The comedy series is set in Japan and follows Naoko Watanabe, a typical tween girl aside from the fact that she possesses strange and sometimes troubling powers. When her anger exceeds a maximum level, she turns into Gauko, the fire-breathing dinosaur girl.

The comedy series is set in Japan and follows Naoko Watanabe, a typical tween girl aside from the fact that she possesses strange and sometimes troubling powers. When her anger exceeds a maximum level, she turns into Gauko, the fire-breathing dinosaur girl.

Cinderella is the daughter of a wealthy duke who has remarried to provide her with a mother and sisters. When the Duke travels abroad, Cinderella discovers that her new family is anything but a family. With spoiled stepsisters and a harsh stepmother, Cindrella is forced to cook, clean and manage the household. Yet she remains cheerful, gentle and kind to her family, to her animal friends and to a mysterious boy, named Charles, who seems to have a connection with the prince of Emerald Castle. A whole new story on a classic fairytale. When Cinderella's cruel stepmother prevents her from attending the Royal Ball, she gets some unexpected help from the lovable mice Gus and Jaq, and from her Fairy Godmother.

In the anime, Kuromi is traveling the world, searching for her missing older sister Romina. Throughout her journey, she gains companions, but also brushes up against evil organizations.