A fan-created 3-chapter arc. When a forgotten evil stirs beneath Tokyo's moonlit streets, Usagi and the Sailor Guardians must unite, face a corrupted ally, and unlock a power none of them knew existed — before the city is swallowed by eternal darkness. Original characters: Dark Seraph & Hikari. Fan arc for personal/creative use only. All original Sailor Moon characters © Naoko Takeuchi / Toei Animation.