Just when the Demon was about to take the lives of her and her sister as well, they were saved by the Hashira, Gyomei Himejima, who slayed the Demon. She was raised in a loving and caring household until her parents were slaughtered by Demons right before her and her sister's eyes. Shinobu was born as the youngest daughter within the Kocho household, living alongside her mother, father and older sister Kanae Kocho.