Tags: sports-broadcast obstacle-course video-generation Video Template: Text Parameterized Input: reference_image (image) Input: contestant_height (text) · optional · default: 156 cm Output: generated_video (video) bytedance-seedance banana-ai runway

Japanese Obstacle-Course Live TV Broadcast

Create a realistic 15-second live-TV-style broadcast of a contestant tackling an elevated obstacle course and falling into the water before reaching the landing platform.

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Prompt template

Create a 15-second video depicting an authentic live-TV broadcast inspired by Japanese sports-entertainment obstacle programs from the 2000s to early 2010s.

REFERENCE AND CONTESTANT
Use the supplied reference image as the sole identity reference for the main contestant. Preserve the same clearly recognizable person from the first frame to the final frame: facial identity and proportions, face shape, eyes, eyebrows, nose, lips, jawline, hairstyle and color, skin tone, age impression, and overall appearance. Preserve the outfit from the reference image unchanged in design and color. Natural wet hair and clothing are allowed only after the water fall.

The contestant is ${contestant-height:156 cm} tall, with naturally petite, slim, compact proportions. Preserve her small-height impression and realistic body scale in wide shots, action shots, and camera changes. Do not make her unusually tall, long-legged, oversized, or inconsistent in scale.

BROADCAST LOOK
Use realistic ENG, crane, long-lens broadcast, and ground-tracking cameras; natural broadcast zooms, pans, and subject tracking; subtle handheld motion; early-HD softness; mild broadcast noise and TV compression; realistic stadium lighting; audience reactions; and a tense competitive atmosphere. Use believable anatomy, athletic movement, balance, shoe friction, gravity, rolling-cylinder physics, and water impact.

COURSE AND CONTINUITY
The contestant and moving roller always progress from screen left to screen right. Keep the course layout, water pool, spectator stands, lighting direction, and course direction consistent across cuts. Do not reverse, mirror, relocate, redesign, or teleport anything.

The course consists of a starting platform; narrow, elevated, alternating angled stepping platforms above open water; one large red, freely moving cylindrical rolling-log obstacle; and a small landing platform on screen right, slightly higher than the top of the cylinder. All obstacles are clearly elevated above the water, with a noticeable drop. Stepping platforms are narrow, exposed, separated by visible gaps, and minimally supported—not wide, connected by broad decks, or heavily supported. Keep the open water and fall distance visible.

The red cylinder is not fixed to an axle. It rotates and physically translates forward from left to right above open water. The contestant stays near its upper center and repeatedly steps or runs against the rotating surface, driving the entire cylinder forward. Both contestant and cylinder advance together. Do not depict a stationary roller, fixed axle, mounted roller, static pipe, walking across a fixed roller, or crossing the cylinder's short width.

Keep the central route beneath the moving cylinder as open water. Do not add a floor, bridge, safety deck, runway, catch platform, track bed, or broad supporting structure beneath it. Only small guide structures near the outer course edges are allowed. If the contestant loses balance, she falls directly into the water.

The landing platform is fixed on screen right and slightly higher than the cylinder's top. It is a short upward-jump target, not lower than the cylinder. The cylinder approaches but does not automatically connect to it; the contestant must jump upward from the moving cylinder.

TIMED ACTION
0–2 seconds — ENG introduction: Show the contestant on the starting platform in a natural knee-up broadcast shot. She smiles, gives a small wave, and receives applause. Keep the elevated course, open water, stepping platforms, and spectator stands visible behind her. Make a subtle broadcast push-in. Before the start buzzer, she lowers her hand, looks toward the course, and becomes focused.

2–5 seconds — Crane to tracking: The buzzer sounds and she accelerates. Begin with a high three-quarter crane shot clearly showing the starting platform, narrow alternating stepping platforms, open water, rolling cylinder ahead, higher landing platform on screen right, and left-to-right course direction. Cut naturally to a low ground-tracking camera moving parallel to her. She crosses the narrow angled platforms with fast, accurate, rhythmic footwork; each foot clearly contacts one platform before pushing to the next. Keep her full body visible and the platforms exposed above water. Audience cheering grows louder.

5–8 seconds — Roller entry: Cut to a long-lens three-quarter side angle. She jumps from the final angled platform onto the top of the large red rolling cylinder. The cylinder begins moving forward as she steps against its rotating surface. Keep her full body, the full cylinder, open water below, left-to-right movement, and the higher landing platform on screen right visible. The cylinder visibly rotates and translates forward. She stays near its top center, taking quick alternating steps to maintain balance and drive it forward, with both arms extended. One foot briefly slips, causing a believable wobble; the audience gasps.

8–11 seconds — Side tracking: Track alongside the moving cylinder, maintaining left-to-right direction and following the contestant and cylinder as they advance together over open water. The cylinder keeps rotating and translating forward. She runs in place against the rotating surface to keep it rolling; it accelerates slightly. Her right foot slips backward and her body sways strongly from side to side as both arms move widely to recover balance. Show realistic shoe friction and continuous contact with the cylinder. Keep her face, full body, both feet, rotating and advancing cylinder, open water, and approaching higher landing platform visible. The commentator becomes more excited.

11–13 seconds — Failed jump: Use a low front three-quarter angle from beyond the water. In one composition, show the moving cylinder, contestant, landing platform, open gap, and water. The cylinder rolls close to the platform. She prepares to jump upward toward it, but just before takeoff her supporting foot slips backward on the rotating cylinder. She loses forward momentum and reaches both arms toward the platform, but cannot cover the distance. She falls naturally from the moving cylinder into the open water. Do not show successful platform contact, let the cylinder become fixed or stationary, or cut away before the failed jump is clear.

13–15 seconds — Water impact: Use a wide broadcast shot throughout the complete fall, clearly showing the elevated drop. She falls directly into the water and creates one large, realistic splash. Do not cut before the splash reaches full height. Then cut naturally to a water-level medium shot. She rises above the surface, catches her breath, and smiles with mild frustration. Her hair and outfit are soaked, but she remains clearly recognizable as the same person in the reference image. The audience applauds and cheers while the commentator excitedly concludes the attempt.

Maintain continuous motion across cuts. Do not repeat actions after cuts, reset the contestant or cylinder position, or reverse movement direction. Use clean live-TV cuts and natural broadcast camera movement. No slow motion, speed ramps, cinematic orbit shots, excessive close-ups during obstacle action, fantasy effects, subtitles, captions, on-screen text, scoreboard, TV logo, real program branding, sponsor logos, or watermark. The result should feel like a genuine television broadcast of an original fictional Japanese obstacle competition.

Parameters

${contestant-height:156 cm} contestant-height Default: 156 cm

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