Privacy Policy

Last updated: 2026-07-16

We respect your privacy and handle data in line with Japan's APPI.

What we collect

(1) Email, display name, and learning progress when you create an account; (2) only with your consent, analytics (Google Analytics 4) and ad-measurement cookies / an anonymous id. There is no newsletter and we do not collect email addresses for one.

Cookies & consent

Analytics and ad-measurement cookies are enabled only if you choose 'Accept' on the first-visit banner. 'Essential only' keeps them off. You can change this anytime.

Purpose

To provide the service (e.g. saving your progress), improve quality, optimise content and ads, and respond to enquiries.

Third parties

We do not share personal data without consent except as required by law. Analytics uses Google Analytics 4 (IP anonymised), only with consent.

Retention & deletion

We delete data when no longer needed. Contact us to delete your account or data.

Contact

For questions about this policy or your data, use the contact details on the site.

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