In case of payment processing problem, please check below conditions.
1. Payment server may not respond due to weak network signal.
2. Payment may not be processed due to unstable data transmission when connecting from public/shared network.
3. This payment amount will exceed your credit limit.
4. Insufficient memory in your current device.

If the payment problem is not due to any of the above, please contact the App Store you downloaded this game from.

You must feel bad if Dia have not been issued after your payment. In some cases, response from the Market server is slow and it takes a bit longer to process the purchased item.
Please be patient and the Dia are still not issued after 24 hours, please contact the Customer Service with the following information:

※ The Nickname&Server can be checked in the Option (Setting) Menu in the Game.

■ Google Play Store
1. Server & Nick Name & ID
2. Google Payment G-mail Account: (Play Store > Upper left menu)
3. Payment Date & Amount
4. Payment Screen Capture (GPA)
(※ Payment G-mail Account > Transaction)

■ Apple App Store
1. Server & Nick Name & ID
2. Payment Date & Amount
3. Payment Screen Capture
(※ Login to iTunes > Account > Account Info > My Purchases > View All)

Please check below conditions regarding refund.
※ Refund is available only on items that are marked as Refundable, and only within 7 days from the date of purchase.
※ Refund is not available if any portion of the purchased item is used.
※ Refund may not be allowed depending on the Refund Policy of the corresponding App Store.
※ Refund is handled by the Market where you made the purchase. As a result, it may take some time before your refund is processed.

If you want to request for a refund, please contact the Customer Service with the following information:

■ Required Information
1. Server & Nick Name & ID
2. Purchased Market (ex: Google/Apple)
3. Account Info (ex: G-mail for Google)
4. Payment Date & Amount
5. Payment Screen Capture