In a far‑off era, a novel entity known as Houseki emerges. The 28 Houseki must confront the Tsukijin, who aim to seize them and transform them into ornaments; consequently each gem receives a function such as warrior or healer. While she dreams of battling the lunar beings, Phos initially lacks a role until their overseer Kongo requests she edit a natural‑history publication to mark the first volume's release, a promotional clip highlights this story.
Studio Hibari Japan