Privacy Policy
Nayutari (the “Operator”) handles information about users of the game “RamuneBit”, its online features, and its official website (together, the “Service”) in accordance with this Privacy Policy.
This English version is a reference translation. The Japanese version is the official text and prevails if the two differ.
The Service does not ask you to register an email address, name, phone number, address, or payment information. It has no in-game purchases, no ads, and no chat.
1. Information We Collect
1.1 Game Account
You sign in to the game’s online features with the account of the store you got the game from.
| Information | Details |
|---|---|
| User ID | The identifier of your account in the Service. We use the Product User ID of Epic Online Services (“EOS”). The Operator’s servers identify your account by this ID only. |
| Epic Games account information (Epic Games Store version) | When you sign in with your Epic Games account, we receive your Epic Games account ID and display name within the scope you consent to (Basic Profile). We use them only to sign you in and identify your account, and do not store them on the Operator’s servers. Your display name is not shown in the game (the name shown in the game is your nickname in 1.2). We do not request access to your friends list or online presence. |
| Steam account information (Steam version) | When you sign in with your Steam account, we receive your Steam ID and a sign-in authentication ticket. We use them only to sign you in and identify your account, and do not store them on the Operator’s servers. |
| For how information in your Epic Games account itself is handled, see the Epic Games Privacy Policy (https://www.epicgames.com/site/privacypolicy). |
1.2 Information You Create or Set
| Information | Details |
|---|---|
| Nickname | The name shown in the game |
| Boards | Data of boards you create (including drafts), thumbnail images, and your run recording (ghost) |
| Marble painting | The image you paint |
| Favorites and blocks | Boards you added to favorites, and Users and boards you blocked |
1.3 Play Records
We record totals such as the number of plays, the number of clears, the total distance rolled, and the total play time, and per-board totals of plays and clears. We do not record details of when you played which board.
1.4 Reports and Measures
| Information | Details |
|---|---|
| Report contents | The reporting User and the target, the reason, and the state of the target at the time of the report (nickname, version of the painting, etc.) |
| Connection information at the time of a report | A country code, and a value derived from your IP address using a key only the Operator holds (a keyed hash). We do not store the IP address itself. The original IP address cannot be recovered from this value. |
| Records of measures | What measure the Operator took, why, and when |
1.5 Connection Information
- IP address: Received to make communication with the Service possible, but not stored (except as described in 1.4 for reports).
- Region: We determine your multiplayer region (Asia, Europe, etc.) from the country and continent you connect from. The region is not stored.
- Multiplayer: The game is configured so that communication with other participants always goes through relay servers. Your IP address is not revealed to other participants.
1.6 Information Stored Only on Your Device
Settings, recently played boards, and the list of players you played with are stored only on your device and are not sent to the Operator’s servers.
1.7 Official Website
| Information | Details |
|---|---|
| Visit statistics | Cloudflare Web Analytics aggregates page views, referrers, countries, browser types, etc. No cookies are used. It is not used to identify individuals. |
| Language detection | The display language is chosen from your browser’s language settings. It is not stored. |
| Videos | Only when you press a video’s play button is the YouTube (Google) player loaded and information collected by Google. No communication with Google occurs until you press it. |
1.8 Inquiries
When you contact us, we collect your email address, the content of your inquiry, and any information you provide to confirm your identity.
1.9 Purchases
Purchases of the game are handled by each store, and the Operator does not receive payment information.
2. Purposes and Legal Bases
| Purpose | Information used | Legal basis (where the EU GDPR applies) |
|---|---|---|
| Providing the Service (accounts, publishing and distributing boards, syncing and displaying paintings, multiplayer, showing records) | 1.1–1.3, 1.5 | Performance of a contract |
| Making communication possible and preventing unauthorized access | IP address in 1.5 (not stored) | Performance of a contract, legitimate interests |
| Preventing abuse (detecting inflated reports) | Country code and keyed hash of the IP address in 1.4 | Legitimate interests |
| Handling violations of the Terms (reviewing reports, taking measures, handling appeals, preventing recurrence) | 1.2, 1.4 | Legitimate interests |
| Improving the Service (understanding aggregated usage) | 1.3, 1.7 | Legitimate interests |
| Responding to inquiries | 1.8 | Performance of a contract, legitimate interests |
| Complying with laws | Information as needed | Legal obligation |
If we use information beyond these purposes, we will ask for your consent in advance.
3. Information Visible to Other Users
- Nickname: Shown as a board’s creator name, in room member lists, on name tags above marbles, and in the list of players who cleared a board.
- Published boards: Visible to all Users, together with the creator’s name, thumbnail, the creator’s run recording, and statistics (plays, clears, and publication date).
- Marble painting: Shown to other participants in the same room.
