KAIFUKU ("this site") handles readers' personal information under the following policy.
Information we collect
- Newsletter sign-up: your email address
- Inquiries: the name, email address and message contents included in your email
- Analytics: this site uses Cloudflare Web Analytics, which does not use cookies and does not collect information that identifies individuals
How we use it
Collected information is used only for:
- Delivering our newsletter (new-article digests, editor's notes, sign-up bonuses and event announcements)
- Replying to inquiries
- Statistical analysis to improve this site
Storage and processors
We use the email delivery service Kit (Kit Inc.) to send the newsletter, and registered email addresses are stored on that service's servers. If you subscribe to KAIFUKU on Substack, your email address is managed by Substack, Inc. under its own terms. If the services we use change, we will update this page.
Third parties
We do not provide personal information to third parties except as required by law. We never provide or sell it for advertising purposes.
Unsubscribing and deletion
You can unsubscribe from the newsletter at any time via the link at the bottom of every email. To request deletion of your registered information, contact us at the address below.
Contact
For questions about this policy, write to [email protected].
Changes
If this policy is revised, the revision will be announced on this page.
Established: August 26, 2026
Operator: KAIFUKU Editorial Team (Editor-in-chief: Kota Aoki)