subject_definitions: <Subject 1> is the black-haired female silhouette in <Picture 1>, featuring luminous eyes with slitted black pupils that glow like embers, and long flowing dark hair that becomes part of the swirling sky. She is rendered as an ethereal, shadow-shape within a cosmic backdrop, her form merging with the mealstrom around her as she becomes the anchor of the scene’s mood and movement. summary: [reference generation] Generate a five-second cinematic poster loop where <Subject 1> undergoes a sharp light-to-dark inversion; <Picture 1> defines her look and the cosmic landscape, while the prompt drives the sudden flash-triggered reversal that shifts texture and color while keeping the silhouette and eye design constant. retention_analysis: <Subject 1> (appears in [Shot 1]-[Shot 5]): fully_preserved — maintain the same glowing eyes with slitted pupils, black hair shape, shadow-body mass, and cosmic halo throughout all shots. <Picture 1> (visual style anchor): weak_reference — the purple-gold nebula hue, lettering outline glow, and cosmic atmosphere are echoed but not duplicated as literal objects. detailed_description: A cinematic movie poster style in 9:16 with electric lettering and cosmic color palette. The loop runs at roughly 120 beats per minute with sudden dynamic jumps. [Shot 1] The opening frame presents <Subject 1> centered, black hair streaming upward into a swirling violet nebula. The glowing text floats behind her shoulders. The camera holds a static shot as the hair drifts gently, stars twinkle in the distance, and the eyes emit a soft ember-pulse. [Shot 2] At 00:01.500, the shot switches to a tighter medium close-up framing her face and shoulders. The hair’s motion quickens, curling into cloud-like tendrils that ripple in sync with the ambient nebula flow. [Shot 3] At 00:02.500, The pupils, black slits, flare like molten sparks as the surrounding iris swells with a second of pure white light. This is the inversion trigger. [Shot 4] At 00:03.500, The ambient color inverts instantly: the purple gold sky bleeds into charcoal blue, the lettering glow shifts to a cooler teal-blue, and her hair hardens into velvety ink. Her eyes stay bright, a pinpoint of warmth against the darkening scene. [Shot 5] At 00:04.500, the camera pulls back with slow speed to the original medium-wide composition. The color field cycles back, purple-gold returns, hair regains its gaseous glow, and the cycle is ready to loop seamlessly. overall_soundscape: Deep sub-bass thrum beneath all shots, mixed with low cosmic wind and distant cracking of nebular clouds. Hair ripple in [Shot 2] makes a soft whoosh; the eye-flare in [Shot 3] is a high-tick snap; the color inversion in [Shot 4] is a crackle-pop like an old camera flash; the return in [Shot 5] is a gentle chime that fades as the loop repeats. non_diegetic_music: Non-diegetic electronic score: deep synth-bass pulse, a single crystalline chime hit at each inversion moment, sparse arpeggiated pads. No lyrics; no diegetic instrumentation; music is an atmospheric counterpoint that emphasizes sudden dynamic leaps.