"Sacrificial Classroom" is a violent drama set in a school. Newly appointed female teacher Shiina Mika is popular with her students, adored like an older sister. However, her actions to stop the bullying of Utsumi Ayumu, an outcast in the class, incur the wrath of the female principal. After being brutally raped, Mika is left in a state of physical and mental ruin. Ayumu becomes a plaything for the male students. A never-ending storm of violence and abuse sweeps through the classroom.