quick summary: dahyun is a nerd who has a big crush on sana but sana's cold and mysterious and doesn't want to talk to dahyun. why???? jihyo seems to know more than she lets on and momo has been acting real weird lately. because of their past connection to sana, do they know why sana acts the way she does? is she not what she says she is? featuring nayeon and her gf jeongyeon being cute and all, tzuyu and chaeyoung being cool classmates and quiet mina.