After School's Jooyeon revealed that she will be making a cameo appearance.

Recently, Jooyeon posted on her Twitter, "I'm coming out to the drama 'Respond 1997' soon, so please stay tuned. I am doctor Lee Jooyeon" along with a picture.

In the picture, Joo Yeon is wearing a white doctor gown, smiling at the camera. Jooyeon is pointing at her name tag.

Internet users who saw this commented, "She came out all of a sudden so I was surprised," "She was so bold," and "You look good in a doctor gown."

Jooyeon came out as a doctor on tvN "Respond 1997" recently.

Photo Credit: Jooyeon Twitter