OPE.AI Open Platform User Agreement

Article 1 (Scope of Application)

1. This User Agreement applies to the use of all services provided by IRUCA K.K. (hereinafter referred to as "the Company") (hereinafter referred to as "the Service") and covers all legal relationships between the Company and users.
2. The Service consists of multiple specific services (hereinafter referred to as "Individual Services"). When using some Individual Services, in addition to this User Agreement, there may be separate terms of use for each specific service (hereinafter referred to as "Individual Agreements"). In such cases, the Individual Agreements form part of this User Agreement and apply between the Company and users.
3. If there are Individual Agreements, the Individual Agreements take precedence over this User Agreement; matters not stipulated in Individual Agreements shall be governed by this User Agreement.

Article 2 (Definition of Terms)

In this User Agreement, the following terms have the meanings listed in each item:

1. "Prohibited Acts": Acts listed in Article 12, Paragraph 1.
2. "Personal Information": Information about living individuals that meets the definition of the Personal Information Protection Act, including user names, email addresses, organization names, addresses, telephone numbers, and social network accounts.
3. "Personal Information Protection Act": The Japanese Personal Information Protection Act (Act No. 57 of 2003) and subsequent amendments.
4. "Company Subsidiaries": Companies, corporations, or other entities directly or indirectly controlled by the Company. "Control" here means ownership of more than half of the voting rights responsible for appointing executives of that entity.
5. "Registration Information": Information that the Company requires users to register as a prerequisite for using the Service.
6. "Antisocial Forces": Organized crime groups, members of organized crime groups, related companies, social movement advocates, political movement advocates, special intelligence violence groups, and other antisocial forces.
7. "Privacy Policy": The privacy policy established by the Company and its updated content.
8. "The Service": All API open platform services provided by the Company.
9. "The Website": The website operated by the Company. The Service is provided to users and service users through the Website or the Software defined below.
10. "The Software": Application software developed and published by the Company to provide the Service, including updated versions, corrected versions, substitutes, and copies.
11. "This User Agreement": The User Agreement (including Individual Agreements if any) and its updated content.
12. "This Usage Contract": The contract concluded between the Company and users for using the Service.
13. "Usage Fee": The consideration for the Service that users should pay to the Company according to Article 7, including account balance recharge denominated in US Dollars (USD).
14. "User": A corporation, organization, association, or individual who agrees to this User Agreement and concludes a Service usage contract with the Company.
15. "User Information": All types of information, communication records, and all other user and service user information stored on servers managed by the Company for the purpose of the Service, including Registration Information and information provided by the Company through the Service or obtained by users.
16. "User Authentication Information": Registered email address, user ID, and password.
17. "Paid Services": Portions of specific services that require payment for use.
18. "Paid Users": Users who choose to use Paid Services.
19. "Service User": A person designated by a user and allowed to access and use the Service.

Article 3 (Application of This User Agreement)

1. This User Agreement applies to all users. Users may use the Service only if they agree to this User Agreement and the Privacy Policy; if they do not agree to this User Agreement and the Privacy Policy, they cannot use the Service. This User Agreement and the Privacy Policy form part of the Usage Contract and apply between users and the Company.
2. If a corporation, organization, or association concludes the Usage Contract as a user, it has the obligation to ensure that Service Users comply with the content of this User Agreement. Violations by Service Users are deemed violations by the user, and the user shall bear joint and several liability with Service Users.
3. If the Company establishes other regulations related to the Service and posts them on the Website or notifies users via email, such other regulations also form part of this User Agreement. If the provisions of this User Agreement conflict with such other regulations, this User Agreement takes precedence.

Article 4 (Changes to This Terms of Use)

1. The Company may change this User Agreement when it deems necessary.
2. When the Company changes the content of this User Agreement, it shall notify users or announce the fact of the change, its effective date, and the content of the change in accordance with the provisions of this User Agreement.
3. After this User Agreement is changed, if a user uses the Service, the user is deemed to have agreed to the change of this User Agreement. Additionally, users who do not agree to the change of this User Agreement should stop using the Service. Except in cases caused by the Company's intentional or negligent conduct, the Company shall not be liable for damages caused to users by changes to this User Agreement.

