Synopsis
Miku Hatsune, Luka Megurine, and Zimi Samune share a deep bond of friendship. Under the glow of an orange sunset, the trio seals their commitment to one another with a star-shaped charm they pass around, vowing to remain inseparable. Yet, a sudden tragedy strikes the group, fracturing their connection beyond repair. As the world around her fades into a dull monochrome, Zimi is left powerless to watch time slip away while her friends drift further and further apart.