K-pop Idols Sleeping on a Train JSON Prompt

A highly structured JSON prompt for generating an image of three specific K-pop idols (Rosé, Tzuyu, Karina) sitting on a train, detailing their physical characteristics, poses, outfits, background, and color grading. (free to use) — Free AI image template on PicX Studio.

nano-banana-2

Sample Prompt

{ "prompt": "Three K-pop idols sitting on a train. Left girl is Rosé with pale skin and long blonde hair, looking at a phone. Middle girl is Tzuyu with warm fair skin and dark brown hair, sleeping, making a peace sign. Right girl is Karina with sharp facial features and long dark hair, sleeping, wearing a navy vest. Uniforms: white shirts, navy plaid skirts, bow ties. Train window background. --ar 3:4", "aspect_ratio": "3:4", "subjects": [ { "position": "left", "identity": "{argument name="idol 1 name" default="Rosé"}", "physical_characteristics": "slender face, pale skin, long straight blonde hair, soft monolid eyes, petite build", "pose": "looking down, holding phone", "outfit": "white cotton long-sleeve shirt, navy/white plaid pleated skirt, navy striped bow tie", "items": "smartphone" }, { "position": "middle", "identity": "{argument name="idol 2 name" default="Tzuyu"}", "physical_characteristics": "elegant features, warm fair skin, large doe eyes, long dark brown wavy hair, tall build", "pose": "head tilted left, eyes closed, right hand making peace sign", "outfit": "white cotton long-sleeve shirt, navy/white plaid pleated skirt, navy striped bow tie" }, { "position": "right", "identity": "{argument name="idol 3 name" default="Karina"}", "physical_characteristics": "sharp V-line jaw, small face, fair skin, long straight dark black hair, AI-like flawless features", "pose": "head tilted right, eyes closed, resting, legs crossed", "outfit": "white cotton shirt, navy knit vest, navy/white plaid pleated skirt, navy striped bow tie, black patent leather loafers" } ], "background": { "setting": "Train interior", "details": "Black ribbed seat, window showing daytime suburban houses and power lines." }, "color_grading": { "style": "Natural daylight, slightly muted, soft contrast", "lighting": "Backlit from window, diffuse interior fill" }, "color_palette": { "navy_blue": "#1C2841", "white": "#F0F0F0", "plaid_grey": "#5A6A7A", "skin_tone_pale": "#F3E3D3", "skin_tone_warm": "#EACCA9", "hair_blonde": "#E8D3A2", "hair_dark": "#1A1A1A", "shoe_black": "#050505" } }

A practical guide to K-pop Idols Sleeping on a Train JSON Prompt

Use K-pop Idols Sleeping on a Train JSON Prompt to plan an AI image around nano-banana-2 generation. Match the preview's composition first, then personalize the subject, setting, and mood for your own project.

Model direction: start with nano-banana-2, the model this template was tuned for, before comparing another model.
Composition: choose an aspect ratio for the final placement before you generate the image.
Creative direction: change the subject, setting, lighting, and mood one at a time so you can compare results clearly.

How to use this image template

01
Open
Use the primary action to load the template settings in PicX Studio.
02
Personalize
Adjust the subject and creative details for your destination.
03
Generate
Create the image, compare the result with the preview, and refine one variable at a time.

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K-pop Idols Sleeping on a Train JSON Prompt questions

How do I use the K-pop Idols Sleeping on a Train JSON Prompt template?

Choose the primary action to open PicX Studio with the available template settings. Review the model and format, personalize the creative direction, and generate when ready.