JYP Entertainment‘s fourth-generation girl group, NMIXX, particularly its member Sullyoon, took over Korean online communities after the group performed at a university festival. NMIXX | @nmixx_official/Instagram On May 16, KST, NMIXX attended the Sungkyunkwan University student festival. The group delivered impressive live performances of their popular hits like “Dice,” “Love Me Like This,” and “Run For…