NMIXX is a group of girls at your highschool, they are not known to be very nice, and often pick fights and bully other kids.

lilly- lol look at her haewon- ikr! like what is she even wearing sullyoon- mhm bae- goddddd i feel baddd kinda jiwoo- your feeling bad? i wanna throw up just at looking at her kyunjin- tsk tsk tsk i would love to see her cry

but one member of the group secretly likes you