Nano Banana Pro Image Generation on Gemini App

Nano Banana Pro on Gemini app. Prompt: { '"objective": "Generate an image based on a detailed character portrait description. ' '"image_generation_prompt": {' '"subject": {' '"gender": "female ' '"portrait_type": "close-up ' '"angle": "side angle ' '"aesthetic": "edgy modern mysterious confident slightly provocative"' } '"appearance": {' '"hair": {' '"color": "light gray ' '"length": "short ' '"texture": "wavy ' '"style": "modern slightly messy partially covering forehead"' } '"face": {' '"skin_tone": "fair ' '"features": "sharp ' '"eyebrows": "straight neat dark ' '"lips": "naturally pink with a slight sheen"' } '"expression": "calm but intense"' } '"clothing_and_accessories": {' '"headwear": "black bandana with white swirl patterns ' '"outfit": {' '"jacket": "black zip-up jacket left open ' '"inner_shirt": "black T-shirt with green and red graphic art on the chest"' } '"jewelry": {' '"neck": "thin silver chain ' '"ear": "small silver earring"' } } '"lighting_and_background": {' '"lighting": "front light highlighting facial features and outfit ' '"background": "bright blue sky"' } '"style": {' '"vibe": "striking and stylish ' '"focus": "expression and trendy fashion details ' '"mood": "modern and edgy"' } '"aspect_ratio": "3:4"' } '"response_format": "Use this JSON object as the structure for an image generation model prompt."' }