Student Council President and Turtle Team's commander/radio operator, who is manipulative, childish and carefree. She forced Miho to participate in Sensha-dō, saying that if Miho did not, she would see to it that she would not be attending the school next year. Later, it is revealed that she did this because the school is at risk of being closed should they not win the tournament. She is often seen eating dried sweet potatoes.