Vertical Handheld Smartphone Vlog — AI Video from Neta Studio
Final Video: Vertical Handheld Smartphone Vlog
Vertical Handheld Smartphone Vlog is a 12-second, single continuous shot inside Charlie in Hogwarts — an original seventh-year story where a French Beauxbâtons transfer student, Charlotte Sainte-Rose, films her first tour of the castle on her phone. This is the clip she captures in the dungeon Potions classroom: two Slytherin boys at their cauldron, and the moment somebody's potion goes spectacularly wrong.
The camera is Charlotte's phone — held by her, never showing her — with Natty's voice right beside the microphone. The fair-haired boy, Ominis Gaunt, keeps stirring, unperturbed, and delivers the dry diagnosis: “Ah. Someone's gone and blown up their potion...” The camera whips left through the smoke to find the culprit — Gareth, splattered with green goo — as Ominis adds, off-screen: “That's Gareth. He does this rather often...” Comedic tone, zero threat.
Watch it now: Vertical Handheld Smartphone Vlog →
The Video
12 seconds · 9:16 vertical · with dialogue — rendered with Seedance 2.0 (image-to-video) from the world's own POV reference frames, in a single continuous pass.
How It Was Made
Production Process Breakdown
The world starts from a single line — “create a new world” — and Neta Studio expands it into Charlie in Hogwarts: five seventh-year students with locked canonical faces (Charlotte Sainte-Rose, Sebastian Sallow, Ominis Gaunt, Natty Onai, Poppy Sweeting), the dungeons and the Great Hall, and the story beat at its heart — a Beauxbâtons transfer student arriving in December and the ripple she sends through Slytherin's table.
The clip is built from vertical smartphone-vlog reference frames: the POV of the classroom doorway before walking in, the locked two-shot of Sebastian and Ominis at their potions station (same height, shirt-only Sebastian, vests-and-blind-gaze Ominis), and the comedic payoff frame — a red-headed student whose cauldron has bubbled over in purple smoke.
The first Seedance 2.0 renders told a “tour” version — Natty's off-screen intro, Sebastian's “Oh, you're the new student, aren't you?” — with the boys' station locked frame by frame. The accident concept (Ominis warning first) then hit output-policy blocks on three consecutive renders, so the workflow pivoted to the inverted strategy: the smoke and the pop arrive BEFORE Ominis's line — a dry constat, not a warning. The comedic pass rendered clean, and the final take kept the accident comedy with zero threat.
The finished 12-second vertical clip renders in one continuous handheld pass: Ominis calmly stirring, Sebastian's “here we go again” grin, the puff of purple smoke, and Gareth caught in the act. The MP4 publishes instantly to a shareable link that plays in any browser — no download required.
Generation Prompt
“Vertical handheld smartphone vlog clip, single continuous shot, no cuts. POV of Charlotte filming inside a potions classroom in a castle dungeon. She is never visible; the camera IS her phone. LANGUAGE: all spoken words in ENGLISH with a natural British accent. ROOM: a compact dungeon classroom with low stone ceiling, torches, bookshelves, about fifteen students. Two boys at their station on the RIGHT side. BEAT-BY-BEAT: 0-3s: Shot framed on two boys at their potions station on the right — chest up, eye level. Both SAME HEIGHT. Left boy: tousled dark brown wavy hair, freckles, white shirt sleeves rolled up, tie loosened, smiling warmly at the camera. Right boy: ash blond hair neatly combed back, pale skin, dark grey vest over white shirt, pale blue unfocused eyes, ACTIVELY STIRRING his cauldron. A soft, comical FIZZING and BUBBLING sound starts faintly from the LEFT off-screen. The right boy's stirring slows for a moment — he tilts his head ever so slightly, listening, but doesn't turn. The left boy is still smiling at the camera, hasn't noticed. 3-5s: A thin wisp of purple-grey SMOKE drifts into frame from the left edge. The left boy notices it — his smile fades, he turns his head LEFT, curious. The right boy keeps stirring, unperturbed, a tiny dry smile forming. He does NOT turn his head — his blind gaze stays forward and unfocused. A soft POP from the left — the fizzing gets louder, more energetic. More smoke. The left boy's eyebrows go up, an amused 'here we go again' expression. The camera wobbles slightly — Charlotte reacting. 