Seohyun is now on Instagram. Sunny and Sooyoung already followed the account, should be legit. Check it out @seojuhyun_s .
Tadaaaaaa!!! It’s me~seo hyun!:D It’s starting to get cold out, stay warm♡
날이 추워지고있으니 옷 따듯하게 입고다니기~^^
Update: Seohyun also mentioned the IG on her verified Twitter, definitely real.