Anime Key Visual Poster Generator — Monogatari Style

Create an official anime promotional poster featuring customizable characters, Japanese typography, and broadcast details in a pastel color palette. Use it as a Concept Art starting point for GPT Image 2: keep the visual structure and style constraints intact, then swap in your own subject, brand, or scene.

This prompt is organized as structured JSON with fields such as type, subject, environment, and layout. Keeping that hierarchy helps the model separate the subject, layout, interface elements, and detail constraints.

Start with small changes to subject, scene, camera, and color, then generate a few variations to compare composition and detail without turning the page copy into keyword stuffing.