Nano Banana Pro JSON Prompt for 4-Photo Collage of Moods

{ "scene": { "format": "4_photo_collage", "layout": "2_columns_2_rows", "aspect_ratio": "3:4", "label_position": "top_center_white_text", "background": "soft_minimal_studio_backdrop" }, "subject": { "identity": "same_girl_from_reference", "appearance": { "hair": "{argument name="hair style" default="dark_brown_high_ponytail"}", "skin_tone": "{argument name="skin tone" default="warm_tan"}", "features": "same_face_structure", "accessories": ["{argument name="accessories" default="gold_hoop_earrings"}"], "outfit": "{argument name="outfit" default="bikini"}", "visible_area": "upper_body_chest_to_head", "makeup": "natural_glow" }, "style": "hyper_realistic_portrait_photography", "camera": { "lens": "85mm_portrait", "framing": "upper_body_close_up", "lighting": "soft_diffused_beauty_light", "focus": "sharp_on_eyes_and_face" } }, "photos": [ { "mood": "{argument name="mood 1" default="ANGRY"}", "expression": "{argument name="expression 1" default="tense_brows_narrowed_eyes"}", "label": "Angry" }, { "mood": "{argument name="mood 2" default="DEPRESSED"}", "expression": "{argument name="expression 2" default="downward_gaze_low_energy"}", "label": "Depressed" }, { "mood": "{argument name="mood 3" default="FLIRTY"}", "expression": "{argument name="expression 3" default="half_smirk_head_tilt"}", "label": "Flirty" }, { "mood": "{argument name="mood 4" default="LAUGHING"}", "expression": "{argument name="expression 4" default="open_mouth_genuine_laughter"}", "label": "Laughing" } ], "render_style": { "detail": "micro_skin_texture_hair_strands_realistic_shadows", "color_grade": "natural_skin_tones_high_dynamic_range" } }