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Privacy Policy

Last updated：April 17, 2026

1. Who We Are

Shibuya Press is a publishing label operated by Simba Hu. We publish ebooks, audiobooks, and print books in data & AI, life design, and self-optimization.

Data Controller: Shibuya Press
Contact: contact@shibuyapress.com

2. What Data We Collect

2.1 Data We Collect Directly

  • Email address — if you subscribe to our newsletter or contact us
  • Name — if you provide it when contacting us
  • Payment information — processed by third-party payment providers (Stripe, Gumroad); we do not store card details

2.2 Data Collected Automatically

  • Analytics data — page views, referrers, device type, country (via Cloudflare Analytics or Google Analytics)
  • Cookies — see Section 6 below
  • Server logs — IP address, browser type, access times (via Cloudflare)

2.3 Data We Do Not Collect

We do not collect sensitive personal data such as racial or ethnic origin, political opinions, religious beliefs, health data, or biometric data.

3. How We Use Your Data

  • Processing purchases and delivering digital content
  • Sending newsletters and updates (only with your consent)
  • Responding to inquiries and support requests
  • Analyzing Site usage to improve our content and services
  • Complying with legal obligations

4. Data Sharing

We may share your data with:

  • Payment processors — Stripe, Gumroad (to process transactions)
  • Email platforms — Beehiiv, ConvertKit (to deliver newsletters)
  • Analytics providers — Cloudflare, Google Analytics (to understand Site usage)

We do not sell, rent, or trade your personal data to third parties for marketing purposes.

5. International Data Transfers

As we are based in Japan and use US-based service providers (Cloudflare, Stripe, Google), your data may be transferred to and processed in countries outside your country of residence.

6. Cookies

  • Essential cookies — required for the Site to function (e.g., language preference)
  • Analytics cookies — to understand how visitors use the Site (Cloudflare, Google Analytics)

We do not use advertising or tracking cookies. You can control cookies through your browser settings.

7. Your Rights

You have the right to:

  • Access — request a copy of your personal data
  • Rectification — correct inaccurate or incomplete data
  • Erasure — request deletion of your data
  • Restriction — limit how we process your data
  • Withdraw consent — at any time, without affecting prior processing

To exercise these rights, contact us at contact@shibuyapress.com.

8. Data Retention

  • Purchase records — retained for 7 years (tax compliance)
  • Email subscriber data — retained until you unsubscribe
  • Analytics data — retained per provider defaults (Cloudflare: 30 days, Google Analytics: 14 months)
  • Contact inquiries — retained for 2 years, then deleted

9. Children's Privacy

We do not knowingly collect personal data from children under 16. If you believe a child has provided us with personal data, contact us immediately.

10. Security

We implement appropriate technical and organizational measures to protect your personal data, including HTTPS encryption, secure third-party processors, and access controls.

11. Changes to This Policy

We may update this Privacy Policy from time to time. Changes will be posted on this page with an updated date.

12. Contact

For privacy inquiries, data requests, or complaints:

Shibuya Press
Email: contact@shibuyapress.com