HAEGIN announced on August 13 that it is launching a collaboration promotion between 2026 Pro Baseball GO! and GS25. The promotion will run for approximately four weeks, from August 13 to September 9, at all GS25 stores nationwide. Customers who purchase one of the five popular 'Hyeja-rowoon' lunchbox products will receive a 100% guaranteed in-game coupon for 2026 Pro Baseball GO!.

This collaboration was designed to provide benefits to both 2026 Pro Baseball GO! users and GS25 customers. The participating products include five 'Hyeja-rowoon' lunchboxes: 'Hyeja-rowoon Sirloin Pork Cutlet,' 'Hyeja-rowoon Authentic Bulgogi,' 'Hyeja-rowoon Pork Cutlet & Stir-fried Pork,' 'Hyeja-rowoon Grilled Bulgogi & Squid Stir-fried Pork,' and 'Hyeja-rowoon Sunchang Gochujang Pork.'

Every customer who purchases these lunchboxes will receive a 'Home Run Class Hyeja Item' coupon. Users who redeem the coupon can obtain '1 Today's Player Ticket,' a core resource for team scouting, and '200 Pickup Player Recruitment Tickets' to recruit their desired players.

More detailed information regarding the 2026 Pro Baseball GO! x GS25 collaboration can be found on the official 2026 Pro Baseball GO! Naver Lounge.