Datenschutzerklärung

Zuletzt aktualisiert: 15. April 2026

1. Introduction

NIJURASEN (sole proprietor, "we," "us," or "our") is committed to protecting the privacy of users of kimura512.dev and our applications, including Suiai Map (collectively, the "Services"). This Privacy Policy describes the types of information we collect, how we use it, how we protect it, and your rights regarding your personal data. By using our Services, you agree to this Privacy Policy. If you do not agree, please discontinue use of our Services.

2. Controller Information

Trade Name: NIJURASEN Business Type: Sole Proprietor Website: https://kimura512.dev Contact: info@kimura512.dev For any questions, complaints, or data deletion requests, please contact us at the email address above. We will respond without undue delay.

3. Information We Collect

We collect only the information necessary to provide our Services: [Account Information] • Email address (for account registration and authentication) • Display name (a username you choose) • Password (stored in hashed form; never stored in plain text) [Usage Data] • In-app actions and feature usage for the purpose of improving our Services • Diagnostic data and error logs [Log & Technical Data] • IP address (processed by Cloudflare) • Device type, OS version, browser type • Access timestamps and referring URLs [Location Data] • Suiai Map may request access to your device's location to provide map features. Location data is only collected with your explicit permission and is used only temporarily within the app; it is not transmitted to or stored on our servers.

4. How We Use Your Information

We use collected information solely for the following purposes: • Creating, authenticating, and managing your account • Providing customer support • Improving Service quality, fixing bugs, and developing new features • Detecting and addressing fraud, abuse, and security incidents • Complying with legal obligations We do not use your information for purposes beyond those listed above. We do not share your data with third parties for advertising without your explicit consent.

5. Information Sharing & Third Parties

We do not sell your personal information. We share data only with service providers necessary to operate our Services: [Infrastructure Providers] • Cloudflare, Inc. (USA) Used for CDN, DNS, security, and serverless compute (Workers). Cloudflare may process network traffic data. Privacy Policy: https://www.cloudflare.com/privacypolicy/ • Vercel, Inc. (USA) Used for website hosting and Edge Network delivery. May process access logs. Privacy Policy: https://vercel.com/legal/privacy-policy • Supabase, Inc. (USA) Used as our database for account and application data. Data is stored in encrypted form. Privacy Policy: https://supabase.com/privacy [Future Services (may be added)] • Google Analytics (usage analytics) • Google AdMob (advertising) • Firebase (push notifications and analytics) If any of these are added, we will update this Policy and notify users accordingly. [Other Disclosures] • With your explicit consent • When required by law or legal process • To protect the rights, property, or safety of NIJURASEN, our users, or the public

6. Data Retention

• Account data: Deleted within 30 days of receiving an account deletion request (except data required to be retained by law). • Log data: Automatically deleted within 90 days. • Anonymized usage statistics may be retained in aggregate, non-identifiable form for service improvement purposes.

7. Data Security

We implement appropriate technical and organizational measures to protect your data: • Encrypted data transmission (TLS/HTTPS) • Password hashing (bcrypt or equivalent) • Access controls and the principle of least privilege • Regular security reviews While we strive to protect your information, no method of internet transmission is 100% secure. We continuously work to improve our security practices.

8. Your Rights & Account Deletion

You have the following rights regarding your personal data: • Access: Request a copy of the data we hold about you • Correction: Request correction of inaccurate data • Deletion: Request deletion of your account and associated data • Restriction: Request that we restrict processing of your data under certain conditions • Portability: Receive your data in a machine-readable format To exercise any of these rights, contact us at info@kimura512.dev. We will respond within 30 days. [Account Deletion] You may request account deletion via the in-app settings or by emailing info@kimura512.dev. Upon deletion, your data will be permanently removed from all our systems within 30 days.

9. Additional Rights for EU / UK Users (GDPR)

For users in the EU and UK, we process your personal data under the following legal bases: performance of a contract (providing the Services) and legitimate interests (security and service improvement). You have the right to lodge a complaint with your local data protection authority. For GDPR-related inquiries, contact info@kimura512.dev.

10. Additional Rights for California Users (CCPA)

California residents have the right to know what personal information we collect, request deletion of their data, and opt out of the sale of personal information. We do not sell personal information. To exercise your CCPA rights, contact info@kimura512.dev.

11. Children's Privacy

Our Services are not directed to children under 13 (or under 16 in the European Union). We do not knowingly collect personal information from children under 13. If we become aware that we have inadvertently collected such information, we will take immediate steps to delete it. Please contact info@kimura512.dev if you believe a child has provided us with personal data.

12. Cookies & Tracking Technologies

We use cookies and similar technologies (e.g., local storage) for session management and authentication. If we integrate analytics services such as Google Analytics, we will notify users about cookie use and obtain consent where required by applicable law.

13. Changes to This Policy

We may update this Privacy Policy from time to time. For material changes, we will update the "Last Updated" date and notify users via in-app notification or email. Continued use of our Services after changes take effect constitutes acceptance of the revised Policy.

14. Contact Us

For questions, concerns, or requests regarding this Privacy Policy: kimura512 Email: info@kimura512.dev Website: https://kimura512.dev
© 2026 kimura512. All rights reserved.