This anime told a story about three junior high school girls which are brought together by fate when they hear a voice asking them to save the world. The land that calls them is named Cephiro and the voice belongs to Princess Emerald. She stands as the pillar whose will maintains the peace of this magical world where belief is power. But the peace in Cephiro is now threatened as Princess Emerald is imprisoned and monster begin to invade the peaceful land of cephiro. With her last bit of strength, the princess summons forth the three girls who must fulfill their destiny to become the Magic Knights in the hopes of saving her world. This Japanese animation has good adventure story and character design. The best thing in this anime is the Mecha (giant robot) design.