Yuyu Haya

Yuyu Haya is a student at U.A. High School. It is currently unknown what class she is in.

Appearance
Yuyu has short, cropped hair of an unknown color. She wears the female school uniform without the jacket and rolls up her sleeves. She also wears tights underneath her skirt, and two plain-looking bracelets on her right wrist.

U.A. Cultural Festival Arc
Yuyu is seen helping Nejire prepare for the Cultural Festival.

Nejire Hado
Nejire and Yuyu seem to be close, and Nejire cites Yuyu as the reason she originally entered the yearly Beauty Contest. Yuyu is later seen helping Nejire prepare for the Cultural Festival. Yuyu and Nejire also appear to have matching bracelets.

Yuyu's Character Profile reveals that she is is Nejire's best friend, and that she thinks Nejire is the "cutest thing in the galaxy".

Triva

 * She dyes her hair and has several piercings.
 * She likes all things that are cute, which includes Nejire, a reference to their relationship.