In the main screen, you can see a top up icon with sexy Nami. Please choose it.
It will lead to another screen. Choose Top Up one more time.
At this point, you can choose your suitable payment methods. If you Top up via Google or Apple you just have to choose the amount pack.
After choosing the value, you have to confirm your payment and then it is done now.
Hope you have a great journey. Set sail and claim your Victory, my dear.
- Nami -