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.

Hiwa Natsunagi is a high school student living in Iwaki City, Fukushima Prefecture. Worried about what to do with her life after graduation, she spots a poster for Spa Resort Hawaiians the “Hawaii of Tohoku” the place where her sister Mari used to work and applies to their new dancer (hula girl) campaign on a whim. Despite her lack of experience, Hiwa is accepted for the job, and starts on the path towards becoming a Hula Girl with her classmates, Kanna, Ranko, 'ohana and Shion. However, unable to keep in step with one another due to their differing personalities, their first stage ends in disaster. Called the “most pitiful rookies ever” the girls are disheartened, but they learn to share the good and bad...and strengthen their bond despite the occasional fumble. With their hearts and minds firmly set, the girls grace the stage once more.

Doraemon, Nobita and his friends go to find Utopia, a perfect land in the sky where everyone lives with happiness, using an airship having a time warp function.