Birthday reversal short Seedance 2.0 prompt

小宇

小宇Chengzi

Author @Chengzilhy

76Likes9.7KViewsJul 23, 2026

Summary

Seedance 2.0 prompt creates a dramatic 10-second 9:16 vertical birthday reversal video in a night park with a champagne fountain and mouth-flame effects.

Prompt

So, let me wish myself a Happy Birthday 🎂 This time, leave it to Seedance 2.0 for even more exaggerated and impactful visuals. BGM:《It’s Raining Men》 ⬇️Prompt： Use the currently uploaded image as the only identity reference for the main female lead—face, hairstyle, body proportions, clothing, and accessories—to generate a real 10-second birthday reversal short video in a 9:16 vertical format. Use the reference image: Left side close-up to lock the face identity and makeup; Middle front full-body to lock front proportions and clothing silhouette; Right side back view to lock back structure, hair length, and skirt train. The gray circular mark on the middle character’s face is only for masking in the reference; in the final output, it is forbidden to appear any gray circular shapes, masks, facelessness, or any face being blocked. 【Style & Camera Rules】 Real smartphone vertical short-video look, night outdoor park. Throughout the entire video, use only: one fixed master shot; one face close-up insert; two hard cuts: enter the close-up, then return to the master shot. Besides that, the camera must remain fixed at all times. Prohibit push-in/pull-out, pan, tilt, tracking, orbiting, whip, and digital zoom. After returning to the master shot, shots 4 to 6 must be completed continuously in the same composition without switching angles. The black-and-white change is a color desaturation in the same moment of the same frame, and does NOT count as a third cut. Shots 1 to 5 run at natural real speed, only shot 6 uses slow motion. 【Scene】 Night outdoor park. The center of the frame is a long bench. Behind it are grass, trees, and a few street lamps; the background is simple with natural night depth. The opening long bench is empty. The fixed master-shot camera position, height, focal length, and composition remain consistent for the entire video. 【Main Female Lead】 Strictly follow the uploaded image to keep the same person, same makeup, same hairstyle, and the exact same outfit—do not redesign the look. When the person moves, long hair, veil, and skirt train must sway naturally with real fabric physics, but the clothing structure, length, and accessory positions must not change. In the first half, the state is natural and gentle. The reversal core is: she originally just prepares to blow out the birthday candles; in an instant, the normal breath becomes a huge orange flame喷流. 【Core Prop & Left/Right Relationship】 The main female lead’s right hand always holds the same green champagne bottle; her left hand always supports the same birthday cake with a lit candle. From the camera’s perspective: The champagne bottle is on the left side of the frame; The cake is on the right side. The champagne bottle mouth is already open from the start, but before the complete downward re-swing action, it must not leak, bubble, or spray early. The bottle mouth can only spray real light-golden champagne liquid, white foam, and liquid droplets/●飞沫. Absolutely no flames, fireworks, sparks, cold flame, silver light columns, or magical particles. The cake must remain level, candles stay lit continuously. The cake must not tilt, fall, melt, burn, or deform. 【Shot 1: Empty long bench establishment, entrance, and sitting down】 The fixed master shot briefly shows an empty long bench in the night park. Then the main female lead enters from the right side of the frame. Her right hand holds the green champagne bottle; her left hand steadily holds the birthday cake with a lit candle. She walks to the center of the long bench and naturally sits down. After sitting, her body is centered in the frame. The champagne bottle is on the left side of the frame; the cake remains stable at chest level nearby. The camera cannot follow her movement. 【Shot 2: Continuous shaking of the champagne】 The main female lead grips the bottle neck tightly with her right hand and continuously shakes the champagne bottle up and down about three times: Raise to near shoulder height → Quickly drop to near waist height → Raise again → Shake downward again → Finish the last clearly visible up-and-down shake. The motion is led by the arm and forearm, with a clear rhythm—like building pressure inside the bottle. Her body and her left-hand cake must stay stable; the champagne must not spray early. 【Shot 3: Hard cut to face close-up, mischievous smile and deep inhalation】 The first hard cut enters a face close-up. The main female lead’s face occupies the main vertical-screen area. Warm street-lamp light outlines her facial contours; the night park background naturally defocuses. Her face must match the master shot and reference image completely. She stops shaking the bottle and looks directly at the camera. Her expression transitions from gentle to a restrained mischievous smirk with a raised corner on one side. Her eyes slightly narrow, with a sly look. Do not show a big open-mouth laugh, do not squint or twist facial muscles. Finally, she clearly takes a deep breath as if preparing to blow out the candles. The champagne bottle and the cake are still held by both hands and remain in their original positions at the bottom of the frame. 