Kousaka Reina is a character in [[Hibike! Euphonium]]. She is a highly skilled [[trumpet]] player in Kitauji High School's concert band. She joins in the same year as [[Oumae Kumiko|Kumiko]], and the two form a close friendship.

Reina has [[long hair|long]] [[black hair]] and [[purple eyes]]. She often wears [[black thighhighs]] with her school uniform. Reina has a serious, driven personality, which intimidates Kumiko at first. She aspires to be a professional trumpet player.
高坂麗奈