Follow the steps below to top up your Nexon Korea account with Nexon Cash Card Korea:
1. Login with your Nexon KR account here Nexon Korea Member Login Page
2. After logged in, click the topup button as picture at below.
3. Select to use Nexon card 넥슨카드/넥슨핀, then tap go pay and agree.
4. Enter your card code and redeem it by following the steps as below.
5. You'll see the screen below once your top up is successful.