|Japanese name:||千石 千尋|
Chihiro is the dorm teacher of Sakura Dormitory and an art teacher of Suiko. Despite being a teacher, Chihiro is lazy and often gives Sorata improper advice. She is Mashiro's cousin and is the one who arranges the transfer, but she forces Sorata to take care of Mashiro due to her laziness.
Voiced by: Megumi Toyoguchi