For overseas shipping, EMS or forwarding service can be used.

If you live outside of Japan, you can use EMS (Only supported countries).

When entering the address and name, be sure to enter them in English [A-Z, 0-9].

Please see the Japan Post website for countries that support EMS.

Please be sure to check before ordering.

(If it is not supported, please use the forwarding service described later.)

한국은 EMS를 지원하지만 한글 입력은 지원하지 않습니다.

반드시 영어로 주소와 이름을 기입해 주십시오.

If it does not support EMS, you can use the forwarding service.

We recommend using "tenso com".

Please see here for how to use it.
https://www.tenso.com/en/static/guide_flow_index

*Purchaser must obtain a Japanese address by forwarding service
*Please use the acquired address to place an order.

It doesn't seem to support credit cards other than Japan.

Please use Amazon Pay or PayPal.