(Edit:JST 2019/08/05 17:03)
rebooting the server completed on 2019/08/05.
Thank you for your cooperation.
We will be rebooting the servers to improve its controls on the following date.
There may be possibilities of disconnecting inorder to reboot the server.
*It will only be rebooting the server.
We deeply apologize for the incovenience caused. Thank you for your understanding.