【Shot 4: Return to original composition, raise the cake and do a downward heavy re-swing of the champagne】 The second hard cut returns to the exact same fixed master shot as the opening. The main female lead is still sitting in the center of the long bench. With her left hand, she lifts the cake to in front of her face; the cake is slightly lower than her mouth and located on the right side of the frame. At the same time, with her right hand she raises the champagne bottle high, then quickly and cleanly swings it downward: Lift the bottle → Rapidly swing the arm down → The bottle snaps toward the lower-right side of her body → From the camera’s perspective, it ends up stopping in the lower-left area of the frame. She keeps gripping the bottle neck firmly at all times. The bottle must not slip, land, hit the bench, or break. At the exact instant the re-swing finishes, with no pause, both effects start immediately and simultaneously: On the left side of the frame, the champagne bottle mouth sprays real champagne liquid straight upward, with大量白色泡沫 and droplets/飞沫; Meanwhile, she forcefully blows toward the candles—normal airflow instantly becomes a huge orange flame. The flame passes over from directly above the candle and sprays horizontally toward the right side of the frame. 【Shot 5: Color climax—continuous flame喷射】 The main female lead keeps the sitting pose and the action of blowing out the candles; her mouth continuously sprays orange flames toward the right side of the frame. The flame must clearly originate from her mouth airflow, passing over the top of the candles, extending horizontally to the right, and slightly curling/rolling—must not come from the nose, cheeks, the candles, or the cake. Her left-hand cake remains in front of her face and stays level. The candle stays lit; the cake does not melt, burn, or emit smoke. On the left side, the champagne bottle mouth continues spraying straight upward: Transparent light-golden liquid; 大量白色泡沫; fine droplets/●飞沫 scattering in all directions; liquid that naturally falls back under gravity. The bottle mouth and bottle surface show real wet reflections. The champagne must show liquid physics—it cannot form rigid white pillars, smoke, fireworks, or flames. The image forms three clear regions: Left side: champagne liquid and foam; Middle: the main female lead; Right side: the birthday cake and the orange flame passing over the top of the candles. The champagne sprays vertically upward, while the flame sprays horizontally to the right; both extend in opposite directions and must not cross, touch, or overlap. The real flame illuminates the main female lead’s face, clothing, the cake, the long bench, and nearby surroundings; the champagne liquid reflects warm flame light. 【Shot 6: Black-and-white slow-motion birthday poster ending】 When the flames and champagne sprays reach the most exaggerated climax, synchronized with the music’s strong beat, the entire frame instantaneously converts to a fully desaturated pure black-and-white image within the same frame, and it enters slow motion. This is a color change within the same master shot, not a new cut. The main female lead maintains exactly the same pose and continues to spray fire. Champagne foam and droplets slowly drift, roll, and fall in black-and-white slow motion; the flame slowly curls. At the exact moment of the black-and-white conversion, white handwritten English text appears at the top of the frame: Happy Birthday This text can only appear in the black-and-white段落; it must not appear early in the color segment. Slow motion continues until the video ends, and the final frame freezes on the most dramatic climax pose. No reposing, no angle switching, no fade in/out, no white flash, no dissolving, and no gradual black-and-white. 【Sound & Rhythm】 Background music plays continuously the whole time with a clear rhythm. The entrance, sitting down, shaking the champagne, and the downward re-swing action all follow the musical beat. During the face close-up smirk, the music briefly lowers, clearly keeping the deep-inhale sound. During the downward re-swing, add short whooshing wind and low-frequency impact sounds; forbid any glass breaking sound. At the exact instant the downward re-swing completes, immediately and synchronously stack: The “who—” breath airflow of blowing candles; The airflow instantly turns into a flame burst sound; The high-pressure champagne spraying sound; The hissing sound of continued spraying champagne liquid and foam; A short low-frequency impact sound. The champagne sound must feel like high-pressure liquid and foam spraying, not like fireworks burning sounds. When entering black-and-white slow motion, the flame and spray sounds are stretched into a low, lingering reverberation in sync. Background music continues playing and must not suddenly stop. 【Mandatory Constraints】 Total duration must be 10 seconds, 9:16 vertical. The action sequence must be: Empty long bench → Enter and sit down → Shake the champagne → Hard cut to face close-up → One-sided smirk and deep inhalation → Hard cut back to the original composition → Raise the cake and do a downward heavy re-swing of the champagne → At the instant the re-swing completes, immediately synchronize: champagne sprays out and mouth flame bursts → Color climax continuous spraying → On the music strong beat instant: switch to black-and-white slow motion and appear Happy Birthday → Poster-style ending. The champagne bottle must remain held in the right hand the whole time—no slipping out, dropping, or breaking. The flame can only originate from the mouth airflow blown toward the candle; the bottle mouth can only spray liquid, foam, and droplets/飞沫. The champagne fountain is on the left side of the frame and sprays straight upward. The mouth flame passes over the top of the candles and sprays horizontally to the right; both must start at the same time and must not cross. The main female lead, the cake, and the champagne bottle must remain consistent throughout. Prohibit duplicated characters, extra arms, extra bottles, a second cake, prop deformation, or clothing drifting. Except for the white handwritten Happy Birthday in the black-and-white segment, no other subtitles, logos, borders, or watermarks are allowed.

Model: Seedance
Categories: Portrait Photography Creative Visuals
License: CC BY 4.0

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