Korean Jump: Privacy Policy

Mitsutomi LLC (hereinafter referred to as the “Company“) establishes this Privacy Policy (hereinafter referred to as the “Policy“) regarding the handling of user information, including personal information, in the application “Korean Jump” (hereinafter referred to as the “Service“) provided by the Company.

Article 1 (General Provisions)

  1. The Company complies with the Act on the Protection of Personal Information (hereinafter referred to as the “APPI“), other relevant laws, regulations, and guidelines, and pays the utmost attention to the protection of user information.

  2. This Policy applies to the use of the Service. This Policy does not apply to third-party websites or services linked from the Service, and the Company assumes no responsibility for such third-party services.

Article 2 (Company Information)

  • Name: Mitsutomi LLC

  • Address: Win Aoyama 942, 2-2-15 Minami-Aoyama, Minato-ku, Tokyo, Japan

  • Representative/Contact Person: [Insert Name]

Article 3 (Information Collected)

The Company may collect the following information from Users through lawful and fair means for the provision of the Service:

1. Information Provided Directly by Users

  • Email address (for account registration, password reset, and customer support).

  • Password (managed in an encrypted format for authentication).

  • Nickname, profile picture, and other information optionally set by the User.

  • Information provided at the time of inquiry (name, contact information, content of inquiry, etc.).

2. Information Collected Automatically during Service Use

  • Usage data (learning history, progress, settings, etc.).

  • Cookies and similar technologies.

  • Advertising identifiers (IDFA, AAID).

  • IP address.

  • Device information (OS, model name, language settings, etc.).

  • Access logs within the Service.

Article 4 (Purposes of Use)

The Company uses the collected information within the scope of the following purposes:

  • Provision, operation, maintenance, and improvement of the Service (including identity verification, authentication, and payment processing).

  • Management of User learning progress and optimization of the learning experience.

  • Notifications, support, and responses to inquiries.

  • Addressing acts that violate the Terms of Service or this Policy.

  • Notification of changes to terms, policies, etc.

  • Analysis of usage, development of new services, and marketing research.

  • Creation of statistical data processed into a format that cannot identify individuals.

  • Distribution of advertisements for the Company or third parties and measurement of their effectiveness.

  • Purposes incidental to the above.

Article 5 (Third-Party Provision)

The Company will not provide personal information to third parties (including those outside of Japan) without obtaining the User’s prior consent, except in the following cases:

  1. When required by laws and regulations.

  2. When necessary to protect human life, body, or property and it is difficult to obtain the User’s consent.

  3. When particularly necessary to improve public health or promote the healthy development of children and it is difficult to obtain the User’s consent.

  4. When cooperating with a state organ, local government, or an individual/entity entrusted by them in executing affairs prescribed by law, and obtaining consent may impede the execution of such affairs.

  5. Providing information to payment processing companies for the settlement of Paid Services (the Company does not directly store credit card information).

  6. Entrusting all or part of the handling of personal information within the scope necessary to achieve the purposes of use.

  7. Providing information due to business succession resulting from a merger or other reasons.

Article 6 (Security Measures)

The Company takes necessary and appropriate measures to prevent the leakage, loss, or damage of personal information and for other security management. These measures include:

  • Organizational Security: Appointing a person responsible for the handling of personal information and establishing a reporting system for any violations or signs of violations of laws or internal regulations.

  • Human Security: Providing regular training to employees regarding the handling of personal information.

  • Physical Security: Controlling access to areas where personal information is handled and implementing measures to prevent unauthorized persons from viewing personal information.

  • Technical Security: Implementing access controls to limit the scope of personnel and databases handled, and introducing mechanisms to protect information systems from unauthorized external access or malware.

Article 7 (Use of Advertising Identifiers and Analytics)

The Company may use technologies such as advertising identifiers (IDFA, AAID) and Cookies, as well as tools provided by third parties (e.g., Google Analytics), to measure advertising effectiveness and analyze usage. This information does not include data that directly identifies individuals. Users can restrict (opt-out) the use of advertising identifiers by changing their device settings.

Article 8 (Disclosure and Correction of Personal Information)

When a User requests the disclosure, correction, addition, deletion, suspension of use, or erasure (hereinafter referred to as “Disclosure, etc.“) of their personal information based on the APPI, the Company will respond without delay after confirming the User’s identity. However, this does not apply if the Company is not obligated to perform Disclosure, etc., under the APPI or other laws. Please note that a fee may be charged for requests for disclosure.

Article 9 (Amendments to Privacy Policy)

  1. The Company may revise this Policy as necessary due to changes in laws, business operations, or other factors.

  2. If this Policy is revised, the Company will notify Users by posting it on the Company website, notifying within the application, or by other methods deemed appropriate by the Company.

  3. The revised Privacy Policy shall take effect from the time it is posted on the Company website, unless otherwise specified by the Company.

Article 10 (Contact Information)

For comments, questions, complaints, or other inquiries regarding the handling of user information, please contact the following:

Mitsutomi LLC

Supplementary Provisions Established and Effective: April 1, 2026

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