The sports-loving field captain of the Countermeasures Committee of the Abydos High School. Shiroko is a girl of few words and shows little emotions alike. She may seem aloof with her appearance, but deeply cares about Abydos High School the most.Shiroko is a soft-spoken girl, who deeply cares for her friends, to the extent that she would do anything to help her friends towards their goal of revitalizing the school. Though she is generally calm and reserved.