We establish this Privacy Policy (the “Policy”) as follows regarding the handling of user information, including personal information about users, in the service we provide (the “Service”).

1. User information we collect and how we collect it

In this Policy, “user information” means information relating to the identification of a user, records of behavior on the communication service, and other information generated or accumulated in relation to a user or a user's device, which is collected under this Policy. The user information collected in the Service is as follows, according to how it is collected.

(1) Information you provide to us. The information you provide in order to use the Service, or through your use of the Service, is as follows.

(2) Information provided by another service when you permit the Service to link with it

If you permit the Service to link with another service such as a social networking service, we collect the following information from that external service, based on what you consented to when granting permission.

(3) Information we collect when you use the Service

We may collect information about how the Service is accessed and used. This includes the following.

(4) Information we collect based on your individual consent when you use the Service

If you individually consent by the method set out in 3-1, we collect the following information from the device you are using.

2. Purpose of use

The specific purposes for which we use user information in providing the Service are as follows.

  1. (1) To provide, maintain, protect, and improve the Service, including accepting registrations, verifying identity, authenticating users, recording user settings, and calculating payment of fees
  2. (2) To measure user traffic and behavior
  3. (3) To provide information about the Service and respond to inquiries
  4. (4) To respond to conduct that breaches the terms, policies, and the like relating to the Service (the “Rules”)
  5. (5) To notify you of changes to the Rules relating to the Service

3. Methods of notice, publication, and obtaining consent, and how to request that use be stopped

3-1 For the following user information, we obtain your consent before collecting it.

IDFA

3-2 By configuring the settings provided in the Service, you may request that the collection or use of all or part of your user information be stopped, in which case we will promptly stop such use in accordance with our rules. Note that for some items of user information, collection or use is a prerequisite for the Service; in those cases we stop collection or use only when you withdraw from the Service by the method we specify.

4. Information collection modules and external transmission

The following information collection modules are embedded in the Service. Accordingly, we provide user information to the providers of these modules (including providers located outside Japan) as follows.

Firebase Analytics

Firebase Crashlytics

Firebase Cloud Messaging / Firebase In-App Messaging / Firebase Remote Config / Firebase Dynamic Links

RevenueCat

Google Sign-In

Sign in with Apple

5. Provision to third parties

We do not provide personal information contained in user information to third parties (including those located outside Japan) without obtaining your prior consent. This does not apply, however, where provision to a third party (including those located outside Japan) is necessary in any of the following cases.

  1. (1) Where we entrust all or part of the handling of personal information to the extent necessary to achieve the purpose of use
  2. (2) Where personal information is provided as part of a business succession due to a merger or other reason
  3. (3) Where personal information is provided to an information collection module provider in accordance with Section 4
  4. (4) Where it is necessary to cooperate with a national agency, a local government, or a party entrusted by either of them in carrying out duties prescribed by law, and obtaining your consent risks impeding the performance of those duties
  5. (5) Any other case permitted under the Act on the Protection of Personal Information of Japan (the “APPI”) or other laws

6. Disclosure of personal information

When you request disclosure of personal information under the APPI, we will confirm that the request comes from you and then disclose it to you without delay (if the personal information does not exist, we will notify you accordingly). This does not apply where we are not obliged to disclose under the APPI or other laws. Please note that a fee of 1,000 yen per request applies to the disclosure of personal information.

7. Correction of personal information and suspension of its use

7-1 If you request, under the APPI, (1) correction of your personal information on the grounds that it is not accurate, or (2) suspension of its use on the grounds that it is being handled beyond the scope of the purpose of use published in advance or that it was collected by deception or other improper means, we will confirm that the request comes from you, conduct the necessary investigation without delay, correct the personal information or suspend its use based on the results, and notify you accordingly. If we decide not to make a correction or suspend use, we will notify you of that decision.

7-2 If you request that your personal information be deleted and we determine that we need to comply with that request, we will confirm that the request comes from you, delete the personal information, and notify you accordingly.

7-3 Sections 7-1 and 7-2 do not apply where we are not obliged to make corrections or suspend use under the APPI or other laws.

8. Contact for inquiries

For opinions, questions, complaints, and other inquiries regarding the handling of user information, please contact us at the following.

[email protected]

9. Procedure for changing this Policy

We will change this Policy as necessary. However, where a change to this Policy requires your consent by law, the amended Policy applies only to users who have consented to the change by the method we specify.

10. Language

The Japanese version of this Policy is the official text. Even where a translation of this Policy has been prepared, if there is any discrepancy between the Japanese version and the translation, the Japanese version prevails. You can read the Japanese version here.

11. Business operator

[Established December 30, 2021]

[Updated August 13, 2026]