Deep in a forest there existed an old European-style building made of brick. It was an all-girls' school attended only by girls from good families. One day the school was covered by a mysterious thick fog caused by an earthquake. Orc soldiers emerged from the ominous fog. The schoolgirls were attacked one after another by these brutes from a parallel world. The girls' resistance was futile; they were crushed by the powerful orcs. Rape and death, only tragic screams echoed through the school. Why...