I canceled CoolDrama but was charged again—what should I do?

CoolDrama states that automatic renewal must be canceled before the renewal date; for Apple or Google subscriptions, cancellation is handled through the corresponding store account.

Check your Apple App Store or Google Play subscription status and confirm that auto-renewal is disabled, then contact CoolDrama support with your cancellation confirmation and charge receipt to request a refund.

If support does not reply, you might want to consider posting a complaint on Xolvie in order to bring attention to the issue and try to find a solution.