Kaori Hasegawa (長谷川 カオリ,Hasegawa Kaori?) is a homeroom teacher at Tendo Senior High and a previous victim of Heavenly Host High. She is one of the protagonists of Zero Hope.
Blessed with both brains and beauty, Kaori is a hugely popular instructor, having been assigned a homeroom of her own despite her recent start as a teacher. She is infamous for her ghost stories, which she is always willing to share with students who are brave enough to remain at school on rainy nights.