Rainbow Jisook, Sexy Self-Camera Revealing Her Cleavage

Girl group Rainbow's member Jisook revealed a sexy picture.

On August 5, Jisook posted on her Twitter, "Happy filming time" along with a picture.

In the picture, Jisook was revealing one shoulder and was smiling at the camera. Her breast line was shown a little bit through her low-cut shirt.

Internet users who saw this commented, "So sexy," "So pretty," etc.