[UPDATE: March 2023] To our customers who use Gmail.

We have had some reports that our emails such as the order confirmation are not reached at any Google mail for some reason.
If our emails are not found in your inbox, please kindly check the spam folder just in case.
(To make it worse, our emails are no longer reached at your inbox, but they are automatically blocked.)

We have been investigating the cause of the problem, but the problem could not have been fixed yet, for which we are sorry.
To prevent this from happenning to you, please be advised to change the registered email address to another one.
From the following process, you can change the registration information on your own.

* After log-in, go to My Page > My Account > Change Registration Information

Your understanding and cooperation is highly appreciated.