Mia has just arrived at the boarding school she has transferred to, and is feeling nervous. Mia's parents had recently died in an unspecified accident, and her aunt gives her a present that her father had made for her intended as a birthday present before he died. While Mia's aunt goes to take care of some things, Mia examines her present, which a letter from her father describes as a game he made for her. It contains a large book called "The Legend Of Centopia", which Mia remembers from the stories he used to tell her when she was little. Along with the book, the present also contains a bracelet, and a note reading "I am Mia". When she touches the gem on the bracelet, it asks for a password, Mia repeats what was written on the note, "I am Mia".
Mia is transported to Centopia, and finds herself transformed into a pink haired Centopian elf girl. Mia is excited about seeing the world from the old stories she used to hear when she was little, and seeing the different creatures inhabiting the world. The first creature she meets is a Pan named Phuddle, who carries around a strange horn. She then meets Lyria, a beautiful unicorn with a pink mane, whose legs have been tied, and she quickly helps untie the ropes. Mia finds that she can understand what Lyria says, and Lyria arrives Mia ride on her back as she continues to explore.
Mia comes across two other elves, Yuko and Mo, who wonder who she is and why they haven't seen her around before. They're also surprised to see how well Mia gets along with Lyria, as well to learn that Mia can understand unicorn language. They decide that Mia might make an important ally to protect the unicorns from Panthea, who has been capturing the unicorns in order to use their horns to stay young. After an encounter with Gargona, Panthea's second-in-command, Mia is given a friendship ring by Mo so that they can easily find each other and alert each other in case of trouble.
Before Mia gets a chance to see the elf palace, her bracelet begins to glow and she has to return to her own world. When her aunt returns to her room after taking care of some things, Mia is surprised to learn that she was only away for five minutes. Looking down at her new friendship ring, Mia feels more optimistic about her time at her new school.
Tropes
- Chekhov's Gun: When first trying to fly, Mia ends up crashing into a flower that launches her into the air in a puff of pollen. Mia later comes across the same flower when trying to defend Lyria from Gargona, and uses it to alert Yuko and Mo to her location.
- Clingy Jealous Girl: Yuko acts this way a few times when Mo shows particular interest in Mia, and when Mo gives Mia a friendship ring, she takes the time to emphasize the "friendship" part.
- Fountain of Youth: Panthea uses unicorn horns to stay young.
- I Thought Everyone Could Do That: Having just arrived in Centopia and discovered that she can communicate with unicorns in her elf-form, Mia seems to initially assume this is just a regular ability of Centopian elves until she comes across Yuko and Mo and realizes that only she has this particular ability.
- Naïve Newcomer: While Mia already knows a lot about Centopia from the stories she were told when she was little, she doesn't know about Panthea and the threat she and her army pose to the unicorns of Centopia, since they weren't part of the stories she was told.
- Powers in the First Episode: Mia gains her bracelet and book which transport her to Centopia, and gains the ability to talk to unicorns.
- Speaks Fluent Animal: Mia discovers that she can communicate with unicorns, and she's the only elf to have this ability.
- You Can Talk?: When she meets Phuddle, Mia expresses surprise when she learns he can talk. He explains that yes, pans can talk, but they only talk to each other and no one else... before realizing he is talking to someone else as Mia is an elf. Mia promises not to tell anyone she heard him talk.
