Nano Banana 2 Workflow for Storyboards with Consistent Character Placement

Developing a storyboard requires more than just generating individual images; it demands narrative continuity. When using Nano Banana 2 (identified by Google as Gemini 3.1 Flash Image), the challenge often lies in keeping characters looking and positioned consistently from one panel to the next. This workflow provides a structured approach to managing these attributes, ensuring your visual story flows logically without jarring shifts in identity or placement.

Defining Character Attributes and Panel Inputs

The foundation of a consistent storyboard is a clear definition of your subjects before you begin generation. Since prompt instructions describe desired outcomes but do not guarantee identity preservation, you must externalize the character details. Start by creating a simple reference document that lists every character's core traits: hair color, clothing style, height relative to the frame, and any distinctive accessories.

For each panel in your sequence, define specific inputs that include both the scene context and the character constraints. For example, instead of simply asking for "a detective walking," your input should specify "detective wearing a trench coat, standing on the left side of the frame, facing right." By explicitly stating the position and attire in every prompt, you reduce the model's freedom to alter these elements arbitrarily. This step acts as your control layer, compensating for the fact that the tool does not inherently remember previous generations unless guided by explicit text or image references.

Executing the Generation with Reference Strategies

With your character sheet and panel inputs ready, you can begin the generation process within Nano Banana 2. The tool supports text-to-image workflows, allowing you to feed your detailed prompts directly into the generator. It is crucial to understand that while the prompt library offers example prompts you can copy, these are examples only and do not guarantee specific results regarding character identity or typography.

To maintain consistency, adopt an iterative approach. Generate the first panel with high detail regarding the character's appearance. If the result is close but not perfect, use the image-to-image capability to refine the output rather than starting from scratch. However, be aware of the limitations of different models. While Nano Banana 2 is designed for robust generation, the Lite version (Gemini 3.1 Flash Lite) is focused on speed and cost and is not optimized for multiple reference inputs or multi-turn sequential editing. Therefore, for complex storyboarding requiring strict consistency, rely on the standard Nano Banana 2 capabilities rather than the Lite variant. Try Nano Banana to access the full feature set required for this workflow.

Throughout this phase, treat the generated images as drafts. Do not assume the AI will perfectly replicate a character from Panel 1 in Panel 5 without intervention. You may need to re-enter the character description in every single prompt to reinforce the visual identity. This repetition is a necessary part of the workflow when working with generative AI tools that lack persistent memory between sessions.

Checkpoints and Exporting Your Sequence

Once you have generated all panels, perform a rigorous review against your initial character attribute sheet. Checkpoints should verify three main areas: facial features, clothing details, and spatial positioning. Look for inconsistencies where a character might have changed shirt color or moved from the left to the center of the frame unintentionally. If discrepancies are found, regenerate those specific panels with adjusted prompts that emphasize the missing or altered details.

After finalizing the sequence, export the images in a format suitable for your presentation or animation software. Ensure the aspect ratios match your intended storyboard layout. Remember that while the tool supports various workflows, the final assembly of the narrative is up to you. The generated images serve as the building blocks for your story, and their coherence depends on the precision of your inputs and the diligence of your review process. By following this structured method, you can leverage Nano Banana 2 to produce professional-quality storyboards that maintain narrative integrity across every frame.

This approach ensures that your creative vision remains intact, transforming raw AI outputs into a cohesive visual script ready for production.