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,but from the moment ninja-in-training Yumei Katana arrived at the airport, sheknew this was no vacation. Klutzy assassins, philanthropist bullies, and eventhe landscape itself seem out to get her. Now she has to go to a school full ofpeople who are trying to date her, kill her — or both — while stillattempting to pass her next test! What's your typical ninja girl to do?