Height: 152 cm (4'11")
A first-year at Hasunosora Girls' High School and the youngest member of a family of fishers from Tsuruga. Kosuzu takes on many challenges to find “something she can be proud of.” Although she is a hard worker who doesn't dwell on her failures, she still occasionally looks down on herself. To motivate herself, she yells “Let's gooo!"
She is a member of DOLLCHESTRA, a unit under the Hasunosora Girls' High School Idol Club. Her image color is venus star yellow.
Her hobbies include collecting stationery. She claims to not have anything that could be called a special skill.
