Specified Commercial Transactions Law
duhhh Inc.
R3Aoyama 3F, 1-3-1 Kita-Aoyama, Minato-ku, Tokyo, Japan
Phone number: Please send your inquiry to the following e-mail address and we will respond without delay.
Email address: support@duhhh.co
Daisuke Yukita
Usage Fee
(Basic service fee) JPY 98,000 and consumption tax equivalent amount / USD 999 for customers outside of Japan
Other necessary expenses
Internet connection fees and other telecommunication line communication costs must be borne by the user. The amount of such fees is determined by the service provider or other business operator with which the user has a contract.
Payment of usage fee
Please complete payment by the deadline separately displayed on the service.
Payment methods are limited to credit cards that support Stripe payment. For more information, please see Stripe’s page.
Service start date
Program start date as separately displayed on the service website
Application period
Applications can only be made during the membership recruitment period that is displayed separately on the service.
Technical requirements
This service requires the following browsers to work properly:
・Chrome 60 or newer
・Safari 11 or newer
・Firefox 60 or newer

Other browsers may work (particularly Chromium based browsers), but we recommend using one of the above for maximum compatibility.
Cancellation policy
You can receive a refund (minus any transaction fees) by withdrawing from the service until 13:00 of the day before the start date of use.
・After the program start date, you will not be able to receive a refund of usage fees even if you cancel your membership.
・For details, please refer to the Terms of Use.