Privacy Policy - Unlock Guardians & Unlock Guardians Lite

DEI Systems Corporation (hereinafter referred to as "the Company") has established this Privacy Policy as the fundamental principle for the protection of personal information regarding the application "Unlock Guardians" and "Unlock Guardians Lite" (hereinafter referred to as "the App") operated by the Company. We promise to handle the valuable personal information provided by users (hereinafter referred to as "Users") who use the services (hereinafter referred to as "the Service") provided by the App and its related services in accordance with this Privacy Policy, with utmost care in its collection and handling.

Information Collected from Users and Its Purpose of Use

In the Service and its related services, it may be necessary to register personal information when using them. The personal information provided by Users will be handled with care in accordance with the Privacy Policy and will be used for the following purposes. Please note that unless otherwise agreed by the individual, such personal information will not be used for purposes other than those stated below.


1. Use for Smooth Communication between the Company and Users

The email address registered for the Service will be used as a means of communication when it is reasonably determined that it is necessary to contact the individual for the provision of information related to the Service or for any other reason that may be beneficial to the User.

2. Collection of Statistical Information for Service Improvement

Aggregate statistical information, such as access logs and histories that do not clearly identify individuals, may be collected and disclosed for the purpose of improving the quality of the Service, understanding user preferences, and optimizing ad display. Please understand this.

3. Others

In addition to the above, personal information may be obtained through various services. For such personal information, in addition to the purposes stated in the preceding items, it will be used in accordance with the purposes of use notified or disclosed by the Company, as well as the provisions and terms and conditions related to the respective services.

When and how to obtain it?

We will only provide personal information to our users under the following circumstances:

1.When you join or register for this service.

2.When you voluntarily enter information while using various features within this service.

3.When you contact our support.

4.When we have obtained your explicit consent.

Regarding the disclosure of information to third parties.

Lawfully and fairly collected personal information of users, for the purpose of service operation, will not be provided to third parties (as defined by the Act on the Protection of Personal Information) without the explicit consent of the individual. However, please understand in advance that the following cases are exceptions to this:

1.When disclosure is deemed necessary by the company based on legal requirements.

2.When it is difficult to obtain the consent of the individual and there is a need to protect the life, body, or property of a person.

3.When there is a special need for the improvement of public health or the promotion of healthy upbringing of children, and it is difficult to obtain the consent of the individual.

4.When it is necessary to cooperate with national agencies, local governments, or their commissioned parties in performing duties prescribed by law, and obtaining the consent of the individual may hinder the performance of such duties.

Regarding the correction and deletion of personal information.

We strive to maintain the accuracy of the personal information you have registered with us. The information you provide can be corrected or deleted at any time by the user themselves through the website. Additionally, if there is a request from the user to correct or delete other information, we will promptly investigate and confirm the reasonableness of the request and accommodate it to the extent possible.

Regarding the revision of the privacy policy.

The contents of this privacy policy may be changed without prior notice. In the event of any changes, we will notify our users by posting them on the website, so please check regularly for updates.


Established on August 27, 2022.

DEI Systems Corporation
2nd Floor, Ikenohata Hiro Heights,
2-12-18 Ueno, Taito-ku,
Tokyo 110-0005, Japan