Terms of Service

Effective October 1, 2026 · Revised October 2, 2026 (email login added)

Article 1 (Purpose)

These Terms set out the conditions and procedures for using BookBini (bookbini.com, the “Service”), a children's English storybook service operated by NexBiz Co., Ltd. (Korean: 주식회사 넥스비즈, the “Company”), and the rights and duties of the Company and its users.

Article 2 (Definitions)

• Member: a parent or guardian who signs in through social login or email login and agrees to these Terms
• Profile: a reading space for each child inside a member's account (up to 4 per account)
• Content: the text, pictures, videos, audio, word cards and other parts of the storybooks provided by the Service
• BookBini · Bini: the name of the Service, the character Bini in the beanie hat, the logos and other trademarks and works of the Company
• Pass: the right to use the Service for a set period, received by registering a code issued by the Company

Article 3 (Posting and Changes)

The Company posts these Terms on the Service. When the Terms change, the Company announces the changes and the effective date at least 7 days in advance, or at least 30 days in advance for changes unfavorable to members. A member who does not agree to the changed Terms may close their account.

Article 4 (Accounts and Profiles)

1. An account is created by a parent or guardian aged 14 or older using Kakao, Naver or Google login, or email login (a one-time code sent by email). There is no separate sign-up: the account is created when the member first signs in to read and agrees to these Terms and the Privacy Policy.
2. Children read through profiles created by the parent or guardian, who is responsible for managing the profiles and their use.
3. Members may not lend or sell their account to others. Each account is intended for use within one household.

Article 5 (The Service)

1. The Service offers storybook reading and listening, scene videos, word- and sentence-level highlighting, word cards, bedtime mode, texts at different levels (Kinder, Elementary, Middle) and American and British English editions. The Company keeps adding books and may revise the text, pictures or audio of existing books, or stop offering some books, to improve the Service.
2. Some pictures, videos and audio in the books were made with the help of artificial intelligence and are reviewed by the Company before release.

Article 6 (Beta Period and Fees)

1. Until the Company launches paid service, the Service is in a beta period, and signed-in members may use all books free of charge.
2. Before paid service launches, the Company will add the fees, payment methods and refund rules to these Terms and announce them at least 30 days in advance. No fee is charged unless the member makes a payment.
3. When paid service launches, beta members who joined before then automatically receive a 7-day pass.
4. Members who join after paid service launches may use all books free of charge for 48 hours from their first login (no payment method required). A book being read when the 48 hours end may be read to the end.

Article 7 (Passes)

1. A pass has a registration deadline and a period of use. Codes past their registration deadline cannot be registered.
2. The period of a registered pass is added after any remaining period of use (including a free trial).
3. Passes received free of charge cannot be exchanged for cash or refunded, and cannot be moved to another account once registered.
4. The Company may cancel a pass obtained by improper means.

Article 8 (Rights to Content)

Copyright and other rights in the Content belong to the Company or the rightful owners. Members may use the Content personally within their household, and may not copy, record, distribute, transmit or sell it, or use it for commercial purposes such as classes or videos, without the Company's permission. The BookBini and Bini names, character and logos may not be used for products, services or promotional material without the Company's permission.

Article 9 (Members' Obligations)

Members must not:

• use another person's account or information without permission;
• use programs that automatically download or collect the Content;
• interfere with the normal operation of the Service or get around its security measures; or
• act against the law or these Terms.

If a member breaks these rules, the Company may restrict their use after giving notice (or afterwards in urgent cases).

Article 10 (Advertising)

The Service currently has no advertising. If advertising is added in the future, the Company will decide how it is shown with children in mind and announce it on the Service beforehand.

Article 11 (Changes to or Suspension of the Service)

1. The Company may suspend the Service temporarily for system maintenance, equipment failure or problems with outside infrastructure. If advance notice is not possible, notice is given afterwards.
2. If the Service is closed, the Company will give at least 30 days' notice and refund members with a remaining paid period for that remaining period.

Article 12 (Closing an Account)

Members may close their account at any time in the settings screen or by email. Closing an account permanently deletes the account, profiles, reading records and any remaining passes. This cannot be undone.

Article 13 (Limitation of Liability)

The Company is not liable for damage caused by natural disasters, by the member's own fault, or by failures of outside infrastructure the Company cannot control. Damage caused by the Company's intent or negligence is compensated in accordance with applicable law.

Article 14 (Disputes)

Please contact us at the address below with any complaint or dispute about the Service, and we will handle it promptly. These Terms are governed by the laws of the Republic of Korea, and any lawsuit shall be filed with the competent court under the Korean Civil Procedure Act.

Article 15 (Contact)

nexbiz.co.kr@gmail.com

Addendum — These Terms take effect on October 1, 2026. Revised October 2, 2026 (email login added).