Yumei Katana, a ninja-in-training who often saves the world while attending an ordinary high school, decides to take a break and visit her aunt in Hawaii, but assassines, bullies, and sweethearts make Hawaii even more dangerous than home.
Most people travel to Hawaii to escape from the craziness of their lives fora while, but from the moment ninja-in-training Yumei Katana arrived at theairport, she knew this was no vacation. Klutzy assassins, philanthropist bulliesand even the landscape itself seem to be out to get her. Now she has to go to aschool full of people who are trying to date her, kill her — or both,while still attempting to pass her next test! Plus, the son of Thor's gettingsweet on her, Loki's daughter's falling for her enemy and two misguidedvalkyries are only stirring up more trouble. What's your typical ninja girl todo?