There is no clear explanation. Miracle Girl is a children's video album, which tells the story of high school students Ma Lina and Ai Jun being chosen as superheroes to protect Paris. Each of them gets a piece of jewelry called Miko Fantasy, and the transformation elves attached to it can transform them into miracle girls and black cat Raul through this jewelry. After a series of adventures, the miracle girl slowly discovered the advantages of Raul, the black cat, and finally became friends.