GPT Image 2.5 Sunburst プロンプト - ハイキー照明の紫髪アニメコスプレ

{ "subject": { "description": "A young adult woman presented as a polished Japanese-inspired anime character cosplay portrait, sitting on a pure white studio floor with her body slightly turned toward the camera. She has long straight purple hair, a soft anime-inspired appearance, a pink uniform-style costume with red accents, and holds a blue smartphone close to her lips. The overall image resembles a high-key but realistic cosplay studio portrait.", "mirror_rules": "Not a mirror selfie. The subject faces the camera directly; the blue smartphone is only a handheld prop and must not turn the composition into a phone selfie.", "age": "Young adult woman, clearly maintaining adult proportions and maturity.", "expression": { "eyes": { "look": "Direct eye contact with the camera", "energy": "Gentle, playful, slightly character-like", "direction": "Eyes directed toward the camera with the head subtly tilted" }, "mouth": { "position": "Lips gently closed and partially obscured by the blue phone", "energy": "Restrained, light, subtly mysterious" }, "overall": "Soft and confident with a hint of playfulness, as if the character is intentionally holding a quiet expression for the camera" }, "face": { "preserve_original": "Preserve the reference facial proportions, eye shape, brow-eye structure, nose and lip relationship, and recognizable facial characteristics instead of replacing them with a completely different face.", "makeup": "Clean bright Japanese-inspired cosplay makeup, thin luminous base, delicate eyeliner, soft lashes, subtle pink blush, natural pink lips, clear reflective eyes" } }, "hair": { "color": "Saturated yet soft violet purple with a subtle cool undertone", "style": "Long straight hair with neat full bangs and long face-framing strands, extending toward the waist", "effect": "Smooth and silky with soft highlights, several natural strands falling around the shoulders and body, a few realistic flyaways, and gentle purple tonal gradients from the studio lights" }, "body": { "frame": "Slim, elongated adult female figure in a stable seated posture", "waist": "Lightly defined waist partially covered by the pink uniform jacket and dark inner layer", "chest": "Upper torso fully covered by the pink long-sleeve uniform; maintain natural proportions without exaggerated emphasis", "legs": "Both legs bent naturally outward in front of the body, knees clearly visible in the frame, wearing black thigh-high socks and forming a stable triangular composition", "skin": { "visible_areas": [ "face", "small visible area of neck", "both hands", "partial thighs and areas above the knees" ], "tone": "Bright natural pale skin with a soft pink undertone under a high-key white studio environment", "texture": "Fine natural human skin with subtle realistic texture and tonal variation, avoiding completely airbrushed plastic skin", "lighting_effect": "Large soft sources from the front and above create even diffuse illumination, soft highlights, and natural brightness across the face and hands" } }, "pose": { "position": "Centered slightly to the right, sitting on the white floor with long purple hair extending around the body", "base": "Seated with both legs bent outward, one hand resting naturally near the knee or floor while the other holds the blue smartphone vertically close to the mouth", "overall": "Stable and slightly character-like seated pose, shoulders gently drawn inward and head subtly tilted toward the camera; cute and natural rather than rigid commercial modeling" }, "clothing": { "top": { "type": "Pink long-sleeve uniform-style cosplay jacket", "color": "Soft pale pink with deep red collar, cuffs, and decorative accents", "details": "Rounded slightly puffed sleeves, large red neck-tie or collar structure, dark gray-purple inner front panel with red edging, strongly anime-character-inspired uniform design", "effect": "Soft fabric with a subtle sheen, natural folds around the shoulders and cuffs, gentle studio highlights across the pink material" }, "bottom": { "type": "Dark gray-purple short skirt with black thigh-high socks", "color": "Dark gray-purple and black", "details": "Short skirt with subtle red trim, black thigh-high socks covering the lower legs and reaching to mid-thigh", "effect": "Natural skirt folds and low-sheen semi-matte black sock texture" } }, "accessories": { "headwear": "No prominent headwear", "jewelry": "A very subtle small ring on one finger", "device": "Blue smartphone held