The 30-minute film centers around a group of high school nurses called Himeyuri who served during the Battle of Okinawa during World War II. The Himeyuri Alumnae Incorporated Foundation, which runs the Himeyuri Peace Museum in Okinawa, produced the film with the aim to convey the experiences of those high school nurses, many of whom lost their lives during the battle, to children.

Shin Hazama has shut his heart ever since the mysterious and sudden death of his mother during his childhood. With his scientist father occupied with research, he can only rely on his childhood friend, Kotori Izumi, the popular and good-natured daughter of his father's employer. At the end of their third year of high school with graduation right around the corner, Shin and Kotori finally begin to move forward together, both in life and in love. Everything falls apart again when Shin's father also suddenly dies. But before things can settle down, he and Kotori learn the secret behind his parents' sudden deaths when they encounter agents from a high-tech dystopian Japan existing in a parallel universe. Among them is Jin, Shin's "relative self," who is working against the humanoid weapons Miko and Niko. As the lives of relative selves are linked, Jin has two objectives: defend the vulnerable Shin to protect both their lives, and assassinate Kotori to end the ironclad rule of her relative self, Princess Kotoko—his mortal enemy and the killer of his parents. Confronted with this new reality, Shin and Kotori must honestly face their feelings for each other, even if the world as they know it will end tomorrow. [Written by MAL Rewrite]

The 2nd PriPara film, unlike the first this shown in stereoscopic 3D.

There is Earth, our familiar world, and then there is the Black World, a parallel dimension that very few people are aware of. For centuries, a pact between the two worlds has been observed to maintain peace, and terms must be negotiated and renewed soon to continue relative harmony. This time around, there is a militant faction that will stop at nothing to prevent the signing of a new treaty for inter-dimensional peace. Two agents of the elite organization known as the Black guards—defenders of the balance between the two worlds—are charged with ensuring the success of the treaty. Director Yoshiaki Kawajiri (Ninja Scroll) blends stylish eroticism, graphic horror and pulse-pounding action as these two race to consummate the peace treaty in time. (Source: AniDB)