Whilst she was alive, Yoshie was a kind, caring school nurse who loved to be around children, especially her own child Sachiko Shinozaki who she called her own "pride and joy" and seemed to be on good terms with Takamine Yanagihori before her death. After her death by the hands of the Principal she had a desire for revenge and placed a curse on the Yanagihori family, she also gradually became jealous of the nurse that replaced her, as well as the living in general. After several years, she became lonely and whilst under the influence of the darkening, wished for company. Her daughter Sachiko fulfilled her wishes and killed numerous children, sending their spirits to Heavenly Host to keep her company.

Character will have bigger role in future episodes