She created her account on August 2, and she announced her entrance into the platform with a cute selca and the caption, "Should I do this? Hehe."�

The After School member linked the account to her Twitter, and she's been uploading lots of pictures not just of herself but of the other members as well.

SEE ALSO: Has the actor Byun Woo Seok always been this brazen?

You can follow Jooyeon here!

Tip: Imjungah