What if the Kisaragi Group never made it back alive and died in the haunted school? What if a new group of students and their teacher from another school close to Kisaragi ended up becoming the new victims for Heavenly Host? Let's follow this gruesome tale as another Shinozaki and his friends perform the ritual of the Sachiko-Ever-After Charm and sends them to the darkness below. What soft of dark tragic fate does Heavenly Host have for these unlucky souls? But that's not all....one of the students knew about Sachiko's curse and failed the ritual on purpose?! Friendship will be tested...But the real question is...Who sent them there...???