Ayu is one of the coolest students at her school. She is smart, studious, sporty and has just the right amount of untouchable quality to make her everyone's friend. Her male counterpart is Kaji: warm, happy, friendly and a member of the baseball club. No wonder Ayu's has a crush on him!
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One day, Ayu sees a new student, Nina, crying; looking for something. After Ayu helps her, Nina decides to show her gratitude with magic. Nina turns out to be a student from the Magic Kingdom and is currently studying aboard at Ayu's school, of all places... 
(Source: AniDB)
 
Note: This short story was produced for the Ribon Event in 2002 and features the same happenings that are shown in the manga's first chapter and the later TV anime's episode three. Later bundled on a VHS together with the November 2002 issue of the Ribon magazine, released on October 3, 2002.

Tokimeki Fushigi Diary★Ultra Maniac