Chiaki Hirakawa

Hirakawa Chiaki is a student of First High School, a Course 2 student, and the younger sister of Hirakawa Koharu, who was one of the representative auxiliaries of the AD 2095 Nine Schools Competition. Chiaki blames Tatsuya for the incident that occurred during the Nine Schools Competition Mirage Bat match. That incident made Kobayakawa Keiko lose her magic powers. Her older sister received a shock, which weakened her mental state, leading to her withdrawal from the Thesis Competition. Chiaki believes that Tatsuya could have stopped it from happening. Ever since, she has nursed a grudge against Tatsuya, and ended up helping terrorists in order to "make him show a regretful face", although her plan did not work. She was spared imprisonment (hacking is a crime) by Tatsuya's intervention.