Jun Uehara (Also known as Speed Star, simply Jun) is One of the Major Protagonist from Hang on Climbing Girls who is a Student in Hanamiya Girls High School. She is a Classmate of Konomi Kasahara, Nonoka Sugiura and Sayo Yotsuba. She is born to be a Strategic Brute in orders to succeeds Herself to finishes All of the Climbing Races. Jun is also an All times Rival and Heroic Counterpart of Akane Uchimura.