A girl named Yumi Prescott, who took Jimmy Kudo's place for being the new famous detective and suddenly turned into a child by drinking a poison and now she is on her way finding a cure to turn her back to her normal self.

Hi there! The names Rose, Rose Robertson. I am a ninth grader on a school called "Norrisville High" and I have great friends as well. Heidi, Theresa, Debbie, Howard and even the most bestest friend of all Randy Cunningham. They boy who was 'determined' to be there for me and cheer me up. Then suddenly some of your relationship grew even more then just friends... Anyways, *I* am not just any ninth grader in Norrisville High. I am the ninth grade assassin! I became a protector from this school to protect the forces of evil with the help of Creed's assassin knowledge! Then suddenly, I team up with another protector of this school. Which was the ninja! So come and join with me on my adventure, action, comedic, and Romantic story of my life! Teehee! Cherry Bomb!