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Terms of Use

Last updated: March 24, 2026

These Terms of Use (“Terms”) set out the conditions for using BlueReader (“Service”). All users of the Service (“Users”) must agree to these Terms before using the Service.

Article 1 (Application)

  1. These Terms apply to all relationships between Users and the operator in connection with use of the Service.
  2. The operator may establish additional rules, guidelines, or individual provisions regarding the Service (“Individual Provisions”).
  3. Regardless of their title, Individual Provisions form part of these Terms.
  4. If these Terms conflict with any Individual Provision, the Individual Provision prevails unless otherwise specified.

Article 2 (Registration)

  1. A person who wishes to use the Service must agree to these Terms and apply for registration in the manner specified by the operator.
  2. The service agreement becomes effective when the operator approves the application described in the preceding paragraph.
  3. The operator may refuse an application for registration if it determines that any of the following applies, and it has no obligation to disclose the reason.
    1. The applicant submitted false information when applying for registration.
    2. The application is from a person who has previously violated these Terms.
    3. The applicant is a minor, an adult ward, a person under curatorship, or a person under assistance and did not obtain the consent required from a legal representative or other necessary party.
    4. The operator determines that the applicant is an antisocial force or is involved with one.
    5. The operator otherwise determines that registration is inappropriate.

Article 3 (Account Management)

  1. Users are responsible for properly managing and storing their account information and other authentication information.
  2. Users must not transfer, lend, share, or otherwise allow third parties to use account information under any circumstances.
  3. The operator is not liable for damages arising from inadequate account management, misuse, or unauthorized use by a third party, except where the operator acted intentionally or with gross negligence.

Article 4 (Content of the Service)

  1. The Service provides an online book reader and related features that allow Users to view, store, and manage ebooks, documents, notes, and other information.
  2. The specific content, specifications, functions, and design of the Service are determined at the operator’s discretion.
  3. The operator may add, modify, or remove the content of the Service as necessary.

Article 5 (Paid Features)

  1. The Service may include features or plans provided for a fee (“Paid Features”).
  2. Details of Paid Features, including fees, billing units, terms of use, and other matters, will be displayed within the Service or by another method determined by the operator.
  3. Fees for Paid Features must be paid according to the plan selected by the User at the time of application, through Paddle or another method separately designated by the operator.
  4. If a Paid Feature is billed monthly, the agreement renews automatically each month and the monthly fee is charged at renewal unless the User completes the cancellation procedure by the prescribed method.
  5. Users agree to recurring charges resulting from automatic renewal.
  6. Even if a User cancels a Paid Feature, fees already paid are non-refundable except where required by law. Refunds on a prorated basis are not provided.
  7. Billing or renewal may fail if payment cannot be processed, a card has expired, use is suspended, there are insufficient funds, fraud is suspected, or for other reasons determined by the payment provider or card company.
  8. If the operator changes pricing or billing conditions, it will notify Users in advance by posting within the Service or by another method it considers appropriate.

Article 6 (Stored Data)

  1. Users may be able to store books, notes, bookmarks, settings, and other data in the Service (“Stored Data”).
  2. Users are responsible for storing, managing, and backing up Stored Data at their own responsibility.
  3. The operator is not liable for loss, damage, inability to access, accidental deletion, or inability to restore Stored Data, except where the operator acted intentionally or with gross negligence.
  4. The operator may handle Stored Data to the extent necessary for maintenance, operation, improvement, issue response, legal compliance, or other necessary purposes of the Service.
  5. If a User violates these Terms or if necessary for operation of the Service, the operator may delete, move, or restrict access to all or part of the Stored Data.

Article 7 (Integration with External Services)

  1. The Service may include integrations with Google OAuth and other external services.
  2. When using an external service integration, Users must comply with the terms of use, privacy policy, and other conditions of the relevant external service.
  3. Users are responsible for managing their Google Account and any other external service accounts.
  4. Changes in specifications, suspension, outages, account restrictions, authentication refusal, or other circumstances on the external service side may make all or part of the Service unavailable.
  5. The operator is not liable for damages incurred by Users due to integration with external services, except where the operator acted intentionally or with gross negligence.

Article 8 (Prohibited Acts)

When using the Service, Users must not engage in any of the following acts.

  1. Acts that violate laws or public order and morals
  2. Acts related to criminal conduct
  3. Acts that interfere with or may interfere with operation of the Service
  4. Unauthorized access or attempts to obtain unauthorized access
  5. Acts that impose an excessive load on the networks or systems of the Service
  6. Acts that exploit bugs, vulnerabilities, or other defects of the Service for improper purposes
  7. Acts that infringe the rights or interests of other Users, third parties, or the operator
  8. Impersonation of another User
  9. Providing benefits to antisocial forces
  10. Reproducing, reposting, modifying, distributing, or otherwise making secondary use of information obtained through the Service without permission from the rights holder
  11. Any act that the operator determines to be inappropriate in light of the purpose of the Service
  12. Any other act that the operator determines to be inappropriate

Article 9 (Intellectual Property Rights)

  1. All copyrights, trademark rights, and other intellectual property rights relating to the Service belong to the operator or to third parties with legitimate rights.
  2. Rights relating to Stored Data and other information saved, posted, or sent by a User remain with that User or the legitimate rights holder.
  3. Users grant the operator a royalty-free right to use Stored Data to the extent necessary to provide, maintain, improve, support, and troubleshoot the Service.

