式神

The core game bible and parity target: the prologue, eight eras, Giltfall between worlds, and both endings. Previs provides each section's target images; the campaign storyboard shows its approach, release, held play and exit. The ship is Shirasagi, ship 1 from the ship lab. It's a Treasure shoot-'em-up with NieR's camera, Gradius V's sweeps and a few Star Fox rail runs, jumping back and forth through Japanese time like Chrono Trigger. Updated 15 October 2026. Design: PLAN.md. Runtime acceptance: GOAL.md §2.4. The section storyboard is the selected direction; older concept galleries are references. Paintings set direction; they do not mean the game already matches.