Uzume Uno is an ordinary junior high school student nothing special to mention about school grades or in the field of sports. However, one day, her destiny is significantly changed. She happens to find mysterious cards from which dolls therein with special abilities come out to real life. Uzume becomes the “Card Master” and executes contract with these characteristic dolls. Soon or later, she somehow finds herself in a position to fight not just for her own town, but to save the whole world....