Shimajiro and his friends set out on an adventure to the Magical Island. Spring comes every year but, for some reason, it did not come this year, and the wizard Aura and the villagers were in trouble. Shimajiro and his friends help try to bring spring together.

Kirari, a elementary school student who lacked confidence and always spent her days alone. She loved drawing, and her sketchbook was the only friend she could open up to. One day, she woke up to find a mysterious girl who had appeared and forcibly dragged her out into the outside world. As she experienced new sights, new experiences, and a series of colorful firsts, changes began to take place in Kirari's heart...

Green Leaves Entertainment is a tiny production company on the verge of going out of business in Sendai, Japan. The agency once managed the careers of magicians, photo idols, fortune-tellers, and other entertainers, but its last remaining client finally quit. Faced with having absolutely no one to represent, agency president Tange thinks up a plan to produce an idol group, forming the seven-girl group known as the "Wake Up, Girls".

Living by the sea, protecting the sea, and journeying across the sea…They’re the BLUE MERMAIDS! Because of a shift in tectonic plates around 100 years ago, Japan lost much of its area to submergence. To preserve Japan’s territories, Coastal Cities sprung up, one after the other. Eventually, they became Marine Cities, and along with the expansion of sea-lanes to connect them, the need arose for a sizable staff to protect the seas. At the same time, maritime jobs were becoming more popular among women. Hence, the BLUE MERMAIDS had become every female student’s dream job.

Second of the two-part theatrical Wake Up, Girls! sequel, directly following The Shadow of Youth.

First of the two-part theatrical Wake Up, Girls! sequel.

The last live performance of the voice actress unit "Wake Up, Girls!