The kingdom of Gemini is attacked by the evil queen Halle. The twin princesses of the kingdom are missing, and so is the important Night Star Box, which has affected planets including Earth. The fairy queen had sent Prince YouLe and Sally to Earth, looking for the Night Star Box with the help of Maggie and Michelle. And the gang found out one of the girls who take dance lessons with Maggie and Michelle, is one of the missing princesses, BeiBei! The mission to find the Night Star Box and the other still missing princess, YaYa, is now on the shoulder of the fairies. Source: Mahou Shoujo Wikia