Also known as: 黛冬優子, FYK, Fuyu, あさふゆ, 冬优子
An idol girl from Idolmaster Shiny Colors with a more complex personality than initial appearances. She is a member of the unit Straylight (Idolmaster).
A girl always with a mild smile, and seemingly pure. She behaves in ways to be liked by people, such as liking cute things and being considerate of her surroundings. First-year at a vocational school.