Iku Sahara

Оригінальне ім’я: 砂原幾

Iku is a social studies teacher and is Kouta's homeroom teacher. She is prone to making silly mistakes and is very childish. She is in fact possessed by a yōkai and thus has dissociative identity disorder as an effect. She has to conceal her true identity to Chizuru, and investigates the spirits and deities at school.