A manner movie collaboration between and which was shown before theater screenings of .

Alicepia, a land of wonder that has existed somewhere in the world since ancient times, was once home to loving inhabitants known as the Alicepians. Their peaceful lives were disrupted when a mysterious monster, Jamaock, began to appear, threatening the sparkling brilliance of their homeland. If nothing is done, Alyspia will lose its radiance forever. This is the story of the "Princesses," whose unwavering songs of courage and hope shine even in the darkest times. A pop-song fantasia filled with energy and bravery -- Princession Orchestra!

In the distant future, humans create a robot named MIRU capable of traveling through time, visiting various eras, places, and even parallel worlds. Unlike some robots, MIRU isn't equipped with weapons. Instead, it helps people overcome immense obstacles peacefully, encouraging new beginnings without violence. MIRU continuously evolves by interacting with people, learning and growing to assist those struggling to survive. It listens to their problems and offers support. By helping others, MIRU sets off a "Butterfly Effect," of dramatic change guiding society toward a brighter future. Why was MIRU created? What is its purpose? Can it save the Earth and humanity from a dystopian future?

Lee Sori, a polite and righteous girl, attends a middle school plagued with bullying. Enraged by the tragic effects it has had on her friend Kim Julie, she decides to take a stand against the bullying. Unfortunately, this only leads the bullies to switch their target to Sori. Believing a new environment would rid her of the hopeless situation, Sori returns to the city she used to live in and transfers schools. However, the traumatizing experiences that constantly haunt Sori's memory cause her to alienate herself from everyone else. Just as the grim reality of Sori's circumstances begin to set in, she discovers a mysterious letter taped under her desk. While the contents of the letter intrigue her, they only lead her to another letter. Now following a seemingly endless trail of messages, Sori is on a scavenger hunt to find the true purpose of these letters and the anonymous person behind it all.