter established a connection between the two players. As a winger, Hanadate operates on the offensive front, using his speed and positioning to support the ball carrier and create scoring opportunities. His background as a middle school player who entered high school with prior competitive experience suggests a foundation of skill and determination, though specific details of his personality, deeper motivations, or arc of development are not extensively documented in available materials. Within the story, he serves as a supporting member of the Toudou Sagami rugby team, contributing to their matches as a first-year regular. His key relationship is with Miyuki Atsushi, a rival from his middle school days whose superior play left a lasting impression on him. No further information is available regarding his notable abilities outside of his position and physical attributes—height of 164 cm, weight of 62 kg, and a birthday of July 12.