5-7s: A cheerful, colorful PUFF of purple smoke erupts from the left. A few giggles and gasps from distant students. The left boy cracks a grin, looking toward the commotion. The right boy — still calm, still stirring — speaks in English with a dry, matter-of-fact British tone, as if commenting on the weather. He does NOT look at the lens, his blind gaze unchanged: 'Ah. Someone's gone and blown up their potion...' 7-10s: The camera PANS LEFT, curious and amused, leaving the two boys out of frame. Through drifting colourful smoke: a red-headed student at his workstation — bright ginger messy hair, freckled face, comically startled and embarrassed, splattered with green goo, Gryffindor tie, a cauldron overflowing with colourful foam and purple smoke. He looks more sheepish than hurt. Other students are giggling. 10-12s: CHARLOTTE OFF-SCREEN — warm, lively female voice with a slight French-British accent, amused and surprised, in English: 'Oh! What on earth happened?!' Camera stays on the smoky scene. RIGHT BOY replies OFF-SCREEN, dry and slightly amused, in English: 'That's Gareth. He does this rather often...' Audio: dungeon ambience, soft bubbling of cauldrons, then the comical fizzing and gentle pop, colourful foam sounds, student giggles and chuckles, Charlotte's amused voice, right boy's dry reply. Light, funny, zero threat. No loud bangs, no crashes. English only. No music. Style: photorealistic live-action, natural low-light, warm torchlight, natural grain, handheld motion. No CGI, no text, no subtitles, no watermark. Avoid: any non-English speech, loud bangs or crashes, anything scary or threatening, looking into the lens, fire or real flames, selfie framing, identity drift, face warping.”
Model: Seedance 2.0 — image-to-video, 12s @ 9:16, rendered from the reference frames above.
Asset Prompts
“@Sebastian Sallow, @Ominis Gaunt, Create a photorealistic candid vertical smartphone photo, part of Charlotte's personal Hogwarts vlog, taken inside a Potions classroom in the Hogwarts dungeons, framing one potions station. The background is mostly visible bookshelves built into the stone wall and some occupied tables with students working in the distance, on the RIGHT side of the room. CRITICAL — WHO HOLDS THE PHONE: the photo is taken by Charlotte, a girl standing off-screen about two steps away, filming the boys. This is NOT a selfie. Sebastian is NOT holding the camera and NOT holding any phone. Neither boy reaches toward the lens and no arm extends from the bottom of the frame toward the camera. Eye-level straight-on angle at natural conversational distance: both boys seen from the chest up, standing at their desk, with visible space between them and the lens. CRITICAL — SAME HEIGHT: Sebastian and Ominis MUST be exactly the same height in the frame. Their eyes, shoulders and tops of heads align perfectly — neither boy is taller or shorter than the other. Ominis is positioned on the RIGHT side of the frame, Sebastian on the LEFT. SEBASTIAN SALLOW — CANON FACE LOCK, HIGHEST PRIORITY: reproduce the EXACT bone structure and features of the locked canonical reference portrait. Oval face with a soft, gently rounded jawline and a soft rounded chin — not square, not angular, not pointed. Straight moderate nose with a softly rounded tip. Thin upper lip, fuller lower lip with a slight natural pout. Dark brown / chocolate brown eyes, almond shaped, set fairly close together. Straight, thick, well-groomed dark brown eyebrows. Fair warm-toned skin with LIGHT, natural, subtle freckles across the nose bridge and upper cheeks ONLY — not heavy, not all over the face. Dark brown wavy hair, medium length, slightly thinned out, deliberately tousled and messy, never slicked or flat, a few strands falling loosely over the forehead. SEBASTIAN'S EXPRESSION — WARM, PLAYFUL, CHEERFUL: he has looked up from his work and is clearly pleased to see who is filming. A relaxed, genuinely cheerful smile, warm and playful and a little teasing. Lips slightly parted with just a hint of the upper teeth showing. One corner of the mouth lifts a bit higher than the other, keeping his natural asymmetry. Eyes bright, alive and directly on the lens with visible amusement, brows relaxed. SEBASTIAN'S OUTFIT — SHIRT ONLY, NO VEST: plain white Hogwarts school shirt with the SLEEVES ROLLED UP to just below the elbows, forearms bare. NO sleeveless sweater, NO knitted vest, NO pullover, NO