These LINE OpenChat Terms and Conditions of Use (these “Terms and Conditions”) set forth the terms and conditions for the use of the LINE OpenChat service (the “Service”) provided by LY Corporation (the “Company”) to users of the Service (each, a “User” and, collectively, “Users”, depending upon the context)

Article 1. Definitions
The following words and terms shall have the meanings set forth below when they are used in these Terms and Conditions:
(1) “Posted Contents” means the contents that Users have posted, sent or uploaded to the Service.
(2) “OpenChat” means a group that Users create or participate in through the Service.
(3) “Talk Room” means a place in an OpenChat where group chats, interpersonal chats and/or voice calls created or participated in by Users or the Company are held.
(4) “Administrator” means a User who administers a created OpenChat and Talk Room.

Article 2. Agreement to these Terms and Conditions
1. All Users shall use the Service in accordance with these Terms and Conditions. Users may not use the Service unless they agree to these Terms and Conditions.
2. Users who are minors may only use the Service by obtaining prior consent from their parents or legal guardians.
3. These Terms and Conditions shall be applied together with the LY Corporation Common Terms of Use (link) separately provided by the Company. If there is any inconsistency or conflict between any provision of these Terms and Conditions and those of the LY Corporation Common Terms of Use, these Terms and Conditions shall apply in preference thereto.
4. The Company may revise these Terms and Conditions in any of the following cases.
In the foregoing case, the Company will make public, by indicating on the Service or the Company’s website, or notifying Users according to a method prescribed by the Company, to the effect that these Terms and Conditions will be revised, as well as the subject matter and effective date of the revised version of these Terms and Conditions. In the case of Item (2) below, the Company will make the revision public for a reasonable period before the effective date of the revision. The revised version of these Terms and Conditions shall come into effect from the effective date:
(1) when the revision to these Terms and Conditions conforms to the general interests of Users; or
(2) when the revision to these Terms and Conditions is not in breach of the purpose of any contract, and is rational in light of the necessity of such revision, the appropriateness of the subject matter after revision, and other circumstances concerning the revision.
5. The Service can be used only in specified countries and regions. Please note that the LINE OpenChat Terms and Conditions of Use in traditional Chinese shall be applicable to Users in Taiwan. 

Article 3. Modification and Termination of the Service
(1) The Company may modify all or part of the Service when corresponding to any of the following items:
  1. when modification to the Service, such as addition of functions to the Service or improvement of the Service, conforms to the general interests of Users; or
  2. in cases other than the preceding item, when there is rationality in light of the necessity to modify the Service, the appropriateness of the Service after modification, and other circumstances concerning the modification.
(2) When the Company deems it necessary, it may terminate all or any part of the Service at any time, without providing prior notice to Users. When terminating the Service, the Company may notify Users by delivering a notice within the Service or by any other method which the Company deems appropriate.

Article 4. Account
(1) Users will be required to have a LINE Account in order to use the Service. Without pre-registering a telephone number and e-mail address with their LINE Account, Users are not allowed to log in this Service. Please be aware that the management and usage of LINE Account should comply with LY Corporation Common Terms of Use as agreed by you while applying LINE Account.
(2) Users’ rights to use the Service and their usage history shall all expire when their LINE Accounts have been deleted or have been suspended to use this Service. Please be aware these data cannot be reinstated. 

Article 5. Rights and Handling of Posted Contents
1. Users shall continue to maintain their rights pertaining to the Posted Contents in the Service and the Company shall not acquire any rights therein; provided, however, that Users shall grant the Company a royalty-free, perpetual and worldwide license to use, for any services and promotions of the Company (including the Company’s right to make modifications or amendments within the scope that it deems necessary and appropriate, as well as the right to sublicense such usage right to a third party with which the Company forms an alliance), the Posted Contents that are disclosed to other general Users who are not friends in Talk Rooms, wherein the Talk Rooms are allowed to be searched for and the privacy settings of the Talk Rooms are set as public, from the time when such Talk Rooms are created.
2. Notwithstanding the first sentence of the preceding paragraph, the Company may use AI to summarize the content of the Posted Contents (regardless of the following settings for the Talk Rooms in which such Posted Contents are posted: (i) settings to allow Talk Room searches; (ii) privacy settings; and (iii) settings to allow message searches and previews; as well as regardless of the settings to change the scope and conditions under which Talk Rooms are displayed and the Posted Contents within Talk Rooms are displayed), and display the results thereof (the “AI Summary Results”). In this case, the AI Summary Results shall be displayed only in the scope and the conditions under which the Posted Contents may be displayed (i.e., the Posted Contents based on which the AI Summary Results are summarized).
3. Users agree in advance that all information that they have posted on their accounts will be deleted if and when the Company terminates its provision of the Service.
4. In the event the Posted Contents are deleted due to the provisions of Article 7 or Article 8 or for any reason whatsoever, when a thread, the origin of which is such Posted Contents, is created, the other Posted Contents constituting such thread may be deleted together with the Posted Contents, regardless of the party posting such contents, and the Company shall not be responsible therefor.

