{
"instruction": "Generate a full-body, photorealistic fashion portrait of a modern East Asian idol in all-black styling. The result must look like a professional test shot, not anime, not cosplay, not fantasy.",
"subject": {
"identity": "East Asian female idol, early 20s look, pale smooth skin, symmetrical features, refined jawline, large natural eyes, soft neutral lips.",
"hair": {
"color": "jet-black",
"style": "straight with blunt bangs framing the eyes",