This is a show about two people who don't fit together learning they have to anyway. Escha's optimism and Logy's detachment aren't obstacles to overcome, they're the actual solution, the reason the town survives the contamination crisis instead of falling apart. Twelve episodes is almost nothing, but the show uses every frame to prove that alchemy works best when someone idealistic partners with someone skeptical, and that salvation often looks like showing up to work with the right person.

Escha lands her dream job in the Research and Development department of her frontier town's Alchemy division, a step toward exploring the ruins that float above her home. Her new coworker is Logy, who studied the latest alchemical techniques in the research city of Central and asked to be transferred to this understaffed town. The two seem like complete opposites. When contamination and pollution start threatening the farmlands, Escha and Logy must work together to track down the source, and they promise to put their alchemy to use side by side. Behind their work lies a dying world where people are trying to recover lost alchemy before the twilight reaches its end.