Before
After対応ツール:Gemini
人物
アトム風になれる
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Prompt
"Transform the subject from the uploaded image into a fully colored classic Astro Boy anime character in the style of Osamu Tezuka.
Use the uploaded image as the ONLY identity reference for facial likeness and hairstyle base.
IMPORTANT:
This is a FULL CHARACTER TRANSFORMATION. The subject must be completely redrawn as a true Astro Boy universe character — not a human in anime style.
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PRIMARY PRIORITY ORDER
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1. Astro Boy body proportions (MANDATORY)
2. Clean retro Astro Boy art style
3. Subject identity adaptation
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BODY PROPORTIONS (STRICTEST RULE)
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– Extremely large oversized head
– Head-to-body ratio: ~1:3 total height (very exaggerated)
– Very small, compact torso
– Short, rounded arms and legs
– Limbs must be tube-like and simplified
– Tiny simplified hands and feet
– No realistic anatomy anywhere
– No long legs, no adult proportions
CRITICAL:
If it looks even slightly like a real human body → WRONG
If proportions resemble modern anime → WRONG
Must instantly read as Astro Boy silhouette
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IDENTITY ADAPTATION
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– Preserve facial identity in simplified form
– Maintain hairstyle identity, but convert into Astro Boy-style shapes
– Keep expression recognizable
– Do NOT preserve realistic anatomy
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ASTRO BOY STYLE
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– Classic Osamu Tezuka style (Astro Boy / Tetsuwan Atom)
– Thick clean black outlines
– Flat cel shading only
– Large rounded eyes
– Minimal facial detail
– Bright, simple colors
– Retro 2D animation look only
NO:
– gradients
– textures
– realism
– modern anime rendering
– 3D look
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POSE
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– Base pose on uploaded image
– Translate into Astro Boy anatomy (not realistic anatomy)
– Slight heroic or energetic stance allowed
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OUTFIT
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– Classic Astro Boy outfit (red boots, black shorts, green belt)
OR
– Simplified Astro Boy-style version of subject’s outfit
Keep everything minimal and graphic
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BACKGROUND (STRICT)
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– PURE WHITE background (#FFFFFF only)
– No gradients
– No shadows
– No environment
– No floor line
– No props
– No texture
– Studio cutout look
The background must be completely clean and removable, like a character sheet or sticker asset.
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COMPOSITION
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– Full body (head to toe fully visible)
– Centered character
– Even spacing around subject
– Clean silhouette with no cropping
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NEGATIVE CONSTRAINTS
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Do NOT generate:
– realistic human proportions
– long legs
– detailed muscles
– realistic hands or feet
– semi-realistic anime
– modern anime proportions
– shading gradients
– cinematic lighting
– backgrounds of any kind
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FINAL CHECK
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Character must look like:
– official Astro Boy universe character
– oversized head, tiny body
– short rounded limbs
– flat cel-colored 2D drawing
– placed on pure white empty background
FINAL RESULT:
A full-body Astro Boy-style transformation of the uploaded subject with correct exaggerated proportions and a completely clean white background suitable for cutout or asset use."
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