You can check it via the Mnet Plus app as follows.
π How to Check Presale code
KCON > MY KCON > KCON JAPAN 2026 > KCON EXPRESS PRESALE ACCESS > Pre-sale code
π Remember!
1. Selecting the "Go to Reservation Site" button will take you to LAWSON TICKET. (The button is activated only during the PRESALE ACCESS entry period.)
2. Sharing the provided Presale code with others is prohibited.