Article 10 (Suspension or Interruption of the Service)

  1. If the operator determines that any of the following applies, it may suspend or interrupt all or part of the Service without prior notice to Users.
    1. Maintenance, inspection, or updates of systems related to the Service are required.
    2. Earthquakes, lightning, fire, power outages, natural disasters, or other force majeure makes provision of the Service difficult.
    3. Computers or communication lines stop due to an accident.
    4. An external service integration failure occurs.
    5. The operator otherwise determines that providing the Service is difficult.
  2. The operator is not liable for disadvantages or damages suffered by Users or third parties due to suspension or interruption of the Service, except where the operator acted intentionally or with gross negligence.

Article 11 (Restrictions on Use and Deregistration)

  1. If a User falls under any of the following, the operator may restrict use of all or part of the Service or cancel the registration of that User without prior notice.
    1. The User violates any provision of these Terms.
    2. It is discovered that there is false information in registration details.
    3. The User delays or fails to perform a payment obligation such as fees.
    4. The User fails to respond to communications from the operator for a certain period.
    5. The User has not used the Service for a considerable period since the last use.
    6. The operator otherwise determines that use of the Service is inappropriate.
  2. The operator is not liable for damages suffered by a User due to measures taken under this Article, except where the operator acted intentionally or with gross negligence.

Article 12 (Account Deletion)

  1. Users may delete their account from the Service in the manner specified by the operator.
  2. If a User deletes an account, Stored Data may be deleted unless otherwise specified by the operator.
  3. The operator has no obligation to store, restore, or re-provide Stored Data after account deletion.

Article 13 (Change, Addition, or Termination of the Service)

  1. The operator may change, add to, or terminate all or part of the Service for operational or technical reasons or for other reasonable reasons.
  2. If the operator terminates the Service, it will endeavor to give notice a reasonable time in advance by posting within the Service or by another method it considers appropriate. This does not apply in urgent unavoidable circumstances.
  3. The operator is not liable for damages suffered by Users due to changes, additions, or termination of the Service, except where the operator acted intentionally or with gross negligence.

Article 14 (Disclaimer of Warranties and Limitation of Liability)

  1. The operator does not warrant that the Service is free from factual or legal defects, including defects related to safety, reliability, accuracy, completeness, validity, fitness for a particular purpose, security, errors, bugs, or infringement.
  2. The operator is not liable for damages suffered by Users arising from the Service, except where the operator acted intentionally or with gross negligence.
  3. If the disclaimer in the preceding paragraph is not permitted due to the Consumer Contract Act or other mandatory laws and the operator is negligent but not grossly negligent, the operator is liable only for ordinary direct damages actually incurred by the User.
  4. The operator is not liable for transactions, communications, or disputes between a User and another User or third party, except where the operator acted intentionally or with gross negligence.

Article 15 (Changes to the Terms)

  1. The operator may change these Terms when it determines such changes are necessary.
  2. If the operator changes these Terms, it will notify Users of the revised content and effective date by posting within the Service or by another method it considers appropriate.
  3. The revised Terms become effective on the effective date described in the preceding paragraph.
  4. If a User uses the Service after the effective date of the revised Terms, that User is deemed to have agreed to the revised Terms.

Article 16 (Notices or Communications)

Notices or communications between Users and the operator are made by the method specified by the operator. Unless a User submits a notice of change by a separately designated method, the operator may deem the currently registered contact information to be valid, and notices or communications sent to that contact information are deemed to have reached the User when sent.

Article 17 (Exclusion of Antisocial Forces)

  1. Users represent and warrant that they are not antisocial forces and do not have any socially condemnable relationship with such forces.
  2. If a User violates the preceding paragraph, the operator may immediately suspend use of the Service or terminate the service agreement without any notice.

Article 18 (Prohibition on Transfer of Rights and Obligations)

Users may not transfer, succeed to, or create security interests over their contractual status under the service agreement or any rights or obligations under these Terms without prior written consent from the operator.

Article 19 (Severability)

If any provision of these Terms or any part of a provision is held invalid or unenforceable under laws or regulations, the remaining provisions and the remaining parts continue in full force and effect.

Article 20 (Governing Law and Jurisdiction)

  1. These Terms are governed by the laws of Japan.
  2. In the event of a dispute relating to the Service, the court with jurisdiction over the operator’s address has exclusive agreed jurisdiction as the court of first instance.

Article 21 (Use by Minors)

  1. If a minor uses the Service, the minor must do so with the consent of a legal representative.
  2. If a minor uses the Service by falsely claiming to have the consent of a legal representative or by falsely claiming to be an adult, legal acts related to such use may not be rescinded.

Article 22 (Service Availability and Geographic Restrictions)

  1. BlueReader is intended for use by individuals residing outside of the European Economic Area (EEA) and the United Kingdom.
  2. We do not target or provide services to residents of the European Union (EU), the EEA, or the United Kingdom.
  3. Access to and use of the Service from these regions is strictly prohibited.

Article 23 (Contact)

For inquiries regarding these Terms, please contact: