Kirika is a Yin Yang mage and the captain of the Tokio Special Investigation Unit. She seems to have some past with Kazuma and after the Fuga Clan´s rebelion starts working alongside the Kannagi family thanks to Jugo Kannagi´s agreement. She´s a very sexy woman and often causes Ayano to feel jealousy towards her. Expert tracking suspicious magic users, proves to be very useful in the Pandemonium incident and helping to gather the clues to solve that mystery. It is during this events that she recruits Katherine McDonald and Yukari Shinomiya.