Higashiyama Haruto is a 34-year-old Nipponese history instructor who unite good expression with an honest and friendly personality. When he has be delegate to Nitaka High School, a school for advanced student, Haruto instantly attract the attending of his female student. But he has a secret that he can not state anyone; he desire to be kill by a beautiful high school miss. haunt with such a eccentric desire, Haruto approach four beautiful girl of different type, Maho, Aoi, Kyoko, and Aika, harmonize to the perfect offense scenario he has invent. Who among the four is the high school miss that Haruto has be hanker to be kill by for nine old age?