Image Generation Nano Banana Nano Banana Comic Storyboard

Vertical 4-panel gekiga-style manga YAML prompt

A long English YAML prompt specifying layout, art style, manga elements, and panel-by-panel content for a 1:3 vertical 4-panel gekiga-style manga page featuring Knight Alex working at a convenience store.

March 1, 2026 Source: Nano Banana Pro Prompts by Community
Vertical 4-panel gekiga-style manga YAML prompt

Generated result using this prompt

The Prompt

---
generation_parameters:
  aspect_ratio: "1:3"

manga_page_generation_prompt:
  layout_structure:
    type: Full page vertical 4-panel comic strip (yon-koma layout).
    arrangement: Four roughly square panels stacked perfectly vertically from top to bottom.
    spacing: Clear white gutters separating each of the four panels.
    title_area: (Optional) A small space at the very top for a title.
    overall_aesthetic: A printed comic magazine page look with slightly textured paper.

  art_style:
    description: {argument name="style_desc_en" default="1970s–80s Japanese Gekiga style: gritty, heavy shadows, serious tone."}
    color_palette: Desaturated, heavy oil-painting colors, sepia tones, dark atmosphere.
    texture: Rough ink lines, analog brushwork, dramatic cross-hatching shadows, and ink bleed effects.

  manga_elements:
    speech_bubbles:
      - Presence: Multiple hand-drawn speech bubbles (fukidashi) within panel boundaries.
        Style: Rough, organic outlines containing placeholder Japanese marks.
    sound_effects:
      - Presence: Bold Katakana sound effects integrated into the art.
        Style: Rough calligraphy (e.g., "ドォォォン", "ゴゴゴゴ").

  panel_content_sequence:
    panel_1_top (Intro):
      - Scene: [Wide angle] Knight Alex (grim face, full armor) standing stiffly behind a modern convenience store counter.
      - Text/FX: Speech bubble with formal greeting. Small "ウィーン" (door sound).
    panel_2_upper_mid (Development):
      - Scene: A scared salaryman customer shrinking away, Alex glaring intensely and leaning forward over the counter.
      - Text/FX: Customer's scared bubble. Large "ゴゴゴゴ" (menacing FX) around Alex.
    panel_3_lower_mid (Twist):
      - Scene: [Dramatic close-up] Alex pulling out his giant claymore sword just to point at a bento box.
      - Text/FX: Spiky shout bubble "貴様の糧はこれか!!" and intense "ジャキィィン!" (sword FX).
    panel_4_bottom (Conclusion):
      - Scene: The exhausted store manager (looser art style) smacking Alex's head with a rolled magazine. Alex looks comically dejected.
      - Text/FX: Manager's angry bubble "剣をしまうんだよ!" and sharp "スパン!" (slap FX).

negative_prompt:
  - Single illustration, square image, landscape orientation
  - Panels arranged horizontally in a 2x2 grid
  - Modern clean digital art, anime style
  - Bright cheerful colors, no shadows

Parameters

aspect_ratio

16:9

quality

high

About This Prompt

A long English YAML prompt specifying layout, art style, manga elements, and panel-by-panel content for a 1:3 vertical 4-panel gekiga-style manga page featuring Knight Alex working at a convenience store.

Prompt Details


generation_parameters: aspect_ratio: “1:3”

manga_page_generation_prompt: layout_structure: type: Full page vertical 4-panel comic strip (yon-koma layout). arrangement: Four roughly square panels stacked perfectly vertically from top to bottom. spacing: Clear white gutters separating each of the four panels. title_area: (Optional) A small space at the very top for a title. overall_aesthetic: A printed comic magazine page look with slightly textured paper.

art_style: description: {argument name=“style_desc_en” default=“1970s–80s Japanese Gekiga style: gritty, heavy shadows, serious tone.”} color_palette: Desaturated, heavy oil-painting colors, sepia tones, dark atmosphere. texture: Rough ink lines, analog brushwork, dramatic cross-hatching shadows, and ink bleed effects.

manga_elements: speech_bubbles: - Presence: Multiple hand-drawn speech bubbles (fukidashi) within panel boundaries. Style: Rough, organic outlines containing placeholder Japanese marks. sound_effects: - Presence: Bold Katakana sound effects integrated into the art. Style: Rough calligraphy (e.g., “ドォォォン”, “ゴゴゴゴ”).

panel_content_sequence: panel_1_top (Intro): - Scene: [Wide angle] Knight Alex (grim face, full armor) standing stiffly behind a modern convenience store counter. - Text/FX: Speech bubble with formal greeting. Small “ウィーン” (door sound). panel_2_upper_mid (Development): - Scene: A scared salaryman customer shrinking away, Alex glaring intensely and leaning forward over the counter. - Text/FX: Customer’s scared bubble. Large “ゴゴゴゴ” (menacing FX) around Alex. panel_3_lower_mid (Twist): - Scene: [Dramatic close-up] Alex pulling out his giant claymore sword just to point at a bento box. - Text/FX: Spiky shout bubble “貴様の糧はこれか!!” and intense “ジャキィィン!” (sword FX). panel_4_bottom (Conclusion): - Scene: The exhausted store manager (looser art style) smacking Alex’s head with a rolled magazine. Alex looks comically dejected. - Text/FX: Manager’s angry bubble “剣をしまうんだよ!” and sharp “スパン!” (slap FX).

negative_prompt:

  • Single illustration, square image, landscape orientation
  • Panels arranged horizontally in a 2x2 grid
  • Modern clean digital art, anime style
  • Bright cheerful colors, no shadows

Sample Image

Vertical 4-panel gekiga-style manga YAML prompt


Source: Nano Banana Pro Prompts Library | ID: 335

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Prompt Info

Type image
Model Nano Banana
Added 3/1/2026

Tags

Nano Banana Comic Storyboard Anime Manga Drama

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