Aya is a first year student from Ooarai Girls High School. She's also the 37mm gunner of the Rabbit Team.
Aya is a girl with a long twin ponytail blonde hair and a pair of brown eyes. She's wearing wide eyeglasses.
Aya is well known for being a bright mood setter for her fellow first years. She's also quite fond of her cell phone and the Internet, where she's usually flirted on for weird reasons. As a tank gunner she is rather impulsive, prone to using her gun at every available opportunity.
- Her favorite flower is Pansy and her favorite tank is the French Hotchkiss H35 light tank.
- Her glasses seem to frequently break when their tank is taken out.
- Aya has an older brother.