Terms of Service

Last updated: April 2, 2026

These Terms of Service (“Terms”) govern your use of the services (“Service”) provided by R3O Works (“we,” “us,” or “our”). By using the Service, you agree to be bound by these Terms.

1. Service Description

We provide software services including the web application “Shutter” and other products. The specific features and specifications of each service are as described on the respective service pages. We may modify, add to, or discontinue the Service without prior notice.

2. Accounts

2.1 Registration

An account is required to use the Service. You must provide accurate and current information when registering.

2.2 Account Security

You are responsible for maintaining the security of your account credentials. If you become aware of any unauthorized use of your account, please contact us immediately.

2.3 Account Suspension or Termination

We may suspend or terminate your account without prior notice if you violate these Terms or if we have reasonable grounds to do so.

3. Fees and Payment

3.1 Pricing

Service fees are as displayed on the respective service pages. We may change pricing with 30 days’ prior notice.

3.2 Payment

Fees are payable by credit card through Stripe.

3.3 Cancellation

You may cancel your subscription at any time. After cancellation, no further charges will occur after the current billing period ends. You may continue to use the Service until the end of the current billing period.

3.4 Refunds

Due to the nature of digital services, refunds are generally not provided after the Service has been made available.

4. Prohibited Conduct

You agree not to:

  • Violate any applicable laws or regulations
  • Engage in any activity related to criminal conduct
  • Infringe upon the intellectual property rights, privacy, reputation, or other rights of us or any third party
  • Place an unreasonable load on the Service’s servers or network
  • Interfere with the operation of the Service
  • Attempt unauthorized access to any part of the Service
  • Use another user’s account
  • Reverse engineer, decompile, or disassemble any part of the Service
  • Use automated scripts or tools to access the Service in an unauthorized manner
  • Engage in any other conduct that we deem inappropriate

5. Intellectual Property

All intellectual property rights related to the Service belong to us or their respective rightful owners. Your use of the Service does not grant you any ownership of our intellectual property.

Content you store on the Service remains your property. However, you grant us the right to use such content to the extent necessary for providing and operating the Service.

6. Disclaimers

6.1 No Warranty

The Service is provided “as is” and “as available.” We make no warranties, express or implied, regarding the completeness, accuracy, reliability, or fitness for a particular purpose of the Service.

6.2 Limitation of Liability

We shall not be liable for any damages arising from your use of or inability to use the Service, except in cases of our willful misconduct or gross negligence. In any event, our total liability shall not exceed the total amount of fees you have paid to us during the 12 months preceding the claim.

6.3 Service Interruptions

We may temporarily suspend the Service in the following cases:

  • System maintenance or inspection
  • Force majeure events such as natural disasters or power outages
  • Other circumstances where we determine suspension is necessary

7. Changes to These Terms

We may modify these Terms as needed. If we make changes, we will notify you at least 30 days before the changes take effect, through the Service or by email. Your continued use of the Service after changes take effect constitutes acceptance of the modified Terms.

8. Governing Law and Jurisdiction

These Terms are governed by the laws of Japan. Any disputes arising from these Terms shall be subject to the exclusive jurisdiction of the Tokyo District Court as the court of first instance.

9. Severability

If any provision of these Terms is found to be invalid or unenforceable, the remaining provisions shall continue in full force and effect.

10. Contact Us

For inquiries about these Terms, please contact us at:

R3O Works
Email: hello@r3o.works