Arisu Sakayanagi

Arisu Sakayanagi is one of the class representatives of class 1-A along with Kōhei Katsuragi. She suffers from which limits her physical ability.

Appearance
Arisu is a petite teenage girl with lilac colored hair and violet eyes. She wears a black beret on her head with a gray ribbon connected to it and wears the standard school uniform. She often walks with a cane due to her health condition.

Personality
She appears to possess a "go with the flow" attitude as she accepts most situations with no protest. Unlike Kōhei Katsuragi, who has a conservative stance, Arisu possesses an innovative attitude. Together, the pair effectively lead class A through the school years.

Plot
Arisu and several student are being talked to by the student council president about how much of the school system.

She is next with Katsuragi in the hallway looking at the scores of each class before commenting on how Kakeru Ryūen's are very boring.

One day, while out in the courtyard in the rain she and her followers meet Kakeru. While her group prepares for a fight, she stops them by speaking to Kakeru who remarked on how it looked as if she established her rule in the school very quickly. He swore to her that he will take down all the classes including hers so that he could rule the school. She simply smiled at his declaration remarking on how he's making things interesting for her before agreeing with his previous statement.

Trivia

 * She was mentioned to know Kiyotaka Ayanokōji and his past in the light novel.
 * This makes her the first person to know about Ayanokōji's mysterious past.
 * Her name, Arisu, can be pronounced as Alice in English.
 * According to Honami Ichinose, Arisu is one of the people Class B should watch out for.