Hazuki Katou (Hibike Euphonium!)

Height: 155 cm
Birthday: February 13
Zodiac: Aquarius
Blood type: A
Instrument played: Tuba

Kumiko's classmate. She was in the tennis club in junior high school, and is a beginner in music. She admires the trumpet and joined the brass band club, but ended up playing the tuba. She's a bright and perky mood-maker.