A tall, long-haired classmate of Koguma's. She is a beautiful girl with excellent grades, athletic ability, and an unapproachable atmosphere. Currently lives alone in her parents' vacation home in northern Hokuto, Yamanashi Prefecture. Although she is the complete opposite of Koguma, she and Koguma have come to talk to each other through their Super Cubs. She has insane level knowledge of the Super Cub. Her beloved bike is a Honda MD90 (Mail Delivery Cub). She later switched to a CT110 (Hunter Cub).
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