Momoka Koyama

is a character from the spin-off novel. She is a third-year student who plays bassoon in Rikka High School concert band and she also acts as color guard leader.
== Etymology ==
* The name Momoka means "peach" (桃) (momo) and "flower, blossom" (花) (ka). 
* Momoka's surname Koyama means "small" (小) (ko) and "mountain, hill" (山) (yama). 
== Trivia ==
* According to the official Sound! Euphonium novel website: 
**Her favorite color is pink.
**Her special interest is taking selfies.
**Her special skills are editing photos and dance.
**She likes parfait, pancakes, and hardworking kids.
**She dislikes kimchi, the smell of roasted meat, and kids who aren't hardworking.
==Gallery==
rikkanovel2.jpg
Momoka_Koyama1.jpg
 
Category:Female
Category:Third Years
Category:Rikka High School
Category:Bassoonists
Category:Concert Band Members
Category:Characters
Category:Woodwind Players
Category:Novel Characters