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Privacy Policy

This Privacy Policy explains how we handle personal information in the AI TRPG service

Basic Policy

AI TRPG (hereinafter "the Service") considers the protection of your personal information to be an important responsibility. We comply with the Personal Information Protection Act and related laws and strive to handle your information appropriately. This Privacy Policy explains what personal information the Service collects and how it is used and protected.

Article 1 (Information We Collect)

We may collect the following information in providing the Service:

1. Account Information

  • Email address
  • Username
  • Password (stored encrypted)
  • Profile image (stored in Firebase Storage)

2. Service Usage Information

  • Game play history and statistics (scenarios played, play time, etc.)
  • AI feature usage (number and content of text/image generation)
  • Created scenarios and character information
  • Chat history
  • Access date and time
  • Input in AI Umigame no Soup (the text you enter as questions and truths) and the master's replies, verdicts and whispers
  • Play results in AI Umigame no Soup (number of questions, whispers used, time taken, chosen master, rank in the Rankings)
  • Reviews in AI Umigame no Soup (rating, comment)

3. Technical Information

  • IP address
  • Browser information
  • Device information
  • Cookie information
  • Anonymous session information (usage statistics for unregistered users)

4. Anonymous Statistical Information

For unregistered users, we only collect anonymous information that cannot identify individuals:

  • Session-based usage statistics (non-identifiable)
  • Game feature usage (anonymized)
  • Anonymized behavioral data for service improvement

Article 2 (Purpose of Use)

We use the collected personal information for the following purposes:

  • Provision, operation, and improvement of the Service
  • Provision of user support
  • Investigation and response to violations of the Terms of Service
  • Provision of information about new features and services
  • Creation of statistical data (processed in a form that cannot identify individuals)
  • Analysis and improvement of service usage (including anonymized statistics)
  • Enhancement of user experience and content optimization
  • Compliance with laws and regulations
  • Showing the Rankings and reviews of AI Umigame no Soup and creating the page for sharing a result
  • Detecting and responding to misuse, such as input that tries to extract the answer the master is hiding
  • Other operations necessary for the sound operation of the Service

Article 3 (Provision to Third Parties)

We will not provide personal information to third parties without your consent, except in the following cases:

  • When required by law
  • When necessary to protect life, body, or property of individuals
  • When particularly necessary for improving public health or promoting sound development of children
  • When it is necessary to cooperate with state organs or local governments in performing legally prescribed affairs

Article 3-2 (Sending Data to External AI Services)

To generate text and images with AI, the Service sends the text you enter and the information needed to run the game to external AI services.

  • Recipient: the generative AI service provided by Google LLC (Gemini API)
  • What is sent: the text you enter, the settings of scenarios, puzzles and characters, and the recent record of play, limited to what generation needs
  • The recipient may operate servers outside Japan. How the information you send is handled follows the recipient's terms and privacy policy
  • Please do not include your own or anyone else's name, contact details or other personal information in the text you enter

Article 3-3 (Information Shown in Rankings and Reviews)

In AI Umigame no Soup, the following is shown to everyone who uses the Service.

  • Rankings: display name, number of questions, time taken, chosen master, rank
  • Reviews: display name, rating (Thanks for the meal / Hmm...), comment, play result (number of questions, master)
  • The page for sharing a result (anyone who knows the link can view it): puzzle name, title, number of questions, rank, master and the record of replies. It does not include your name, the text you entered or the truth of the puzzle
  • Email addresses are not shown. When a display name is the same as part of the email address, or we otherwise find it inappropriate, we do not show the name

Article 4 (Security Management of Personal Information)

We take necessary measures for the security management of personal information to prevent leakage, loss, or damage:

  • Use of SSL/TLS encrypted communication
  • Database encryption
  • Access restriction and log monitoring
  • Regular security audits
  • Employee education and training

Article 5 (About Cookies)

The Service uses cookies to improve service convenience. Cookies do not identify individuals.

If you do not wish to use cookies, you can disable them in your browser settings, although some service features may be limited.

Settings of the game screen (sound effects, background motion, skipping the opening and so on) are saved in your browser's local storage. These settings are not sent to the server.

Article 6 (About Anonymous Statistical Data)

The Service collects and analyzes anonymous statistical data for service improvement purposes.

Collected Anonymous Statistics

  • Game feature usage (scenario play count, duration, etc.)
  • AI feature usage frequency (number of text/image generations)
  • Session-based behavior patterns (non-identifiable)
  • Overall service usage trends

Privacy Protection Measures

  • No personally identifiable information is included
  • No individual tracking by IP address or other means
  • Detailed behavioral data is deleted after session ends
  • Only aggregated statistical data is retained

Article 7 (About Google Analytics)

The Service uses Google Analytics, an access analysis tool provided by Google. Google Analytics uses cookies to collect traffic data.

This traffic data is collected anonymously and does not identify individuals. You can refuse collection by disabling cookies.

Article 8 (Your Rights)

You have the following rights regarding your personal information:

  • Request for disclosure of personal information
  • Request for correction, addition, or deletion of personal information
  • Request for suspension or erasure of use of personal information
  • Request for suspension of provision of personal information to third parties

We will respond to these requests in accordance with laws and regulations after confirming your identity.

Article 9 (Retention Period of Personal Information)

The retention period for personal information is the period necessary to achieve the collection and use purposes. If a retention period is stipulated by law, we will retain the information for that period. When an account is deleted, personal information will be deleted except for information that is required by law to be retained.

Payment history of users who used a paid plan in the past is retained for the period required by law.

Play records and reviews of AI Umigame no Soup are kept until you delete your account.

Article 10 (Changes to Privacy Policy)

We may change this Privacy Policy in accordance with changes in laws and regulations or service content. The revised Privacy Policy will take effect when posted on this site.

Article 11 (Contact)

For inquiries regarding this Privacy Policy or questions about the handling of personal information, please contact us through the inquiry form.

Enacted: January 1, 2024
Last revised: October 3, 2026 (effective the same day)
AI TRPG