Recharged NEXON for a support pack but didn't receive it. Emails unanswered.

Here is my situation. I purchased and obtained the early access qualification on the GGG official website. Last Saturday, I upgraded to a $70 support pack through a NEXON game card. However, I did not receive any content from the support pack or the corresponding coins. I sent an email to customer support for assistance. It has been nearly a week, and I have not received any response. I also included the corresponding NEXON recharge card in the email. Recently, I supplemented with the exact time obtained from NEXON and the exact email that was credited to the GGG website, but it still fell into a void.

I also purchased the early access pass for this game at the end of December and thought it was good. When I wanted to recharge currency, I decided to buy the support pack as well. However, with this issue, there isn't even the most basic response, which makes me wonder if my email has ended up in their spam folder. As a result, I am hesitant to upgrade to subsequent support packs, fearing that the money might continue to be swallowed and there will be no response at all. For those of us who purchase game items through NEXON game cards, it seems like we are just out of luck when problems arise.

I'm not sure if the official processing time for my issue is long, or if I'm just out of luck. Maybe GGG has some uncertainty regarding NEXON recharges and doesn't recommend this method. Could you please clarify? Thanks.

Is there really no solution for this situation? It seems the official won't handle it, and we can only accept our bad luck.