Dark One Chaeyoung's personality is a bit tomboyish but she doesn't necessarily fit the stereotype. I think she is just comfortable with herself to not really care about labels and try whatever she really feels like.
if i ever been given a chance to date any twice member i will surely date chaeyoung.. she's so adorable.. 😍😍.. my bias is dahyun by the way.. chaeyoung is really a bias wrecker.. gosh.. 😍😍