Kiyo, a genius but introverted middle school student, hates going to school and has trouble making friends... until one day Zatch comes crashing through his bedroom window! Zatch is a present from Kiyo's father, who saved the little tot on an archeological dig, and hopes that Zatch will help motivate Kiyo to go to school and make friends. What is Kiyo going to do with this kid Zatch, who suddenly sticks to him like glue?