Privacy Policy

Scope and purposes

Sunagaku handles the information described below to provide this website and Labs, prevent abuse, and respond to inquiries. External websites have their own privacy policies.

Input to diagnostic tools

X Buzz Check, KANOJO CHECK, and CANDY TUNE Oshi Finder send your text or selected answers to our server when you run an analysis, to produce the requested result. Text is not continuously sent as you type.

We send input text or selected answers to the TypeSafe AI API for analysis. TypeSafe AI hosts its services in the United States, so processing occurs outside Japan. Its policy below explains its handling and retention practices. The absence of input history on our site does not mean that an external provider retains no data.

Please leave out personal information unnecessary for the analysis and confidential information belonging to others.

• TypeSafe AI Privacy Policy

Diagnostic data storage

For these three tools, our application does not save input text or selected answers in its database, build an input history, or write answers to application logs.

X Buzz Check temporarily stores numeric scores, classifications, and similar result data, without the original text, with a validity period of 10 minutes to avoid duplicate processing. Expired data is deleted by scheduled cleanup or a subsequent request. KANOJO CHECK and CANDY TUNE Oshi Finder do not store results in this way.

Cookies and abuse prevention

X Buzz Check uses a necessary cookie named xpost_session to manage usage limits. It expires 14 days after issuance and contains no input text. You can delete or disable cookies in your browser, but this may prevent the tool from working correctly.

All three tools use identifiers derived from IP addresses or other identifiers using a secret key, along with request times and counts, in their usage-limit databases instead of storing raw IP addresses there. X Buzz Check uses a one-minute window and daily counters for the current day in Japan, then deletes expired records. KANOJO CHECK and CANDY TUNE Oshi Finder use one-minute request records and daily counts for each tool, removing old records through cleanup.

Site delivery and external services

Cloudflare provides site delivery and protection. It processes communication data such as IP addresses, access times, requested URLs, and browser information. This is separate from storage in the diagnostic databases.

The site uses Google Fonts. Your browser contacts Google to retrieve fonts, sending communication information such as your IP address.

CANDY TUNE Oshi Finder results embed the selected member's official X post and YouTube video. When displayed, your browser connects to those services and sends communication information such as your IP address and browser details. Those services may use cookies or similar technologies. We do not pass your diagnostic text or selected answers to these embeds.

After you open an advertisement or external link, the destination service's practices apply. External providers may process information outside Japan.

• Cloudflare Privacy Policy
• Google Privacy Policy
• X cookies and embedded content

Inquiries and information management

When you contact us by email or another channel, we use the name, email address, message, and other information you provide to respond and communicate as needed. We aim not to retain personal information beyond what is needed to handle the inquiry or comply with law.

We apply measures such as access restrictions to help prevent leaks and misuse. We do not provide personal information to third parties without consent, except for service providers needed to deliver the service or as permitted by law.

For requests about access, correction, deletion, or restriction of your personal information, please contact us below. We may verify your identity and will respond in accordance with applicable law.

Policy changes

We will update this page and its date when the service or its data handling changes. We will announce significant changes on the site and obtain separate consent where required by law.