Prometary : AIキャラ創作 &ショートストーリー

Content rating
Everyone
10K+
Downloads
Content rating
Everyone
Users Interact
Learn more
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About this game

Your created characters come to life in a story.

Prometary (commonly known as Prometa) is an app where you create original characters and enjoy stories born from their interactions through text and illustrations.

By registering your characters' names, personalities, speech patterns, abilities, and pasts, unique stories reflecting those settings will be generated.

They can embark on adventures, battle rivals, or live peaceful daily lives.

You can delve deeply into a single character, or create various characters and enjoy their respective exploits and relationships.

"How would this character act if they went on an adventure?"

"What kind of relationship would these two have if they met?"

"I want to see a side of them I haven't seen yet."

Enjoy such imaginations through text and illustrations.

Even if you're not good at writing stories or drawing, that's okay.

Send your characters into a story, and their personalities will lead to actions, conversations, and unexpected developments.

Completed characters and stories can be published within the app.

Expand your creative world by sharing your work with other users and discovering new characters and stories.

It's not just about creating characters; it's about seeing their stories and adventures unfold.

Start a new story for your characters with Prometa.

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◆ What you can do with Prometa

◯ Create original characters

You can freely set their names, personalities, speech patterns, abilities, and pasts.

You can register newly created characters, as well as characters from TRPGs or characters you've been developing.

The more detailed you set, the more their actions and conversations will reflect their true character.

◯ Generate character stories

Combine characters and generate stories with text and illustrations that reflect their settings.

Enjoy various situations such as daily life, travel, adventure, and battles.

By changing combinations, you can discover new relationships and aspects of characters you never knew existed.

◯ Post and share characters and stories

Publish your created characters and stories to share with other users.

You can send "likes" to characters and stories you like, and bookmark characters. You can also follow your favorite users and enjoy their new posts.

◯ Enjoy character and story rankings

You can aim for a higher ranking based on the response to your posted stories.

Post stories that convey the charm of your characters and reach more users.

You can also find popular stories and featured characters from the rankings.

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◆ Recommended for those who:

・Enjoy thinking about the settings and worldviews of original characters

・Want to see stories and new sides of their own characters

・Enjoy the relationships and interactions between characters

・Like novels, light novels, short stories, and TRPGs

・Want to enjoy character creation even if they are not good at drawing or writing

・Want to post characters and stories and have other users see them

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Create characters, send them into stories, and watch their exploits.


Publish stories and share them with other users, expanding the world of your characters.


Prometa delivers new encounters, stories, and stages for your characters to shine.


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If you have any questions or comments, please contact us at the email address below.


cylindersite.cs@gmail.com
Use AI to create and animate original characters! Create the ultimate character by generating AI illustrations and writing your own backstory, and enjoy endless stories!
Updated on
Aug 26, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Personal info and Device or other IDs
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

○新機能
・設定にアプリのフレームレートを調整できる項目を追加

○機能改善
・各画面のおすすめを起動時にまとめて取得するように修正
・生成サービスの一時的な障害への対策実装
・コラボ可否の表示を改善
・ストーリー文章のリッチテキストもOFF

○不具合修正
・広告視聴を完了してもエラーで生成できない不具合を修正
・履歴から非公開プロンプトが一部見れてしまう不具合を修正
Content rating
Everyone
Users Interact
Learn more

App support

About the developer
COILSITE, K.K.
coilsite.cs@gmail.com
1-10-8, DOGENZAKA SHIBUYA DOGENZAKA TOKYU BLDG. 2F-C SHIBUYA-KU, 東京都 150-0043 Japan
+81 90-8563-6299

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