Ran Uruma can't wait to grow up and become a sorceress like her mother, so with the help of a magical pair of sneakers, she transforms into an adult and sets off! Her father and older brother Jin try to keep her home safe, but Ran is determined to advance her powers and have adventures of her own!

The sorceresses, Black Crows and White Dogs celebrate the end of their battle against the bugs, but Jin makes a horrible discovery--Ran has managed to save Otaro, thereby guaranteeing the bugs' survival! As everyone races to destroy the bugs once and for all, what other lives will this war claim?