Article 5 (Notification and Announcement)

1. When the Company notifies or announces to users regarding matters related to the Service, it shall do so by posting on the Website or other websites designated by the Company, or by sending emails or documents to the email address or address recorded in the Registration Information, or by other methods the Company deems appropriate. If such contact is made by sending emails or posting on websites, it shall be deemed to have reached users from the time it is published on the Internet.
2. Inquiries regarding the Service and other contacts or notifications from users to the Company should be made by sending emails through the mail form on the Website or by sending messages through the chat support page. Contacts made through means other than the above will not be accepted by the Company.

Article 6 (Establishment of This User Agreement)

1. This User Agreement is formally established when a person wishing to use the Service registers relevant information and submits an application through the method designated by the Company, and the Company accepts it. When a person wishing to use the Service submits an application through the method designated by the Company, the applicant is deemed to have agreed to all content of this User Agreement.
2. Users may use the Service from the date the Company accepts the application in the preceding paragraph (hereinafter referred to as the "Agreement Establishment Date").
3. When users under the age of 20 use the Service, they should obtain the consent of their guardian (person with parental authority) in advance. When a minor submits an application under Paragraph 1, it is deemed that consent has been obtained from their legal representative regarding the use of the Service and the content of this User Agreement.

Article 7 (Usage Fees and Payment Methods)

1. Paid Users shall pay usage fees to the Company as consideration for using the Service, with specific amounts separately stipulated by the Company for each specific service.
2. Paid Users shall pay usage fees by the deadline designated by the Company through payment methods designated by the Company (such as credit card, account balance payment, invoice payment, etc.). The Company will not refund usage fees already received under any circumstances.
3. Communication costs required to use the Service (including communication costs incurred by downloading and using the Software) and communication equipment are the user's own responsibility and expense. However, the Company does not guarantee that the Website and Software will operate normally on all communication equipment used by users.

Article 8 (Registration Information, etc.)

1. When using the Service, users must register their email address, user ID, password, name or designation, address or location, telephone number, and other matters required by the Company.
2. Users shall strictly manage User Authentication Information at their own responsibility and must not disclose, leak, or provide it to third parties for use. Users shall be responsible for all acts performed using such authentication information. If a user discovers that their password may be known to a third party, they should immediately change their password.
3. When the Service is used based on a user's authentication information, the Company will deem that the user who registered that authentication information is using the Service and provide the corresponding service.

Article 9 (Changes to Registration Items)

When changes occur to a user's Registration Information, the user shall immediately report the content of the changes through the online method designated by the Company. The Company assumes no responsibility for losses caused to users due to failure to promptly report changes to Registration Information.

Article 10 (Third-Party Services)

1. Integration in the Service with services operated by third parties other than the Company through websites or applications (hereinafter referred to as "Third-Party Services") does not mean that there is any partnership, coordination, authorization, or other collaborative relationship between the Company and the operators of Third-Party Services. Users should confirm the accuracy, completeness, etc., of data obtained through Third-Party Service integration on their own at the integrated party's website.
2. Users shall be responsible for using Third-Party Services at their own risk and shall resolve disputes arising from Third-Party Service integration with the website/service operators or third parties and all credit-debt relationships at their own responsibility and expense. Users shall ensure that they do not cause any trouble to the Company and compensate the Company for damages suffered thereby (including attorney fees).
3. Users are aware in advance that data obtained through Third-Party Service integration may not be accurately displayed on the Website due to abnormalities in communication equipment.
4. Use of Third-Party Services shall comply with agreements separately concluded between users and Third-Party Service operators.

Article 11 (Backup)

1. Users shall record, save, and manage all User Information at their own responsibility.
2. Users shall perform backup work on User Information at their own responsibility (including but not limited to cases where the Company provides Service functions). The Company assumes no responsibility for user damage and disadvantages caused by the non-existence of backup data or failure of users to properly implement backup work.
3. The Company may record backups of User Information. However, such recording does not supplement the backup work within the scope of user responsibility stipulated in the preceding paragraph, and the Company does not guarantee recovery of User Information.
4. Non-paid users are aware in advance that some of their User Information may be automatically deleted after a certain period.

