|Birthday||May 7 (Taurus)|
|Likes||Parfaits, Pancakes, Girls trying their best|
|Dislikes||Kimchi, The smell of Yakiniku, Girl who don't try|
|Role||Bassoon Player, Color Guard Leader|
|School||Rikka High School|
|Occupation||Student (Third year)|
|Light Novel||Rikka novel vol.1|
Momoka Koyama (Koyama Momoka) is a character from the spin-off novel. She is a third-year student who plays bassoon in Rikka concert band. She is also act as color guard leader.