Privacy Policy

Last Updated: November 2025

Overview

JiETNG values your privacy. This privacy policy explains how we collect, use, and protect your personal information.

Information We Collect

Required Information

To provide the service, JiETNG collects the following information:

• SEGA ID Credentials: Your SEGA ID username and password
• LINE User ID: Used to identify your LINE account
• maimai Score Data: Game data retrieved from the official maimai NET

Automatically Collected Information

• Command Usage Records: Commands you use and usage times
• Error Logs: Error information used for debugging and service improvement

How We Use Your Information

We use the collected information to:

1. Provide Services:

   • Fetch your score data from maimai NET
   • Generate score charts and statistics
   • Respond to your commands

2. Improve Services:

   • Analyze usage patterns to improve features
   • Debug and fix errors
   • Optimize performance

3. Security Purposes:

   • Prevent abuse and fraud
   • Protect service integrity

Data Storage and Security

Encryption

• Password Encryption: Your SEGA password is stored using industry-standard encryption methods
• Transmission Security: All data transmissions use HTTPS encryption

Data Retention

• Active Accounts: We retain your data as long as your account is active
• Account Deletion: When you use the unbind command, all stored data is permanently deleted

Access Control

• Only the JiETNG system can access your data
• No manual viewing or access to your personal information
• We do not share your data with third parties

Third-Party Services

JiETNG interacts with the following third-party services:

• SEGA maimai NET: To retrieve your game data
• LINE Platform: For messaging functionality

We do not control the privacy policies of these third parties. Please review their privacy policies for details.

Your Rights

You have the following rights regarding your data:

Right to Access

• Use the profile command to view stored account information

Right to Deletion

• Use the unbind command to delete all stored data
• Deletion is immediate and permanent

Right to Update

• Use the bind command to update your credentials
• Use the maimai update command to refresh your score data

Cookies and Tracking

JiETNG does not use cookies or other tracking technologies.

Children's Privacy

JiETNG does not knowingly collect information from children under 13 years of age. If you believe we may have collected information from a minor, please contact us.

Data Breach Notification

In the event of a security breach affecting your data, we will:

1. Immediately investigate the incident
2. Take measures to mitigate damage
3. Notify affected users as soon as possible

Policy Changes

We may update this privacy policy from time to time. Significant changes will be notified through:

• Announcements in the bot
• Updates to the "Last Updated" date on this page

Data Portability

You may request to export your data. Please contact the support team to request data export.

Legal Basis

We process your data based on the following legal grounds:

• Contractual Necessity: To provide the services you request
• Legitimate Interests: To improve and protect our services
• Consent: Your use of our services indicates consent to this policy

International Data Transfer

Your data may be processed on servers outside your country/region. We take appropriate measures to ensure your data is protected.

Contact Us

If you have any questions or concerns about this privacy policy:

• 📧 GitHub Issues: github.com/Matsuk1/JiETNG/issues
• 💬 Discord: Join our Discord server

Related Policies

• Terms of Use
• Support and Help
• FAQ

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Effective Date: December 1, 2025

By using JiETNG, you acknowledge that you have read and understood this privacy policy.