Article 12 (Prohibited Acts)

1. When using the Service, users must not engage in or cause third parties to engage in the following acts: (1) Acts that violate laws, court judgments, rulings, or orders, or legally binding administrative measures; (2) Acts that endanger public order or good morals; (3) Acts that infringe on the copyrights, trademark rights, patent rights, and other intellectual property rights, reputation rights, privacy rights, and other rights stipulated by law or contract of the Company or third parties; (4) Excessive sending of illegal content text, images, etc., or other acts that interfere with the operation of the Company's systems; (5) Reverse engineering, decompiling, disassembling, or otherwise attempting to extract source code; (6) Improperly using another person's authentication information or credit card for payment; (7) Other acts that the Company judges to be inappropriate based on reasonable grounds.
2. If a user engages in acts listed in the items of the preceding paragraph, regardless of whether the user was intentional or negligent, the Company may immediately suspend the user's use of the Service, terminate the Usage Contract, and demand compensation for damages thereby incurred.

Article 13 (Service Suspension)

1. In the following cases, the Company may temporarily suspend all or part of the Service without prior notice to users: (1) When conducting regular or emergency maintenance of systems or equipment related to the Service; (2) When it becomes difficult to provide the Service due to force majeure such as fire, power outage, or natural disaster; (3) When service cannot be provided due to system failures or accidents in communication lines.
2. If a user has any of the following circumstances, the Company may suspend providing the Service without prior notice to the user until the circumstance is eliminated and the Company confirms its elimination: (1) When usage fees are not paid by the prescribed deadline; (2) When there is suspicion of violating this User Agreement.
3. The Company assumes no responsibility for any damage, loss, or lost profits caused to users by their inability to use the Service due to suspension of the Service stipulated in the preceding two paragraphs.

Article 14 (Service Changes)

1. The Company may add or change part of the Service content at its own discretion. The Company does not guarantee that all functions or performance of the Service before the change will be maintained after service addition or change stipulated in this Article.
2. The Company assumes no responsibility for any damage and disadvantages caused to users by adding or changing the Service in accordance with the preceding paragraph.

Article 15 (License to Use Trademarks)

1. For the purpose of publishing Service introduction cases (including on the Company's official website), users grant the Company a free and non-exclusive right to use service names, service logos, logos, and other trademarks owned by users, allowing the Company to use them.
2. Notwithstanding the provisions of the preceding paragraph, if a user requests to stop using the trademarks in the preceding paragraph, the Company shall promptly provide an opportunity to consult with the user, and both parties shall negotiate in good faith to resolve the request.
3. Trademark rights and all other intellectual property rights to the trademarks in Paragraph 1 belong to each user.
4. Users warrant to the Company that the Company's use of trademarks in Paragraph 1 will not infringe on the rights of third parties.
5. If a user or the Company receives notice or warning from a third party that use of trademarks in Paragraph 1 infringes on their rights, they shall immediately notify the other party and cooperate with each other to resolve disputes with that third party.

Article 16 (Suspension and Termination of the Service)

1. In cases of force majeure or other unavoidable matters, the Company may suspend or terminate providing the Service. When suspending or terminating the Service, the Company will post in advance on the Website or other websites designated by the Company, or notify users via email. However, this does not apply in emergency situations or other cases of force majeure.
2. The Company assumes no responsibility for damages caused to users by suspension or termination of the Service in accordance with the preceding paragraph.

Article 17 (User Cancellation)

1. Users shall submit a cancellation application through the online cancellation page designated by the Company to handle cancellation procedures. Upon completion of the cancellation procedures, the Usage Contract shall be terminated. To terminate use of a particular Individual Service, users shall follow the procedures separately stipulated for that service.
2. The date when the user's cancellation application reaches the Company shall be the cancellation date, after which the user will not be able to use the Service. After cancellation is completed, the Company will display it on the online cancellation completion screen and send a notification to the email address registered by the user. In this case, users shall be responsible for confirming the Company's cancellation notification.
3. Even if the contract is cancelled midway through the contract period, regardless of remaining days, the Company will not refund usage fees already paid (including account balance).
4. When a user terminates the Usage Contract in accordance with Paragraph 1, the Company may delete that user's User Information.

