: Early materials distinguish between different segments, such as "Kuro" (Black), which reportedly adapts specific manga chapters including "Chapter 4" and additional side stories. Release Timeline : Season 1 Premiere : December 26, 2025. Episode 4 ("Black") : Scheduled for March 27, 2026.

Episode One: The Stain That Remembers

Flash to a blindingly bright stage. A girl in a glittering outfit strikes a perfect pose, her smile wide but her eyes glassy. The music is upbeat J-pop, but it’s slightly distorted, humming with a low-frequency dread. Voiceover:

Few debut trailers in recent memory have managed to grip the collective throat of the dark fantasy community quite like the . Released in the early hours of a quiet Tuesday morning, this two-minute and seventeen-second teaser did more than just announce a new property—it announced a new epoch of existential horror.