In the case of paid content that is immediately used or applied upon purchase,
In the case of additional benefits being provided for the content that has been used,
In the case of content where the act of opening can be considered as usage, or where the utility is determined at the time of opening,
In the case of content received as a gift from others or provided free of charge through company events or during the process of using a service,
In the case where only a part of bundled content has been used or applied,
If none of the above cases apply, you may request withdrawal of subscription within 7 days from the later date between the purchase contract date and the date the content becomes available for use.

However, if purchased through the Apple App Store, please note that inquiries should be made through the Apple App Store, not the game company. If a product purchased through the Apple App Store has not been provided, please leave a 1:1 inquiry using the following instructions:

[How to Submit Payment Inquiry]

Tap the menu icon in the top right corner of the game screen, then go to Settings (gear icon) → Information → Select [Customer Center] on the right.
Tap on [Submit 1:1 Inquiry].
Select the payment-related category.
Fill in the form with the order number and other required details, then click on [Submit 1:1 Inquiry].