jumper, NO robe — the white shirt is his outermost garment. Collar open at the throat, green and silver Slytherin tie loosened and slightly askew, shirt slightly rumpled from working. OMINIS GAUNT — CANON FACE LOCK, EQUAL PRIORITY: reproduce EXACTLY these canonical features. A fine, elegant, aristocratic face with high cheekbones and a slim, refined jawline — graceful and delicate, not heavy or broad. A straight, well-proportioned nose, slightly narrow at the bridge with a refined tip. Thin, well-defined lips, the upper lip slightly thinner than the lower. A pale, porcelain complexion, almost translucent, with very fair skin that contrasts sharply with his ash blond hair. Two or three discreet, small dark beauty marks on his face. His most striking feature: pale, milky blue-grey eyes that are veiled, soft, and slightly unfocused — the eyes of someone who is blind, never fixing on any point, never making eye contact, gazing slightly past or through things. His hair is ASH BLOND to light brown, mid-length, combed neatly back from the forehead with a side part, smooth and controlled — never messy, never tousled, never falling into his face. Clean, elegant, old-money Slytherin look. Calm and composed beside his cheerful friend, mouth closed, at most a faint dry trace of amusement. He stands at the SAME station as Sebastian, close beside him behind the same desk and the same cauldron. OMINIS'S OUTFIT — VEST OVER SHIRT: Ominis wears a plain white school shirt underneath a dark grey or charcoal knitted Slytherin VEST (sleeveless sweater, V-neck, green and silver trim), with a loosened green and silver Slytherin tie visible at the collar. This distinguishes him from Sebastian who wears only the shirt without a vest. ROOM: a compact dungeon classroom, bookshelves and occupied tables visible in the softly blurred background, a few students working at distant cauldrons, warm torchlight against cool grey stone, steam rising gently. Around fifteen students spread across the room in the background, not crowded. The boys' station is on the RIGHT side of the room. SCENE: Sebastian and Ominis stand behind their shared worn wooden desk, an old copper cauldron on it. Ominis is ACTIVELY WORKING — he holds a wooden ladle in one hand, mid-stir, his other hand resting on the edge of the cauldron or holding a small vial of ingredient. Sebastian has set down his ladle and straightened up with an open, confident posture, smiling at the camera. Slightly off-center candid framing, faint handheld motion blur. PHOTOGRAPHY: real smartphone vlog snapshot look: natural skin pores and light freckles, realistic teeth shading, smartphone exposure adapted to dim dungeon lighting, natural low-light grain, mild motion blur. No beauty retouching, no CGI, no 3D game render, no illustration, no text, no watermark. AVOID: one boy taller than the other, height difference, Sebastian wearing a vest, Ominis without a vest, Ominis looking into the lens, Ominis with dark or black hair, Ominis with a heavy or square jaw, selfie framing, anyone reaching toward the lens, wide toothy grin, packed room, empty hall, identity drift, face warping, extra limbs.”
“Photorealistic vertical smartphone photo, POV held by someone in a dungeon potions classroom. The camera has just panned LEFT. SCENE: A student workstation where a cauldron has bubbled over comically — thick greyish-purple magical smoke is billowing everywhere. Through the smoke, a RED-HEADED MALE STUDENT is visible — he has a round, friendly face with bright ginger copper RED hair that is tousled and messy, sticking up. His face has a smattering of light freckles across the nose and cheeks, light skin, boyish features, wide eyes with a startled but comically embarrassed expression. He wears a Gryffindor-style uniform: white shirt, red and gold striped tie, dark robes open. He is splattered with greenish potion goo. His mouth is slightly open in surprise. The cauldron sits on the desk with green goo splattered around it, a brass scale tipped over. Bookshelves and stone walls behind, other students turning to look in the background. STYLE: candid smartphone vlog snapshot, natural dungeon torchlight, hazy smoke atmosphere, slight motion blur. No CGI, no text, no watermark. Avoid: fire, flames, the two dark-haired boys (they are off-screen right), Charlotte in frame.”
Reference Frames
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