vertically close to the mouth", "prop": "Several colorful hairdressing scissors, clips, and small styling tools scattered naturally across the floor as environmental props" }, "photography": { "camera_style": "High-quality cosplay photography between polished commercial portraiture and natural character photography, captured on a full-frame digital camera with a short-to-medium portrait lens", "angle": "Slightly above eye level, positioned directly in front of the subject so the face, phone, costume, and seated pose remain clearly visible", "shot_type": "Medium-to-three-quarter full-body vertical portrait, extending from the top of the hair to the feet while preserving generous white negative space", "aspect_ratio": "Approximately 2:3 vertical", "texture": "Clean high-quality digital photography with subtle real sensor texture, pristine white background without losing depth, crisp subject edges, avoiding excessive AI sharpness", "lighting": "Large frontal softbox combined with overhead diffusion, producing bright high-key studio illumination; white floor and walls create natural fill while purple hair and pink fabric receive gentle edge highlights", "depth_of_field": "Moderate depth of field, keeping the subject, costume, and smartphone clear while allowing background typography and distant props to soften slightly but remain recognizable" }, "background": { "setting": "Pure white high-key photography studio or character portrait space, with the subject sitting directly on the white floor", "wall_color": "Pure white", "elements": [ "large purple Japanese calligraphic typography", "colorful scissors scattered across the floor", "small red, blue, and yellow styling tools", "subtle thin lines and background props", "seamless white studio background" ], "atmosphere": "Bright, dreamy, strongly anime-inspired, while retaining the production realism of an actual cosplay studio shoot", "lighting": "High-key white studio lighting with low shadow density and strong ambient reflection; a very soft contact shadow beneath the subject prevents a cutout or floating appearance" }, "the_vibe": { "energy": "Bright, playful, strongly character-driven", "mood": "Light, sweet, dreamy, subtly mysterious", "aesthetic": "Japanese anime cosplay, purple-and-pink palette, high-key studio portrait, visual-novel character photography", "authenticity": "Preserve realistic fabric folds, stray hairs, sock texture, random placement of floor props, and small photographic imperfections so the image feels photographed rather than 3D-rendered", "intimacy": "The relatively close camera distance and direct gaze create a subtle personal connection, with the phone near the lips adding a quiet conversational feeling", "story": "She seems to have just finished preparing a character look, sitting in the white studio with a phone still in her hand and scissors and styling tools scattered around her; instead of looking at the props, she suddenly looks directly at the camera.", "caption_energy": "Colorful, recognizable, character-driven cosplay energy suitable for a social-media cosplay post, as if the character briefly stepped out of the story and into a real photograph" }, "constraints": { "must_keep": [ "young adult woman", "long straight purple hair", "anime-inspired character aesthetic", "pink uniform-style jacket", "deep red collar and cuff details", "dark gray-purple short skirt", "black thigh-high socks", "blue smartphone near the mouth", "direct eye contact", "high-key white studio", "large purple Japanese typography", "colorful scissors and styling tools scattered on the floor", "2:3 vertical composition", "realistic cosplay photography", "soft studio lighting" ], "avoid": [ "minor appearance", "childlike proportions", "nudity", "transparent clothing", "excessive sexualization", "exaggerated anatomy", "plastic skin", "over-retouched skin", "3D render", "game CGI", "heavy HDR", "hard rim lighting", "random meaningless text", "distorted typography", "incorrect smartphone", "extra fingers", "extra limbs", "deformed hands", "altered facial structure", "completely blurred background", "mirror selfie" ] }, "negative_prompt": [ "minor", "childlike proportions", "nudity", "transparent clothing", "sexualized pose", "exaggerated anatomy", "plastic skin", "over-retouched face", "3D render", "game CGI", "heavy HDR", "hard rim light", "random text", "distorted text", "wrong phone", "extra fingers", "extra limbs", "bad hands", "altered face", "extreme bokeh", "mirror selfie", "AI artifacts" ] }