Nina Sakura, a young, clumsy witch travels from the magic kingdom to collect the five holy stones to win as the princess candidate, competing with her childhood friend,Maya Orihara. But eventually, she develops new friendships in this world with people like Ayu Tateishi, Kaji Tetsushi, Tsujiai Hiroki. She also helps Ayu and Kaji to form a couple.Then she faces the dilemma, whether to stay here or return to the world she belongs to.

Nina, a young girl from the Magic Kingdom, is a candidate for princess. She travels to Earth to search for Holy Stones required for her to be qualified as a candidate. On Earth, she meets Ayu Tateishi, who right away discovered her magical powers and who eventually became her best friend. They continue their friendship as Ayu further learns about Nina's mission. Finally, she collected the 5 Holy Stones. However, a dilemma then came: Nina cannot decipher on what road will she take -- to become a princess, or remain on Earth with her friends.