Naoko Serizawa (芹澤直子 Serizawa Naoko ) is a first year high school student and a member of the Woodwind Club. Naoko seeks to become a professional clarinetist.
Naoko has short dull green hair with bangs and blue eyes. She also wears rectangular glasses and is commonly seen in her school uniform.
A first-year student. She is a clarinet player who dreamed of playing professionally until she started losing her hearing. She has completely lost the hearing in her left ear and is partially deaf in her right ear as well. She was the only main character who didn't actually join the brass club, only being a supporter of the group and one of Chika's music mentors. However, she eventually joins after watching them at competition.
|First Year Students||Akari Gotō • Kaiyuu Hiyama|
|Second Year Students||Haruta Kamijou • Chika Homura • Naoko Serizawa • Misato Asou • Yaeko Fujima • Nagoe Shunya|
|Third Year Students||Miyoko Narushima • Keisuke Katagiri • Kae Asahina • Sae Asahina • Maren Sei • Hinohara Shuuichi|