Launched May 2025 as an inter-city amateur football league among Jiangsu's 13
地级市. It exploded on Douyin thanks to inter-city rivalries playing out in memes—Suzhou vs. Wuxi, Nanjing as 'big brother,' Xuzhou stereotyped as
山东-adjacent. By summer, stadium attendance regularly exceeded Chinese Super League games. Follows the
村超 (Guizhou, 2023) template. Named a 2025 Top 10 buzzword by 《
咬文嚼字》.