Please register the account information of your shipping company.
Registrable shipping companies are FedEx, UPS, DHL, Japan Post, Sagawa Express, and Pegasus Global Express.
(Japan Mail and Sagawa Express will take approximately a week to be registered)
If you wish to skip the initial registration/tutorial, you can do so by scrolling to the bottom of the screen and clicking "Skip the Tutorial" in the lower right-hand corner of the screen. (Registration after skipping is also possible)