Nano Banana 2（Pro）4コマ漫画試作

Nano Banana 2 (Pro)で4コマ漫画を作らせてみた
ほんと日本語表示がよくなったな...
長いプロンプトも紹介👇(YAML)
---
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 (margins) separating each of the four panels.
title_area: (Optional) A small space at the very top for a title.
overall_aesthetic: Printed comic magazine page look, slightly textured paper.
art_style:
description: 1970s-80s Japanese Gekiga style. Gritty, heavy shadows, serious tone.
color_palette: Desaturated, heavy oil-painting colors, seppia tones, dark atmosphere.
texture: Rough ink lines, analog brushwork, dramatic cross-hatching shadows, ink bleed effect.
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 (onomatopoeia) integrated into the art.
- Style: Rough calligraphy (e.g., "ドォォォン", "ゴゴゴゴ").
panel_content_sequence:
panel_1_top (起):
- 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 (承):
- Scene: A scared salaryman customer shrinking away. Alex glaring intensely, leaning forward over the counter.
- Text/FX: Customer\'s scared bubble. Large "ゴゴゴゴ" (menacing FX) around Alex.
panel_3_lower_mid (転):
- 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!!". Intense "ジャキィィン！" (sword FX).
panel_4_bottom (結):
- 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！". Sharp "スパン！" (slap FX).
negative_prompt:
- single illustration, square image, landscape orientation
- panels arranged horizontally, grid layout (2x2)
- modern clean digital art, anime style
- bright cheerful colors, no shadows