Last Updated: December 27, 2025
Mochiyori Seisan (the "Service") values the protection of users' personal information. This Privacy Policy explains how the Service collects, uses, and protects information.
The Service may collect the following information:
The following information may be automatically collected when using the Service:
Collected information is used for the following purposes:
The Service will not share users' personal information with third parties except in the following cases:
Information entered within an event (participant names, payment information, etc.) is shared with other users who have access to the same event.
The Service uses Google Firebase (provided by Google LLC, USA) to store data. Data is stored in an encrypted state with appropriate security measures in place.
Event organizers can delete events they have created and their related data at any time. Deleted data will be promptly removed from servers, except for backups.
The Service uses cookies and local storage to improve service convenience. These technologies are used for session management and saving user settings. You can disable cookies in your browser settings, but some features may not work properly.
The Service implements industry-standard security measures to protect users' information. However, complete security cannot be guaranteed for communications over the internet.
The Service uses the following external services:
These services have their own privacy policies.
The Service does not intentionally collect personal information from children under 13 years of age. Parents are requested to supervise when their children use this service.
The Service may change this Privacy Policy as necessary. In the event of significant changes, we will notify users on the Service.
If you have any questions or concerns about this Privacy Policy, please contact us at:
* Contact information will be added in the future.