- Information during multiplayer: Your marble’s position and movement and your goal records (times) are shared with participants in the same room. The room’s region (Asia, Europe, etc.) is shown as room information.
4. Sharing with and Entrusting to External Businesses
Except where permitted by law, the Operator does not provide personal information to third parties without your consent. We never sell the information we collect, and we do not use it for advertising. To provide the Service, we use the services of the following businesses.
| Business | Country | Purpose | Privacy policy |
|---|---|---|---|
| Epic Games, Inc. | United States | EOS (sign-in, account identifiers, rooms and matchmaking, relaying multiplayer communication), and signing in with an Epic Games account (Epic Games Store version) | https://www.epicgames.com/site/privacypolicy |
| Cloudflare, Inc. | United States (data is processed in data centers around the world) | Running servers, storing and delivering data, delivering the official website and aggregating visits | https://www.cloudflare.com/privacypolicy/ |
| Google LLC | United States | Videos on the official website (YouTube), only when played | https://policies.google.com/privacy |
| Store operators | Each company’s country | Selling and distributing the game, and signing in with a store account | Each store’s privacy policy |
- These businesses handle information outside Japan (mainly in the United States). The Operator has reviewed the terms of its agreements with each company and confirmed that a system meeting the standards set by Japan’s Act on the Protection of Personal Information is in place. You can learn about the personal information protection systems of each country in the Personal Information Protection Commission’s survey of foreign systems. On request from the person concerned, we will provide information on the measures these businesses take, in accordance with the law.
- We transfer information from the EU, the UK, and similar regions under lawful transfer mechanisms such as standard contractual clauses.
5. Retention Periods
| Information | Retention period |
|---|---|
| Your account and information tied to it (the user ID in 1.1, 1.2, and 1.3) | Until you delete your account |
| Store account information received when you sign in (1.1) | Used only for the sign-in process and not stored on the Operator’s servers |
| Published boards | Until the creator deletes them |
| Report records (1.4) | Until the report target, the reporting account, or the reported account is deleted |
| Records of measures (1.4) | Kept even after the sanctioned account is deleted, to prevent recurrence and to correct mistaken measures. They do not include the identifier of the reporting User. |
| Deleted information | Because of periodic deletion processing and the retention period of copies kept in case of failures, it can take up to about two months for deleted information to disappear completely. |
| Server logs | Only records of errors are kept, and they disappear after a short period. |
| Inquiries | For the period needed after we finish responding |
6. Security
- All communication is encrypted.
- Public information and personal information are stored in separate places.
- Administrative screens can be used only by the Operator after authentication.
- IP addresses are not stored; where needed to prevent abuse, they are converted into a form that cannot be reversed before being stored.
7. Your Rights and Procedures
- Deleting your account: You can delete your account at any time from the in-game settings. When you do, the information tied to the account is deleted according to the retention periods in Section 5. A deleted account cannot be restored.
- Requests for disclosure, correction, deletion, suspension of use, etc.: For requests you cannot make through item 1, contact us at the address in Section 10. After confirming that you are the person concerned, we will respond without delay in accordance with the law.
- Withdrawing consent for your Epic Games account and deletion requests: You can revoke the access you granted to the game in the Epic Games Store version from your Epic Games account settings. After you revoke it, you can no longer sign in to the online features of the Epic Games Store version, but your account in the Service and its information are not deleted. To delete them, use item 1 or 2. If we receive a notice from Epic Games about your request to delete your information, we will delete the account in the Service tied to that Epic Games account.
- Confirming your identity: Please tell us the user ID shown in the in-game settings. Because user IDs may be seen by others (for example, during livestreams), we may also ask you to perform an in-game action that only you can do. If we cannot confirm your identity, we may be unable to fulfill your request.
- Residents of the EU, the UK, and similar regions: Under the GDPR and similar laws, you have the rights of access, rectification, erasure, restriction of processing, data portability, and objection. You can also lodge a complaint with the supervisory authority in your country.
8. Minors
The Service has no age limit, but minors must use it with the consent of a parent or guardian. In the Service, information such as nicknames and paintings is visible to other Users. Parents and guardians, please remind your child not to write information that can identify them. Requests from parents or guardians are accepted at the contact in Section 10.
9. Changes to This Policy
When this policy changes, we will post the new content and its effective date on the official website. If we expand the information we collect or the purposes of use, we will post the change a reasonable period before the effective date.
10. Operator and Contact
- Operator: Nayutari (individual)
- Contact: contact@nayutari.com
- The Operator’s name and address will be provided without delay when requested, in accordance with the law, by a person whose personal data the Operator holds.
11. Language
The Japanese version of this policy is the official text. Versions in other languages are reference translations, and if they differ from the Japanese version, the Japanese version prevails.
Established: October 5, 2026