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LinkHeart Privacy Policy

Last updated: 2026-03-01

Article 1. Operator Information

This service is operated by the following individual:

  • Operator: Hideto Mori
  • Contact: privacy@linkheart.app

Article 2. Information We Collect

2.1 Account Information

This service collects only the minimum information required:

  • Email address (for account verification)
  • Username
  • Password (stored in encrypted form)

2.2 User Content

  • Post text
  • Post images

2.3 Information We Do Not Collect

We do not collect the following information:

  • Access logs (IP address, access timestamps, etc.)
  • Cookies or tracking data
  • Analytics data (such as Google Analytics)
  • Profile details (birth date, address, etc.)

Article 3. Purpose of Use

Collected information is used only for the following purposes:

  • Providing account verification and login functionality
  • Displaying posted content
  • Providing core service functionality

Article 4. Data Storage

4.1 Storage Location

Collected information is securely stored in the following environment:

  • Storage provider: Amazon Web Services (AWS)
  • Region: Japan (ap-northeast-1)
  • Database: Amazon RDS

4.2 Security Measures

  • Encrypted communication over HTTPS (SSL/TLS)
  • Hashed password storage
  • Protection using AWS security features

Article 5. Sharing with Third Parties

5.1 Principle

We do not provide users' personal information to third parties.

5.2 Exceptions

Information may be disclosed only when required by law in the following cases:

  • Legally required disclosure requests (such as court orders)
  • When necessary to protect life, bodily safety, or property

Article 6. Affiliate Links

This service contains the following affiliate links:

  • DMM / FANZA (DMM.com LLC)

Clicking an affiliate link will take you to the relevant external site.

The privacy policy of the destination site is governed by that service provider.

This service does not share personal information with affiliate partners.

Article 7. Data Deletion

7.1 Account Deletion

Users can delete their account at any time from account settings.

Deleting an account removes the following data:

  • Account information (email address, username)
  • Posted content (text and images)

7.2 Execution of Deletion

Account deletion is executed immediately and cannot be undone.

Article 8. Age Restriction

This service prohibits use by anyone under 18 years old.

An age confirmation step is shown when using the site, but strict ID verification is not performed.

If underage use is discovered, the account may be removed.

Article 9. Changes to This Privacy Policy

This policy may be updated in response to service changes or legal revisions.

Important changes will be announced within the service.

Article 10. Contact

For privacy-related questions or requests for data disclosure or deletion, please contact us at the following email address:

privacy@linkheart.app

As an Indie Project

LinkHeart keeps data collection to a minimum and respects user privacy.
If anything is unclear, feel free to contact us.