Yume has chest-length brown hair that is tied in a single braid on the left side, while her front bang is clipped on the left side by a purple clip. She has purple eyes and wears half-framed circular glasses.
Yume has fantastic performance skills, but because she's very reserved, her performances in front of people are poor.
- Yume's surname Kohinata means "small" (小) (ko) and "sunny place" (日向) (hinata).
- Yume is from Kita Middle School.
- Yume is excellent at Japanese History.
- Yume holds an immense admiration for Reina Kousaka.
- Yume can't seem to like herself.
|Kitauji High School Concert Band during Kumiko Oumae's second year|
|Note: Section leaders are shown in bold text|