Hi, have you check your network connection and vpn? Did you set your vpn in Korea? It is recommended to close the VPN node and reconnect after closing the game.
11/23/2020
[DaRKTriAD] Z E N O N •
Author
My server in ASIA, and i play not use vpn..
11/23/2020
TecH DeeP
You can use vpn that is 1111 apps search google play