Daughter of the Yashiro Commission's Kamisato Clan from Inazuma. Ayaka is a kind-hearted girl with a pleasant temperament who treats others with politeness and courtesy. She holds the people of Inazuma dear to her heart and often goes out of her way to personally assist in all kinds of matters; being a member of the Yashiro Commission. Her dedication often moves people, and those close to her gave her the honorary title of Shirasagi Himegimi.