Solution to the problem that the NIKKE paid store cannot be opened. Many players may not know how to solve the problem of being unable to open the game. Here is a detailed introduction for your reference.
Solution to why the paid store cannot be opened
Switch back to the App Store of the corresponding region
If you are using Android: Just log in to the store of whichever server you want and take a look. My client in the Japanese zone logged in with the ID of the Chinese server. You can go to the paid store by changing your ID to the Japanese area.