NanaChan AI Privacy Policy

Hexpy Games (hereinafter referred to as "Company," "we," "us," or "our") is committed to protecting the freedom and rights of data subjects by complying with the Personal Information Protection Act and related laws and regulations to lawfully process and securely manage personal information. In accordance with Article 30 of the Personal Information Protection Act, we establish and disclose this Privacy Policy to inform data subjects about the procedures and standards for processing personal information and to promptly and smoothly handle related grievances.

This policy applies to all users worldwide, and users in certain regions may be provided with additional rights.


Table of Contents

  1. Purpose of Processing Personal Information
  2. Personal Information We Collect
  3. Processing of Personal Information of Children Under 14
  4. Retention and Use Period of Personal Information
  5. Destruction Procedures and Methods
  6. Consignment of Personal Information Processing
  7. International Transfer of Personal Information
  8. Security Measures
  9. Installation and Operation of Automatic Collection Devices
  10. Rights and Obligations of Data Subjects
  11. Privacy Officer
  12. Remedies for Infringement of Rights
  13. Third-Party Services
  14. Additional Information for EEA Users
  15. Additional Information for California Users
  16. Changes to This Privacy Policy

1. Purpose of Processing Personal Information

We process personal information for the following purposes. The personal information we process will not be used for purposes other than those stated below, and if the purpose of use changes, we will take necessary measures such as obtaining separate consent in accordance with Article 18 of the Personal Information Protection Act.

1) Membership Registration and Management

2) Service Provision

3) Service Improvement


2. Personal Information We Collect

We collect and process the following personal information:

Legal Basis Collection Purpose Items Collected Retention Period
Personal Information Protection Act Article 15(1)(4) (Contract Performance) Membership registration and service provision Email address, Name Until membership withdrawal (30-day recovery period after withdrawal)
Personal Information Protection Act Article 15(1)(4) (Contract Performance) In-app purchase processing Transaction identification information (provided by Apple/Google) 5 years (E-Commerce Act)

2) Automatically Collected Information

Items Collected Collection Purpose Collection Method Retention Period
Device information (OS, device model, unique identifier) Service provision and error analysis Automatic collection via Sentry 90 days
App usage logs (error information, crash reports) Service quality improvement Automatic collection via Sentry 90 days
Advertising identifier (IDFA/GAID) Ad serving Google AdMob According to ad platform policy

3) Information We Do NOT Collect

4) Image Processing


3. Processing of Personal Information of Children Under 14

We restrict the processing of personal information of children under 14 years of age.


4. Retention and Use Period of Personal Information

We retain and use personal information within the retention and use period prescribed by law.

Category Items Retained Retention Period Legal Basis
Member information Email, Name Until membership withdrawal Service provision
Withdrawn member information Email, Name 30 days Account recovery support
Transaction records In-app purchase information 5 years E-Commerce Act Article 6
Log data Error logs, device information 90 days Service quality improvement

5. Destruction Procedures and Methods

We destroy personal information without delay when it becomes unnecessary due to the expiration of the retention period or achievement of the processing purpose.

1) Destruction Procedure

2) Destruction Method

3) Exception to Destruction


6. Consignment of Personal Information Processing

We consign personal information processing tasks as follows for smooth business operations:

Consignee Consigned Tasks
Supabase, Inc. Member authentication and data storage
Functional Software, Inc. (Sentry) Error tracking and performance monitoring
Google LLC (AdMob) Ad serving

When entering into consignment contracts, we specify and document matters such as prohibition of personal information processing beyond the consignment purpose, technical and administrative protection measures, restrictions on re-consignment, management and supervision of consignees, and liability for damages in accordance with Article 26 of the Personal Information Protection Act, and supervise whether consignees safely process personal information.

If the content of consigned tasks or consignees change, we will disclose such changes through this Privacy Policy without delay.


7. International Transfer of Personal Information

We transfer personal information internationally as follows to provide services:

1) AI Image Generation Service

Item Details
Legal Basis Personal Information Protection Act Article 28-8(1)(3) (Processing consignment)
Items Transferred Uploaded images (temporary processing)
Country of Transfer United States (Google Cloud servers)
Transfer Timing and Method Immediately upon image generation request, transmission via encrypted network
Recipient Google LLC (Gemini API)
Purpose of Use AI image generation processing
Retention and Use Period Immediately deleted upon processing completion (according to Google policy)

2) Data Storage and Authentication

Item Details
Legal Basis Personal Information Protection Act Article 28-8(1)(3) (Processing consignment)
Items Transferred Email address, Name
Country of Transfer United States (Supabase servers)
Transfer Timing and Method Upon membership registration, transmission via encrypted network
Recipient Supabase, Inc.
Purpose of Use Member authentication and data storage
Retention and Use Period Until 30 days after membership withdrawal

3) Error Tracking

Item Details
Legal Basis Personal Information Protection Act Article 28-8(1)(3) (Processing consignment)
Items Transferred Device information, error logs
Country of Transfer United States (Sentry servers)
Transfer Timing and Method Immediately upon error occurrence, transmission via encrypted network
Recipient Functional Software, Inc. (Sentry)
Purpose of Use Service error correction and quality improvement
Retention and Use Period 90 days

4) How to Refuse International Transfer

If you do not wish for international transfer, you can proceed with membership withdrawal through the app's settings menu. However, since international transfer is essential for service provision, the service will be unavailable if you refuse.


