You can check the FAQ page or the Customer Support Center in the game.

Kindly check the steps below.

◈ How to contact Customer Support Center

1. Select [Settings] in the upper right corner of the game

2. Select [Game Info] tab

3. Select [Contact]

However, if you wish to send an inquiry with a screenshot, kindly contact the Customer Center via Webpage.

Please note that you can attach screenshots there.