Privacy Policy (Summary)

1. Personal Information Collected

The Happy Circuit only allows sign-up through Google OAuth login.

• Google email address
• Google name (nickname)

* We never collect sensitive information such as national ID numbers, phone numbers, or addresses.

2. Purpose of Use

• User identification and service usage
• Statistical analysis for service improvement

3. Retention and Disposal

Upon account deletion request, all collected personal information will be immediately destroyed and cannot be recovered.

• Retention period: During membership period
• Disposal method: Permanent deletion of electronic files

4. Information Sharing

We do not provide or disclose personal information to third parties without user consent.