8. Security Measures

We take the following measures to ensure the security of personal information:

1) Administrative Measures

2) Technical Measures

3) Physical Measures

Despite our best efforts, no method of transmission or storage is 100% secure, and we cannot guarantee absolute security.


9. Installation and Operation of Automatic Collection Devices

1) Collection of Advertising Identifiers

We collect advertising identifiers as follows to provide personalized advertising:

Item Details
Items Collected Advertising identifier (iOS: IDFA, Android: GAID)
Collection Method Automatic collection via Google AdMob SDK
Collection Purpose Serving personalized ads
Retention Period According to Google AdMob policy

2) How to Block Advertising Identifiers

iOS:

  1. Settings → Privacy & Security
  2. Tracking → Disable 'Allow Apps to Request to Track'

Android:

  1. Settings → Security & Privacy
  2. Privacy → More Privacy Settings → Ads
  3. Select 'Delete advertising ID'

Even if you refuse the collection of advertising identifiers, there will be no restrictions on service use, but general ads may be displayed instead of personalized ads.


10. Rights and Obligations of Data Subjects

Data subjects may exercise the following privacy-related rights against the Company at any time:

1) Exercisable Rights

2) How to Exercise Rights

3) Notes on Exercising Rights


11. Privacy Officer

We have designated the following Privacy Officer to oversee matters related to personal information processing and to handle complaints and remedies for data subjects:

Privacy Officer

Data subjects may contact the Privacy Officer regarding any inquiries, complaints, or remedy requests related to privacy while using our services. We will respond to and handle your inquiries without delay.


12. Remedies for Infringement of Rights

Data subjects may apply for dispute resolution or counseling to the following organizations to receive remedies for personal information infringement:

Korea

European Union (EU/EEA)

United States (California)


13. Third-Party Services

Our app integrates with third-party services that have their own privacy policies:

Please review these third-party privacy policies. We are not responsible for the privacy practices of third parties.


14. Additional Information for EEA Users

If you reside in the European Economic Area (EEA), United Kingdom, or Switzerland, you are provided with the following additional rights and information under the General Data Protection Regulation (GDPR).

Processing Activity Legal Basis GDPR Article
Membership registration and service provision Contract performance Article 6(1)(b)
In-app purchase processing Contract performance Article 6(1)(b)
Service improvement and analysis Legitimate interests Article 6(1)(f)
Ad serving Consent Article 6(1)(a)
Legal obligation compliance Legal obligation Article 6(1)(c)

Legitimate Interests: Our legitimate interests are service quality improvement, security maintenance, and fraud prevention.

2) Additional Rights Under GDPR

In addition to the rights in Section 10, you have the following rights:

3) Objection to Processing Based on Legitimate Interests

Under GDPR Article 21, you have the right to object to processing of personal information based on legitimate interests. In such cases, we will cease processing the personal information unless we can demonstrate compelling legitimate grounds that override your interests, rights, and freedoms.

4) Filing Complaints with Supervisory Authority

You have the right to file a complaint with the data protection supervisory authority in your country of residence regarding the processing of personal information.

5) International Data Transfers

Transfers of personal information outside the EEA are protected through appropriate safeguards such as:

6) Data Protection Officer

For GDPR-related inquiries, please contact us at yeonwoo.jo@hexpy.games.


15. Additional Information for California Users

California residents have the following additional rights under the California Consumer Privacy Act (CCPA) and the California Privacy Rights Act (CPRA).

1) Rights Under CCPA/CPRA

2) Categories of Personal Information Collected

We have collected the following categories of personal information in the past 12 months:

Category Examples Collected
Identifiers Name, email address ✅ Yes
Commercial information Purchase records ✅ Yes
Internet activity App usage logs ✅ Yes
Biometric information Fingerprints, facial recognition ❌ No
Geolocation data GPS coordinates ❌ No

3) Sale or Sharing of Personal Information

We do NOT sell personal information as defined by the CCPA.

We may share the following categories of personal information with third parties for advertising purposes:

4) Sensitive Personal Information

We do not collect sensitive personal information as defined by the CCPA.

5) California "Shine the Light" Law

Under California Civil Code Section 1798.83, you may request information about personal information disclosed to third parties for marketing purposes once per year, free of charge.

6) How to Exercise Rights

You may exercise your rights by sending an email to yeonwoo.jo@hexpy.games or through the app's settings.

We may request additional information to verify your identity when exercising rights, and requests through authorized agents are also possible.


16. Changes to This Privacy Policy

1) Effective Date

This Privacy Policy is effective from October 11, 2025.

2) Notice of Changes

If there are additions, deletions, or modifications to the content of this Privacy Policy, we will announce them through in-app notifications at least 7 days before the implementation of the changes.

However, if there are significant changes that affect data subject rights, such as changes to the items of personal information collected or purposes of use, we will notify at least 30 days in advance and obtain consent again if necessary.

3) Continued Use After Changes

Continued use of the service after the effective date of the revised Privacy Policy will be considered as consent to the revised Privacy Policy.

4) Revision History


Contact Us

If you have any questions about this Privacy Policy or the processing of personal information, please contact us:

Email: yeonwoo.jo@hexpy.games

Company Name: Hexpy Games

Representative: Yeonwoo Jo

Address: 49-6, Maenami-gil, Salmi-myeon, Chungju-si, Chungcheongbuk-do, Republic of Korea

Response Time: Within 5 business days


Effective Date: October 11, 2025

Last Updated: October 11, 2025

Version: 1.0

© 2025 Hexpy Games. All rights reserved.