Privacy
Last updated: October 2026
This page explains what information is collected when you visit this site or buy The Simple Japanese Kitchen.
When you buy
Checkout is handled by Gumroad. Your card details go to Gumroad and its payment processors, never to me. I receive your name, email address and order details so I can deliver the book and help you if something goes wrong.
When you write to me
If you send a question or a refund request, I keep your email address and message only to answer you.
Cookies and analytics
This site may use basic analytics and advertising pixels to understand which pages are useful. They do not receive your payment details.
Your choices
You can ask me to delete your information at any time by writing to support@hirokiyamamoto.xyz.