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Character continuity tutorial · クリエイター向け独立ガイド

Geminiで漫画キャラクターの一貫性を保つ方法

キャラクター設定資料を固定し、髪型、顔、服装、色、小物を各コマで確認してずれを修正します。

Create consistent comic panels Get Nano Banana prompts

独立した教育コンテンツです。GPT-6とAstraはOpenAI、ClaudeはAnthropic、GeminiとNano BananaはGoogleの製品です。各社の公式な支持を意味しません。 2026年10月15日更新

Recurring character illustrated in a webtoon-style composition for reference and visual continuity inspection
画像の出典: LlamaGen character-to-webtoon gallery reference. It is not a measured Gemini character-consistency result. 出典を確認 ↗

このページは一部のみ翻訳されています。詳細な制作例、プロンプト、FAQは英語のままです。全文の翻訳と確認が終わるまで検索結果には登録しません。

要点

キャラクター設定資料を固定し、髪型、顔、服装、色、小物を各コマで確認してずれを修正します。

Getting one attractive character image is easier than keeping the same face and outfit over a complete comic. Gemini's image documentation supports reference-image workflows, but consistent output still needs controlled prompts and visual QA.

モデルの機能に関する重要事項 Reference-image limits and supported models can change. Check the live Google documentation instead of assuming every Gemini plan supports the same number of references.

資料から確認できること Gemini reference-image guidance describes a mechanism, not a multi-panel perfect-consistency guarantee. Verify the source ↗

Worked example · editable production brief

Eight-panel continuity review sheet

Use these example checks against C01's original character reference. Mark passes only after inspecting actual generated panels.

Checkpoint01–02 · Introduction
Locked reference detailBronze round glasses, asymmetric black fringe
What to compareSame eye and hair silhouette
Checkpoint03–04 · Action
Locked reference detailOrange patch on LEFT sleeve
What to compareAvoid mirrored or missing patch
Checkpoint05–06 · Night scene
Locked reference detailDark-green jacket remains green
What to compareLighting does not change fabric identity
Checkpoint07–08 · Close-up
Locked reference detailSmall mole below RIGHT eye
What to compareFacial anchors still visible

This is an acceptance rubric, not a claim that a Gemini run passed eight panels.

手順ガイド

Follow the sequence using an original or authorized project. The workshop above is an editorial plan, not output falsely attributed to a model.

  1. Step 1

    Create a locked character sheet

    Draw front, side and three-quarter views. Include exact clothing colors, silhouette, freckles, eyewear and a palette. Use artwork you own.

  2. Step 2

    Assign immutable IDs

    Name characters C01, C02 and so on. Reuse the same reference images instead of replacing them with later AI outputs after every panel.

  3. Step 3

    Control variables between frames

    Keep visual identity constant while changing only location, expression, pose and camera angle. Hold art style and lighting vocabulary steady.

  4. Step 4

    Review a grid of eight panels

    Compare eyes, face width, hairstyle, jacket markings, accessory placement and palette across all eight outputs.

  5. Step 5

    Repair just the broken panel

    Use the correct original reference and a constrained regeneration/edit. Avoid rewriting the entire issue when one frame diverges.

コピーして使えるプロンプト

Replace placeholder details with your own original story and reference assets. Paste into a compatible model or workflow; available tools and results differ.

1. Reference-locked comic panel

Character C01 is based on my attached original reference sheet. Preserve their asymmetrical short black hair, round bronze glasses, dark-green jacket with one orange patch on left sleeve, and small mole under right eye. Draw C01 reading a map in a train station. Change only pose, expression and background; no costume redesign or new accessories.

2. Continuity audit prompt

Compare these eight comic panels of character C01 to the reference. For each panel mark face, hair, outfit, palette and props as pass / needs correction. Quote the concrete mismatch; do not claim pixel-perfect identity.

Failure → Cause → Fix

漫画制作で起こる問題と解決策

Specific failure patterns matter more than a generic 'try again'. These fixes target the output you can inspect.

1. The jacket becomes nearly black at night

考えられる原因 Lighting overrode the garment palette.

対処方法 Specify neutral base color and dark-scene lighting separately.

2. Accessories flip sides

考えられる原因 Mirror/inversion is common when pose changes.

対処方法 Call out left/right from the character's perspective and use marked references.

3. After eight panels, the character looks different

考えられる原因 Generated intermediate art replaced the original ground truth.

対処方法 Keep one canonical reference, repair each divergence before continuation.

公開前に確認すること

Review progress: 0 of 4 checks complete

A personal QA worksheet, not an automated pass/fail evaluation of your image.

Create consistent comic panels

よくある質問

Why do colors drift between panels?

Lighting and broad prompts can change interpretation; fix named palette colors and ask to preserve costume colors independent of scene lighting.

Does Gemini guarantee a consistent character?

No. Google documents reference workflows and improvements, not an unconditional multi-panel guarantee.

What if one image is wrong?

Repair the offending panel against the original reference instead of using a drifted output as the new standard.

参考資料

Primary documentation and public creator discussions; not a substitute for hands-on results.