A hurted and desperate Izumo then contacted Maria, indirectly causing the possessed Tamamo's capture while her children were taken into the Illuminati's custody under false promises of protection, unbeknownst to them their mother was being brutally tortured and experimented on.
She then told Izumo to wait for her to come back so they could escape together, but she refused to trust Maria and tried to escape on her own.She was quickly caught and Maria was mercilessly executed in front of the child for her treachery.Despite her cold nature and initially acting arrogant towards others' goals, Izumo occasionally shows truly kindness and consideration towards others, even though she doesn't appear that way.This causes her encourage her friends when they are frustrated, as well as finally recognizing their different priorities.When Shiemi tries to talk to her and falls to the ground, Kamiki just comes out and calls her an "idiot".
During class on Magic Circle with Igor, the class is explained the basic requirements to become a Tamer and are then welcome to find out if they have what it takes.
Though still "dating" their mother once in a while, their father left the siblings since a young age, so they got raised by her mother's fox familiars.
Because of her Demon blood, Izumo was able to see Demons while other children couldn't.
Her eyebrows are the reason why Rin Okumura calls her by the nickname polkabrows. Her outfit is primarily the school uniform, whch consist on a white colored shirt with the red-black school tie is tied with a large bow, tight white thigh highs, a short pink skirt with a black belt, and black shoes.
It is revealed that she wears a push up bra to avoid looking flat-chested.
One night, her suspicions were correct when she discovered her mother had been possessed by the Nine-Tailed Fox Spirit, who then tried to kill Izumo and Tsukumo.