Steyr AUG is a supporting character in the series Upotte!!. A member of the student council. She is one of Funco's classmates. Just like her namesake weapon can change barrels for different uses, Agu has two personalities: one with short hair, timid and friendly and another with long hair that is aggressive and imposing.
- She has a crush on Funco.
- Both of her personalities have their own issues regarding Funco, and while one is too shy to approach her, the other usually leaves her scared.