i don’t follow twice at all aside from watch…

i don’t follow twice at all aside from watching their music videos/comeback stages, so maybe she’s completely different normally, but what’s the deal with mina being so stale? she looks like a robot with a fake smile plastered on her face. it seems so unnatural and it really bothers me. she looks completely lifeless. is this intentional and her image or is this just her lack of a personality?