Article 18 (Company Termination)

1. If any of the following circumstances occur to a user, regardless of whether the user was intentional or negligent, the Company may immediately terminate the Usage Contract and process the user's withdrawal without prior notice to the user, while suspending the user's use of the Service: (1) When violating any provision of this User Agreement; (2) When judged by the Company to belong to antisocial forces or have some form of connection with them; (3) Other circumstances where the Company judges continued use of the Service inappropriate.
2. If the Usage Contract is terminated in accordance with the preceding paragraph, regardless of remaining contract days, the Company will not refund usage fees already paid. Additionally, the Company assumes no responsibility for any damage and disadvantages caused to users and third parties.
3. When the Company terminates the Usage Contract in accordance with Paragraph 1, it may delete that user's User Information.

Article 19 (Software License)

The Company grants Service Users who download the Software when using the Service a non-exclusive license to use the Software on the condition that they comply with this User Agreement. Users shall urge Service Users to comply with matters stipulated in this User Agreement when using the Software.

Article 20 (Prohibited Matters Related to Software)

When using the Software, in addition to matters stipulated in Article 12, users must not engage in the following acts:

1. Copying, translating, adapting, or otherwise modifying the Software;
2. Selling, distributing, sub-licensing, publicly transmitting (including making available for transmission), lending, transferring, leasing, or otherwise disposing of the Software;
3. Using the Software in a manner that circumvents technical protection measures such as copy protection set in the Software;
4. Reverse engineering, decompiling, or disassembling part or all of the Software, or extracting source code by other methods;
5. Making the Software public so that third parties can copy it;
6. In addition to the above items, engaging in acts that the Company judges inappropriate based on the intended use of the Software.

Article 21 (Usage Restrictions)

1. In cases stipulated in the following items, users' use of part or all of the Software may be restricted.
2. The Company has no obligation to provide support or corrections (including updated versions) related to the Software. Additionally, the Company may correct, change, update, or stop providing the Software without prior notice to users.

Article 22 (Agreed Matters Regarding Service Provision Methods)

1. The Company provides the Service "as is." The Company makes no guarantee regarding the accuracy, completeness, precision, continuity, fitness for a particular purpose, and usefulness of the Service. Additionally, the Company does not guarantee that the content, accuracy, quality, and level of the Service will meet user requirements, or the results produced by using the Service.
2. Users shall be responsible for ensuring that use of the Service complies with applicable laws, guidelines, industry group rules, and users' internal rules, and the Company makes no guarantee regarding such compliance.
3. The Company provides the Service in an SSL communication encryption environment, and users have expressed understanding of this security level.

Article 23 (Intellectual Property Rights)

1. Copyrights, moral rights of authors, patent rights, utility model rights, design rights, trademark rights, image rights, and all other intellectual property rights, trade secrets, proprietary technology, and all other information related to the Service belong to the Company and third parties who are legitimate rights holders. Users do not have these rights. The establishment of this User Agreement does not mean granting users intellectual property licenses beyond the scope necessary for using the Service.
2. Regarding original data sent by users to the Company when using the Service, text data generated after the Company processes that data, and related translations (hereinafter referred to as "This Data"), to the extent that they fall within the scope of copyrights defined by the Copyright Act, users own the copyrights.
3. The Company may copy, edit, analyze, convert, and perform other necessary processing on users' "This Data" only to the extent necessary to provide the Service to users.
4. The Company may use users' "This Data" within the scope of development, improvement, and updating of the Service and related services, sending marketing information to users, and improving customer service.
5. Improvements, updated content, and proprietary technology obtained by the Company through operation of the Service, as well as copyrights, moral rights of authors, patent rights, and all other intellectual property rights, trade secrets, proprietary technology, and all information related to programs developed by the Company itself or commissioned to third parties, belong to the Company and third parties who are legitimate rights holders.

