The official store for "MASS FOR THE DEAD" on AppPay opened on June 30, 2026 (Tue) at 11:00. The official store will feature exclusive items only available through AppPay, as well as items that can be purchased at a better value than in-game. Special items are also planned to commemorate the store's opening. Please see the product information below for details. ■How to Access the Official Store AppPay Official Store URL: https://app-pay.jp/app/overlord-game Alternatively, you can access it from the official store banner on the "MASS FOR THE DEAD" official website. ・For New Member Registration 1. After selecting your item, enter the required information under "New Member Registration." 2. You will receive a registration guide email at the email address you provided. 3. On the screen accessed via the link in the email, please register your "Player ID" and "Payment Method." 4. Proceed with confirmation and tap "Confirm Order" to display the purchase completion screen and finalize your purchase. ・To Purchase as a Guest 1. After selecting your item, enter the required information under "Purchase as Guest." 2. On the subsequent screen, please enter your "Player ID" and "Payment Method." 3. Proceed with confirmation and tap "Confirm Order" to display the procedure completion screen and finalize your purchase. ※Registration steps can be confirmed with images in a post on X (formerly Twitter). ■About Purchases ・Purchased items will be reflected in the game after payment is complete and you log in. ※If you are logged into the game, you will need to restart the game for purchased items to be reflected. ※The timing of reflection may be delayed depending on network conditions. ■About Player ID ・Your Player ID is a 9-digit number displayed in the upper left corner of the screen when the app starts. ・You can copy your Player ID by pressing the "Copy" button under "Player Information" > "Player ID" in the bottom menu of the My Page within the app. ■About Age Verification ・When maki