Article 6. Use of Information under the Service
1. Users agree that the Company may confirm and use each type of information relating to Users within the Service (including, without limitation, profile information set by Users, Users’ internal identifiers, messages and audio data sent and received within the Service, Posted Contents logs (including sending and receiving status, status of message opening, status of clicking on links, etc., and video viewing status) and information about OpenChat and Talk Room) until such time as the Service is terminated, and may share such information with its subsidiaries or affiliates (*1) (collectively, “Group Companies”) or its subcontractors, to the extent necessary to achieve the following purposes:
- Prevention of unauthorized use of the Service, including confirming and supporting the details of reports and developing tools to prevent unauthorized use;
- Development, improvement and statistical analysis of services provided by the Company or the Group Companies, including giving consideration to user-friendly screen design; and
- Provision of the optimized services (link) by the Company or the Group Companies including displaying ads appropriate to the interests of each Use, and the input auxiliary function, and the message summary function using AI (*2).
*1 The definitions of “subsidiary” and “affiliate” shall each be subject to the definitions stipulated under the “Japanese Ordinance on the Terminology, Forms, and Preparation Methods of Financial Statements, etc.”
*2 Generative AI services provided by OpenAI OpCo, LLC and OpenAI, L.L.C. (both of which are U.S. based companies) are to provide the Service, and there may be instances where each type of information relating to Users within the Service will be shared with such company to the extent required for the provision of the Service.
2. The Company will retain profile information set by a User in each OpenChat within the Service in order to display such profile information within the Service even after such User leaves the OpenChat or delete his/her LINE account.
3. Other handling of personal information shall be subject to the LY Corporation Privacy Policy (link).  

Article 7. Responsibility of Users
If a User has breached or is likely to have breached any of these Terms and Conditions or any other LY Corporation Common Terms of Use, or if any significant event otherwise arises which makes it difficult to allow a User to continue using the Service, the Company may, without giving any notice to such User:
(1) Delete any Posted Contents, AI Summary Results, OpenChat or Talk Room;
(2) Cause any Posted Contents, AI Summary Results, OpenChat or Talk Room to become inaccessible for third parties;  
(3) Force such User to withdraw from a voice call in a Talk Room or forcibly terminate such User’s voice call in a Talk Room;
(4) Suspend such User’s LINE account; and/or
(5) Suspend the use of all or part of the Service;
In addition, the criteria used by the Company regarding the actions described above shall be subject to guidelines (link) separately set out by the Company.

Article 8. Rights and Responsibilities of Administrator
1. The Administrator of each OpenChat may delete any Posted Contents of other Users within the OpenChat that is under his/her administration, cause other Users to withdraw from such OpenChat, cause other Users to withdraw from voice calls in a Talk Room that is under his/her administration, and may restrict other Users from speaking on a voice call in a Talk Room that is under his/her administration, and other Users shall agree thereto.
2. Any dispute or problem between an Administrator of an OpenChat and any other User, or any dispute or problem between Users, shall be resolved between such parties, and the Company shall not be responsible therefor.
3. If an Administrator of an OpenChat deletes the LINE account that he/she was using or has not been using such account for more than one year, or the Company otherwise reasonably deems such Administrator to be inappropriate as an Administrator, the Company may forfeit his/her authority to administer such OpenChat and grant such authority to another User, in accordance with the method set forth by the Company, and the Company shall not be responsible for any disadvantage suffered by such Administrator as a result thereof.


Date of Establishment: April 29, 2020
Date of Revision: June 1st, 2023
Date of Revision: November 6, 2023
Date of Revision: March 11, 2024
Date of Revision: June 11, 2024