November 11, 2026
November 13, 2026 (Partially updated and appended)
Gray Parka Service Co., Ltd.
We recently discovered that Openlogi Inc. (hereinafter "Openlogi"), the logistics service provider for the following four stores operated by our company, suffered unauthorized access by a third party to their system. As a result, personal information related to shipping destinations contained in the shipping data held by Openlogi was leaked to an external party.
・Chiikawa Market Chiikawa Lottery
・Nagano Market Nagano Lottery
・mofusand Mofumofu Market mofusand lottery
・Gray Parka Service Online Lottery Store
We deeply apologize for the great concern and inconvenience this has caused our customers and all parties involved.
1. Background
Between November 8 and 9, 2026, Openlogi's system was subjected to unauthorized access by a third party. On November 10, our lottery (Kuji) operation contractor, Akatsuki Inc., informed us that following an investigation at Openlogi, it was confirmed that some of the shipping data held by the company had been extracted externally.
For Openlogi's official announcement regarding this incident, please refer to the notice on their website: "[Important] Apology and Notice Regarding the Leak of Personal Information Due to Unauthorized Access to Our System" (November 11, 2026).
2. Leaked Customer Information
We have been informed by Openlogi that the following information, included in the data we requested them to ship between April 8 and November 8, 2026, was extracted externally.
Please note that the target period is based on the date of the shipping request from our company to Openlogi, which differs from the date of the customer's order or the date the product was shipped.
・Recipient's Name, Address, and Phone Number
・Purchased Store Name
・Quantity of items to be delivered
・Tracking Number
・Order Number (Redemption Number)
・Date and time of delivery data synchronization
・Shipping Date (if already shipped)
*Openlogi does not acquire payment information such as credit card numbers, so credit card numbers are not included in this data breach.
3. Status of Secondary Damage
As of November 11, 2026, our company has not received any reports of the leaked information being misused or any specific secondary damage arising from this incident. We have also received a report from Openlogi that no such damage has been confirmed on their end as of the same date.
4. Requests to Customers
There is a possibility that the leaked information may be misused to send suspicious emails, SMS messages, phone calls, or postal mail masquerading as our company or a delivery company.
We will never ask for your password, credit card information, or similar details via email, SMS, phone, or postal mail.
5. Contacting Affected Customers
As soon as preparations are complete, we will individually contact the affected customers sequentially at the email address entered at the time of purchase. Because emails will be sent sequentially, not having received an email at this moment does not necessarily mean you are not affected.
6. Response Status and Efforts to Prevent Recurrence
We have received reports from Openlogi that the following actions have been taken:
・External unauthorized access was blocked on November 9, and no new unauthorized access has been confirmed since then.
・Emergency maintenance was conducted, and necessary measures are being implemented while confirming system safety.
Currently, Openlogi is working with specialized external agencies to investigate the cause and determine the scope of the impact. In addition, both Openlogi and our company plan to submit the required reports to the Personal Information Protection Commission regarding this matter. Moving forward, our company will verify the results of Openlogi's investigation and recurrence prevention measures, while also reviewing our management systems for external contractors.
We sincerely apologize once again to our customers and all parties involved.
Inquiry Desks:
・Chiikawa Market Chiikawa Lottery
[Email] online-kuji.chiikawamarket.jp@shop-assistance.com
・Nagano Market Nagano Lottery
[Email] online-kuji.nagano-market.jp@shop-assistance.com
・mofusand Mofumofu Market mofusand Lottery
[Email] online-kuji.mofusand-mofumofu-market.jp@shop-assistance.com
・Gray Parka Service Online Lottery Store
[Email] online-kuji.grayparkaservice.com@shop-assistance.com
To ensure a prompt response, please include "Regarding Personal Information Leak" in the subject line of your email.
Contact for Press/Media:
[Email] gps-pr@grayparkaservice.com