BOOK-BOOK Chagama Privacy Policy

BOOK-BOOK Chagama (hereinafter referred to as the “Operator”) hereby establishes this Privacy Policy (hereinafter referred to as this “Policy”) regarding the handling of personal information and usage data entrusted to us by users in connection with the application “BOOK-BOOK Chagama” (hereinafter referred to as the “App”).

Article 1 (Information We Collect and How We Collect It)

In providing the App, the Operator may collect the following user information.

1. Information you provide directly

• Account registration information: email address and password
• External service linkage information: if you choose an external social login such as Google Sign-In, the identifier (ID) and registered email address obtained from that external service

1. Payment-related information

• Paid plans in the App are processed through an external payment service provider (Stripe). Credit card details, Apple Pay, Link, and other payment and contact information entered by users are processed and managed directly by that payment service provider. The Operator does not view, obtain, or retain sensitive payment information such as credit card numbers on its servers.

1. Information collected automatically through use of the App (including future expansions)

• Usage logs and statistics: reading time within the App, pages read, operation history, and other reading statistics
• Device information: OS version, device type, language settings, and similar information about the device you use

Article 2 (Purposes of Use)

The Operator uses collected information for the following purposes.

1. To create App accounts, verify identity, and manage users
2. To confirm purchases of paid plans and to manage and provide subscriptions
3. To provide features that visualize, analyze, and display the user’s own reading records and reading statistics
4. To perform statistics and analysis for bug fixes, updates, and service improvements
5. To respond to user inquiries and to notify users of important information

Article 3 (Storage and Management of Information)

1. Book data imported into the App (such as content files) is stored only on the user’s device (local environment) and is not transmitted to or stored on the Operator’s servers.
2. Account information and data necessary for the purposes set out in Article 2 (such as reading statistics) are appropriately managed on secure servers administered by the Operator.

Article 4 (Restrictions on Third-Party Disclosure)

The Operator will not provide collected personal information to third parties without the user’s consent, except in the following cases.

1. When required by law
2. When necessary to protect a person’s life, body, or property, and obtaining the individual’s consent is difficult
3. When cooperation is necessary for a national or local government agency, or a party entrusted by such an agency, to perform duties prescribed by law, and obtaining the individual’s consent may impede performance of those duties (including lawful disclosure requests from courts, police, or other public authorities)

Article 5 (Disclosure, Correction, and Deletion of Personal Information)

Users may request deletion of registered personal information by completing the App’s account deletion (withdrawal) process. Users who wish to request disclosure or correction of registered information should contact the Operator through the designated inquiry channel. The Operator will respond promptly in accordance with applicable law.

Article 6 (Changes to This Policy)

The Operator may amend this Policy as necessary due to legal amendments or additions or changes to App features. The amended Privacy Policy becomes effective when posted in the App or on the official website.

Article 7 (Contact)

For inquiries regarding this Policy or questions about the handling of personal information, please contact us via the inquiry form in the App or through the channel designated by the Operator.