Article 24 (Disclaimer)

1. User IDs and passwords are strictly managed by users themselves. Except in cases caused by the Company's intentional or gross negligence, the Company assumes no responsibility for losses caused to users by third-party use of user IDs and passwords.
2. In cases of improper acts by third parties impersonating users' credit cards, users, credit card companies, collection agencies, and other financial institutions should negotiate with such third parties. Except in cases caused by the Company's intentional or gross negligence, the Company assumes no responsibility regardless of whether users are negligent.
3. If the Company abolishes the Service, the Company assumes no responsibility for any damage, loss, or lost profits caused to users by their inability to use the Service.
4. The Company does not guarantee that content related to the Service does not contain harmful substances such as computer viruses. Except in cases caused by the Company's intentional or gross negligence, the Company shall not be liable for damages caused to users and third parties by harmful substances contained in content.
5. The Company assumes no responsibility for damages caused to users or third parties due to reasons related to equipment, communication lines, software, etc., used by users.
6. The Company assumes no responsibility for inability to access the Service, failures, errors, or vulnerabilities in users' computers, or failures in computers, systems, or communication lines related to the Service.

Article 25 (Damages)

1. Users and the Company may request compensation when they suffer damage due to the other party's intentional or negligent conduct. However, if this User Agreement provides otherwise, such provisions shall take precedence.
2. If the Company bears liability for damages, the scope of compensation shall be limited to direct and ordinary damages actually incurred by users, and the compensation limit shall be the cumulative usage fees paid by users to the Company in the most recent 3 months up to the time damage occurred. Under no circumstances shall the Company be liable for indirect damages, consequential damages, special damages, lost profits, or opportunity losses. However, this does not apply to damages caused by the Company's intentional or gross negligence.
3. When users cause damage to third parties while using the Service, resulting in the Company receiving claims for compensation or other demands from such third parties, users shall handle such disputes at their own responsibility and expense and compensate the Company for losses suffered.

Article 26 (Consignment)

The Company may consign part or all of business related to the Service to third parties (such third parties are hereinafter referred to as "Subcontractors").

Article 27 (Confidentiality)

Regarding information disclosed by the Company to users during provision of the Service and designated as confidential, users shall not use it for purposes other than the disclosure purpose or disclose it to third parties without the Company's prior written consent.

Article 28 (Information Management)

1. Regarding User Information, the Company will not disclose it to third parties without prior consent from users. However, the following cases are exceptions: (1) When disclosure is required by laws and regulations; (2) When it is necessary to protect human life, body, or property safety and it is difficult to obtain user consent; (3) When it is necessary to cooperate with national agencies, local public organizations, or their consignees in executing matters stipulated by law; (4) When disclosing to the Company's Subcontractors or partners within the scope the Company deems necessary to provide services.
2. Notwithstanding the provisions of the preceding paragraph, the Company may perform attribute statistics and analysis on User Information, create processed data in cases where specific users cannot be identified or specified (hereinafter referred to as "Statistical Materials"), and use them for the Service or other services of the Company. Additionally, the Company may disclose such Statistical Materials to third parties.
3. The Company shall take reasonable and maximum security measures against risks such as loss, destruction, tampering, and leakage of User Information.
4. For the purpose of improving telephone response quality, the Company may record calls with users and use conversation content in business processes.

Article 29 (Handling of Personal Information)

1. The Company shall appropriately handle User Information and Personal Information in accordance with the Privacy Policy, the Japanese Personal Information Protection Act, and other relevant laws and regulations.
2. After the termination of the Usage Contract, the Company may still use personal information of users and Service Users within the scope of usage purposes stipulated in the Privacy Policy.

Article 30 (Prohibition of Transfer)

1. The Company may transfer claims against users to third parties, and users acknowledge this and agree that the Company may provide users' personal information and other related information to such third parties for this purpose.
2. Without the Company's prior written consent, users may not transfer, move, set security interests on, or otherwise dispose of their position under this contract or rights and obligations arising from the Service to third parties (including comprehensive succession through merger, company split, etc.).

Article 31 (Severability)

If any provision of this User Agreement is judged illegal, invalid, or unenforceable for legal reasons, other provisions of this User Agreement shall still have full legal effect.

Article 32 (Governing Law)

This Usage Contract shall be governed by and construed in accordance with Japanese law.

Article 33 (Exclusive Agreed Jurisdiction)

All disputes arising from or related to the Service and this Usage Contract shall have the Tokyo District Court as the court of exclusive agreed jurisdiction for the first instance.

Article 34 (Settlement Through Agreement)

For matters related to the Service, if disputes arise between users and the Company, both parties shall negotiate in the spirit of good faith and strive to find solutions.

Supplementary Provisions

• Established and effective on January 29, 2026