JSON-style Nano Banana Pro prompt for realistic faces

{ "intent": "Generate a hyper-idealized, Douyin-style night portrait of the same girl shown in the reference image using direct flash photography, creating a sharp, high-contrast glow.", "frame": { "aspect_ratio": "16:9", "composition": "Extreme close-up selfie framing focused tightly on the eyes and lips, forehead slightly cropped, gaze centered.", "style_mode": "Flash photography, digital influencer aesthetic, soft-focus realism" }, "subject": { "identity": "the same girl from the reference image, with soft youthful features and understated elegance.", "skin": "with a smooth, luminous finish reflecting the flash, creating a glassy glow with minimal texture.", "hair": "loose, naturally wavy, catching specular highlights from the flash.", "wardrobe": "Minimal visibility of a simple, understated top suited for a city night." }, "environment": { "location": "Nighttime {argument name="city type in English" default="Indian city"}.", "weather": "Clear, calm night sky.", "background": "Dark urban backdrop with blurred bokeh lights from buildings." }, "lighting": { "type": "Direct frontal phone flash or high-intensity screen light", "quality": "Hard, flat lighting that eliminates deep shadows and creates a smooth two-dimensional glow", "contrast": "Strong separation between the illuminated face and the dark city background", "catchlight": "Small flash reflection in the center of the pupils" }, "camera": { "sensor_format": "Smartphone main camera simulation", "lens": "24mm wide-angle lens that slightly exaggerates eye size and softens facial proportions", "aperture_depth_of_field": "f/1.8–f/2.2, sharp on the eyes and lips, instant blur on the background and edges of the hair", "focus": "Critical focus on the iris texture and eyelashes" }, "negative": { "content": "No wet hair, no snow, no rain, no masculine features, no visible pores, no heavy contour makeup, no sunglasses, no hands in frame.", "style": "No dramatic shadows, no vintage tones, no painterly effects, no warm film look." } }