"Personal Information" refers to data that identifies an individual, such as name, date of birth, address, phone number, email address, and biometric data. Applicable laws include Japan's Act on the Protection of Personal Information, GDPR, UK GDPR, CCPA, and other relevant regulations. This Service is intended for parents, guardians, and school staff only. It is not designed for use by children under 13 years of age.
We may ask users to provide personal information such as name and email address when registering for the Service. In addition, for users outside Japan, our third-party advertising partner (Google AdMob) may automatically collect certain information such as advertising identifiers, device information, and usage data for the purpose of serving advertisements.
We collect and use personal information for the following purposes:
We may change the purpose of processing personal information only if the new purpose is reasonably related to the original purpose. If the purpose changes, we will notify users or announce the change by an appropriate method.
We do not share personal information with third parties except:
We do not sell personal information. California residents may exercise rights under CCPA, including the right to opt-out of any data sharing for marketing purposes. For details on how Google handles data, please refer to Google's Privacy Policy (https://policies.google.com/privacy).
Users may request disclosure of their personal information. We will respond promptly unless disclosure would:
If disclosure is denied, we will notify the user promptly. A fee may be charged for disclosure.
Users may request correction, addition, or deletion of their personal information. We will respond promptly if necessary and notify the user of the decision.
Users may request suspension or deletion of personal information if handled beyond the stated purpose or obtained improperly. If implementation is difficult, we will take alternative measures to protect user rights.
Personal information may be transferred outside your country of residence with appropriate safeguards.
For users in Japan, this app does not use cookies or tracking technologies. For users outside Japan, this app uses Google AdMob to display advertisements. AdMob may use advertising identifiers (such as IDFA on iOS and Advertising ID on Android), cookies, and similar tracking technologies to serve personalized or non-personalized ads. Users can manage ad personalization preferences through their device settings. For more information, please refer to Google's advertising policies.
Users have the right to:
We retain personal information only as long as necessary for the stated purposes and implement appropriate technical and organizational measures to protect personal data.
This Policy may be updated from time to time. Changes will take effect upon posting.
For inquiries regarding this app, please contact the Operator.
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Effective Date on December 2, 2020
Last Updated on April 9, 2026