Beibei is the Princess of the Kingdom of Gemini, along with Yaya. When Queen Halle kidnapped Yaya, Beibei came to Earth and asked Meiqi and Meixue to help her. On Earth, she is the lead singer of the group "Dream Angels," formed by herself, Meiqi, and Meixue.

Beibei is the Gemini Princess's sister, who is very good at singing and dancing. She is very emotional. She will laugh out loud when she is happy and cry out loud when she is sad, which shocks everyone.

After the fairies defeated Gunala, the Evil Goddess, another crisis hit the Fairy Castle!! The magical energy of the world has been devoured by the evil wizards. The Rainbow Flower, the source of the magic power, is soon to wither, and this will destroy the world of Fairy Castle. Only finding the legendary Rainbow Heart Stone and letting it recollect all the essential energy can save the world. To solve this biggest crisis in the history of the Fairy Castle, Prince Youle, Xiaolan, and their new friend Xiaoqian, have to go back to the human world and reunite with Meiqi and Meixue to fight the evil again.<br>
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(Source: Mahou Shoujo Wikia, edited)

The kingdom of Gemini is attacked by the evil Queen Halle. The twin princesses of the kingdom are missing, so is the important Night Star Box, which has affected planets including Earth. The fairy Queen had sent Prince You Le and Sally to Earth, looking for the Night Star Box with the help of Maggie and Michelle. Then the gang found out one of the girls who takes dance lessons with Maggie and Michelle is one of the missing princesses, Bei Bei! The mission to find the Night Star Box and the the still missing princess, Ya Ya, is now on the shoulder of the fairies.
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(Source: Mahou Shoujo Wikia, edited)

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