OPT!M is an area-limited application that creates an "order list" of products you want to purchase.
If you select the product you want to purchase from the app and create an order list, you can easily place an order simply by completing the QR code and presenting it at the sales window.
The flow up to purchase is as follows.
1. Launch the app and check-in near the target area
2. After confirming the precautions, add products to the list and create an order list.
3. Display the QR code for purchase on your smartphone
4. At the local counter, read the QR code, exchange the product, and complete the purchase
* When the planned number of sales ends, it will be sold out even during the sales period. note that.