Arched-back fitness model rear shot: GPT Image 2 prompt

{
 "task": "image_generation",
 "style": {
 "resolution": "8K",
 "look": "hyper-realistic, cinematic",
 "photorealism": true
 },
 "subject": {
 "identity": "fictional fitness model",
 "inspiration": "celebrity-inspired (non-identical, no face matching)",
 "gender": "female",
 "skin_tone": "fair",
 "pose": {
 "view": "3/4 rear",
 "posture": "arched back",
 "head_direction": "looking over shoulder"
 },
 "expression": "serious",
 "makeup": {
 "eyeliner": "winged",
 "finish": "natural cinematic"
 },
 "hair": {
 "color": "honey-brown",
 "style": "bun",
 "accessory": "hair clip"
 }
 },
 "wardrobe": {
 "top": {
 "type": "sports bra",
 "color": "grey",
 "design": "multi-strap"
 },
 "bottom": {
 "type": "shorts",
 "fit": "tight, high-waist",
 "texture": "ribbed",
 "color": "brown"
 },
 "socks": {
 "type": "thigh-high",
 "color": "black",
 "details": "red stripes"
 }
 },
 "environment": {
 "location": "gym",
 "background_elements": [
 "red metal rack"
 ],
 "atmosphere": "cinematic, moody"
 },
 "camera": {
 "lens": "85mm",
 "depth_of_field": "shallow",
 "focus": "sharp on subject"
 },
 "lighting": {
 "type": "cinematic",
 "key": "soft directional",
 "contrast": "high",
 "highlights": "controlled"
 },
 "detail": {
 "skin": "ultra-detailed, realistic texture",
 "fabric": "high micro-detail"
 },
 "composition": {
 "aspect_ratio": "3:4",
 "framing": "portrait"
 },
 "constraints": {
 "no_real_person_identity": true,
 "no_face_matching": true
 }
}