red velvet "psycho" but they sing earlier

-credits
vocals only credit: dj k-pop
instrumental credit: iceprincek-pop
-dialogue
how i wrote my title is inspired by wuju! the idea i got this from said that they saw this trend from tiktok, so i'm not sure who to give credits to since i don't know who started this in the first place. if you know who started it, please tell me!