Privacy Policy

This policy defines the proper handling of personal information in our writing support platform 'Tuzuri'.

Established: October 1, 2025

1Company Name, Address, and Representative

Studio Eurygraph Co., Ltd. (hereinafter referred to as 'the Company')

905-0011

1004 Miyasato, Nago City, Okinawa Prefecture

Representative: Yutaka Moriishi

The Company establishes this Privacy Policy for the proper handling of personal information, including personal information based on the 'Personal Information Protection Act' (Act No. 57 of 2003, hereinafter referred to as the 'Personal Information Protection Act'), regarding information about customers in our writing support platform 'Tuzuri' (hereinafter referred to as the 'Service').

2Compliance with Related Laws and Guidelines

The Company complies with the Personal Information Protection Act, other laws and regulations, and guidelines established by the Personal Information Protection Committee and other guidelines to ensure proper handling of personal information.

3Acquisition and Use of Personal Information

When acquiring personal information, the Company will announce or notify the purpose of use, and when acquiring personal information recorded in contracts or other documents (including electromagnetic records) directly from the individual, the Company will clearly indicate the purpose of use in advance and acquire it through lawful and fair means.

The information about customers, including personal information acquired by the Company, is as follows:

(1) Information provided by customers

• Name, telephone number, email address, address, and other contact information

(2) Information collected by the Company when using the Service

• Device information

• Log information, website browsing history, and behavioral history

• Access status information such as cookies and other identifiers

4Purpose of Use of Personal Information

The Company uses personal information for the following purposes. Personal information may be used within the scope of these purposes even after the termination of the Company's services.

1. Customer identity verification and personal authentication

2. Business-related communications and contract performance necessary for the Company's operations

3. Response to, confirmation of, and recording of customer inquiries, consultations, complaints, repairs, and support

4. Service development and other service improvements and enhancements

5. Improvement and enhancement of customer experience in digital services (websites, mobile applications, etc.) provided by the Company

6. Advertising and information provision for products, services, campaigns, etc. through announcements, emails, etc.

7. Advertising and information provision for products, services, campaigns, etc. within the Service

8. To safely provide the Company's products and services to customers, including discovering users who violate the terms of use and notifying such users, and investigating, detecting, preventing, and responding to fraudulent activities such as service abuse, fraud, and unauthorized access

5Provision of Personal Information to Third Parties

The Company will not provide customers' personal information to third parties (excluding subcontractors) except when customers have given prior consent or when permitted by the Personal Information Protection Act or other laws.

Notwithstanding the provisions of the preceding paragraph, in the following cases, the recipient of such information shall not be considered a third party:

① When the Company entrusts all or part of the handling of personal information within the scope necessary to achieve the purpose of use

② When personal information is provided in connection with business succession due to merger or other reasons

③ When personal information is jointly used with specific parties, and the customer has been notified in advance or placed in an easily accessible state regarding the joint use, the items of personal information to be jointly used, the scope of joint users, the purpose of use by the users, and the name of the person responsible for managing the personal information

6Security Management Measures

The Company implements necessary and appropriate security management measures to prevent leakage, loss, or damage of personal information. The Company also provides necessary and appropriate supervision to employees and subcontractors who handle personal information.

The main contents of security management measures for personal information are as follows:

(Organizational Security Management Measures)

Regular self-inspections are conducted regarding the handling status of personal information.

(Human Security Management Measures)

Regular training is provided to employees regarding precautions for handling personal information.

(Physical Security Management Measures)

Measures are taken to prevent theft or loss of equipment, electronic media, and documents that handle personal information.

(Technical Security Management Measures)

Access control is implemented to limit the scope of personnel and personal information databases handled. Systems are introduced to protect information systems that handle personal information from external unauthorized access or malicious software.

7Requests for Disclosure of Personal Information

When there are requests for inquiry, correction, suspension of use, deletion, etc. of personal information, the Company will promptly respond after confirming the identity of the individual through prescribed procedures. If you have questions about this Privacy Policy or wish to exercise your rights, please contact the inquiry desk below.

8Document Retention Period

Created documents are retained until you delete them.

However, documents that remain empty and have not been edited within 48 hours of creation will be automatically deleted.

9Changes to the Privacy Policy

The contents of this policy may be changed without notice to users, except for matters otherwise specified in laws or this policy.

Except where otherwise determined by the Company, the revised Privacy Policy shall take effect from the time it is posted on this website.

10Inquiry Desk

For questions or complaints regarding the handling of personal information by the Company, please contact the desk below.

Studio Eurygraph Co., Ltd. Personal Information Protection Management Officer

Contact Us

For questions or inquiries about the handling of personal information, please contact us through the following form.

Contact Form