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Legal Notice Based on Japan's Act on Specified Commercial Transactions

Last updated: September 3, 2026
SellerRyoichi Sasaki
Address3F Mitsuhashi Building, 1-3-3 Kita-Aoyama, Minato-ku, Tokyo 107-0061, Japan
PhonePlease contact us through the support page.
Support page
Email[email protected]
ServiceKAYA, an app for nurturing relationships through personalized readings grounded in classical Eastern systems
PriceFree plan: free
Premium monthly: JPY 300/month
Premium annual: JPY 2,500/year
For in-app purchases, prices shown in the App Store or Google Play apply. For the web version, the price shown on the checkout page applies.
Payment methodCredit card payment (web version; processed through a payment service provider, and card details are not stored on our servers), or payment methods provided by the App Store (Apple) / Google Play (Google) for in-app purchases.
Payment timingMonthly plan: charged on each renewal date.
Annual plan: charged on purchase and renewed annually.
Web version: charged at sign-up and then on each renewal date. One-time readings are charged at time of purchase.
Service availabilityAvailable immediately after payment is completed. Readings can be viewed and downloaded as soon as payment is completed.
CancellationCancel subscriptions from the App Store or Google Play settings at least 24 hours before renewal. You can continue using Premium until the current subscription period ends. Web version subscriptions can be canceled anytime from account settings in the app or on the site; canceling before the day before the next renewal date avoids the next charge, and you can keep using the service until the end of the current period.
Returns and refundsDue to the nature of digital content, refunds are generally not available. Refund requests under Apple or Google store policies should be submitted to each store. For the web version, refunds after service has begun are generally not available due to the nature of digital content; if you were double-charged or could not use the service due to a serious malfunction, please contact us via the support form.
System requirementsiOS 16 or later / Android 8.0 (API 26) or later. Internet connection is required for AI features.
This notice is provided for purchases governed by Japanese law. Displayed prices include tax. Readings and AI explanations are reference information and are not a substitute for professional advice.

KAYA ふたりの相性鑑定書 — a one-time compatibility reading sold on Coconala

How it is soldSold as a one-time purchase through Coconala, an external Japanese marketplace. This is a separate transaction from the in-app purchase (Premium) described above, and the listing and ordering process are provided in Japanese only.
PriceJPY 2,000 (tax included)
Payment method and timingFollows Coconala's payment method and purchase process.
Service availabilityDelivered as a report (PDF and text) within 48 hours after all required input (birth date, etc.) has been provided in the Coconala chat room.
Cancellation, returns, and refundsDue to the nature of digital content, refunds are generally not available. Requests under Coconala's policies follow Coconala's own cancellation and refund policy.
"KAYA ふたりの相性鑑定書" is a one-time service provided through Coconala (operated by Coconala, Inc.) and is separate from the in-app purchase above. Purchase, cancellation, and refunds follow Coconala's terms of use. See our Privacy Policy for how personal data is handled for this one-time service.