The Monogatari Corporation
- Aliases / services
- 物語コーポレーション / Monogatari Corporation / 焼肉きんぐ / Yakiniku King / The Monogatari Corporation / 株式会社物語コーポレーション
- Official website
- https://www.monogatari.co.jp/
Sources identifying the operating company
Each response applies only to its stated service scope. “Not listed” does not mean unpatched or unaffected.
Response status by service
Yakiniku King official app
- Response status
- Not listed
- Response information checked
- 2026-10-29
Current re-audit: Related incident verified; PHP connection not stated · Research date: 2026-10-29
Disclosed 10,788,963 leaked records containing member numbers and contact details; passwords were reported unaffected. The October 20 data-minimization plan is scheduled for the first half of 2027.
Scope: A PHP connection and response to the current PHP vulnerabilities are not listed. The incident and operational notices below do not establish PHP causation or remediation.
What users should do
Beware of impersonation. The notice says the app remains usable with protective measures. Do not extend this finding to other brands’ apps.
Official service URL
Source URLs
- Yakiniku King app disclosure, October 5https://www.monogatari.co.jp/news/261005_news/Service and operation documentation
- Prevention update, October 20https://www.monogatari.co.jp/news/261020_news/Service and operation documentation
Related official sources
- Company profileOfficial information directoryOfficial evidence identifying the operating company.
- Yakiniku King app disclosure, October 5Official notice; link to this PHP incident unconfirmedChecked for service scope and user guidance; not evidence of PHP remediation.
- Prevention update, October 20Official notice; link to this PHP incident unconfirmedChecked for service scope and user guidance; not evidence of PHP remediation.
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