Throw away your stereotypical opinion of every twin looking exactly the same!
Publicly acknowledged as having the best beauty, girl group center Kwon Sia (Nahyun)
Compared to her, having opposite looks and personality is older fratenal twin sister, Siyeon (Hong Yunhwa)
The extraordinary change that happened to them!
The adapting period of them in a completely different body(?) !

Do not re-upload.

@babyybluebear x @beatrooot