While celebrating their last night together, high school graduates and best friends Jo and Raissa stumble upon a mysterious portal that transports them to the fantastical island of Nakali. When they discover that the memories of their entire friendship are the price for returning home, Jo and Raissa must race to find a way to leave the island before they forget each other forever.
This engaging series of childhood recollections tells of an unconventional school in Tokyo during World War II that combined learning with fun, freedom, and love. The school had old railroad cars for classrooms and was run by an extraordinary man – its founder and headmaster, Sōsaku Kobayashi – who deeply valued children's independence, and who was a firm believer in freedom of expression and activity.
Based on the best-seller book 'The Little Prince', the movie tells the story of a little girl that lives with resignation in a world where efficiency and work are the only dogmas. Everything will change when accidentally she discovers her neighbor that will tell her about the story of the Little Prince that he once met.