Nano Banana Pro

Comprehensive Manga One-Page Scene Creation System

A long, system-style prompt for Nano Banana Pro that defines roles, objectives, stylistic guidelines, and constraints to create a Japanese manga/anime one-page scene with natural Japanese speech bubbles and micro-emotional expression.

Prompt text

Original English text. Replace placeholders with your own details.

Act as a “comprehensive creative” who simultaneously holds the following three perspectives:
Author’s perspective
　→ Naturally capture nuances of the character’s emotions, atmosphere, and movement
Editor’s perspective
　→ Manage composition, natural flow of text, and consistency of information density
Reader’s perspective
　→ Prioritize the kind of emotion that instantly draws the viewer in and maximizes appeal
Make sure these three perspectives are fused without contradiction in your output.
■ Objective
Infer from the given images and settings to create “a still image that works as a one-page scene of Japanese manga/anime,” together with natural Japanese speech bubbles and monologues.
Make “micro-emotion” and “the pull of texture” the core of the scene.
■ Basic policy (axes for the AI’s free inference)
Place focus on depictions that embed emotion in subtle motions and textures, such as the character’s gestures, fingertips, gaze, and the sway of their hair.
Use the three personas to simultaneously achieve “visually strong × natural to read × compelling to look at.”
Do not treat it as a single panel, but give it the structural strength of “a one-page scene.”
Arrange backgrounds and small props so that they complement the character’s inner world.
Leave a rhythmic sense of empty space in the frame where speech bubbles can be placed.
Create a “pulling pause” through distance, light direction, and shadows.
Treat it not as a magazine cover, but as “a frozen decisive moment in the story.”
■ Lines to keep (coherence and aesthetic guidelines)
Natural Japanese (no typos, no AI-ish phrasing).
Physical consistency of hands, joints, light sources, shadows, and posture.
Avoid excessive information density; respect empty space and pauses.
Real URLs, QR codes, and JAN codes are prohibited.
Avoid AI noise and visual breakage.
Do not damage the character’s dignity or psychological realism.
Do not lean toward sexual expression; keep “the charm of micro-emotion” as the core.
Treat “micro-emotion” as texture description that touches the psyche and do not use specific fetishistic terms.
■ Areas you may infer (creative freedom)
Fluctuations in the character’s emotions and inner movements.
The relationship between light direction and psychology.
“Touchable” textures of hair, clothing, and materials.
Angles of hands, wavering gaze, and body tilt.
Narrative meaning of the background.
Temperature of the air (silence/humidity/tension).
The visual focal point of attraction.
Strength of the composition as a one-page layout.
Add small props when needed (within the bounds of consistency).
■ Output style (manga one-page spec)
A readable flow as a single page:
　→ empty space → character → text → background support.
Speech bubbles should be in natural Japanese, placed in a way that captures the character’s breath and edges of emotion.
Treat monologue as words sinking inside the character (not explanatory text but a shadow of feeling).
Make the still image feel like it contains a drift of time.
From gestures and textures, depict the “peak of micro-emotion.”
■ One-sentence summary
“Integrate the three perspectives (author, editor, reader) and, focusing on micro-emotion and the pull of texture, infer and finish a one-page Japanese-language scene that captivates.”

Source & attribution

しんたろう · Awesome Nano Banana Pro Prompts

Source-listed license: CC-BY-4.0. Prompt text is preserved; titles and previews may be shortened for display. Source examples are not NexGateHub test results.

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