When the protagonist and Grendel Jinx are forced to work together to try and stop an enemy group, things don't go to plan and they manage to find themselves trapped in a school, where everyone believes they are transfer students.
After the initial shock, the pair gradually get to know their classmates, and things seem to be going well - at least for a short time.
However, it's not long before teachers and classmates alike are meeting violent ends. If neither the protagonist nor Grendel wants to become another casualty, a way out of their predicament is needed.