What could be harder than saving an empire from oncoming calamities and escaping the looming threat of a bloodthirsty revolution?

Doing all that while keeping up with your social life at a new school! And if that wasn't enough, some of Mia Luna Tearmoon's classmates are her greatest enemies from the timeline she was executed in! Plus, she needs to find a partner for the school dance without provoking the ire of anyone important in the process. What could possibly go wrong?