Aira Hirasaka is a student of Naraka High School and a member of Class 1. She is close friends with Momiji Rokudou. Her roommate is Noa Shinohara. Aira has red eyes and hair. She keeps her hair in a style that resembles cat ears, and keeps the rest into two ponytails. She wears the standard Naraka High School uniform. Her character is located on her right hand.