24 Of My Students In My Class Died In One Night24 of my Students in my Class Died in One Night; 私のクラスの生徒が一晩で24人死にました; Watashi no Class no Seito ga Hitoban de 24-nin Shinimashita

What happened in the classroom that night !? Kitahara, the Nanjo High School homeroom teacher of class 2-C, is involved in an unbelievable incident triggered by the disappearance of a female student, Tomoe Miyata... What happened to those 24 students and who is behind this horror?!