You can check it online via WEB de Billing.
Please see the detailed steps below.
Application is required for each number you would like to apply the service for.
Enter the 4-digit PIN you set when you signed the contract and tap on "Next" [次へ] .
The Calls Details Statement will be displayed.
Tap the [V] on the right of the call charge and you can check the details.
After viewing the Calls Details Statement, you can download a PDF file by selecting "Download and print Calls Details Statement PDF for ● year ● month" [●年●月分の通話明細書の印刷用PDFをダウンロード] found at the bottom of the page.
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