Singer Byul proved herself to be a good girl.

Today, Byul posted on her Twitter, "I used to be a good, smart girl when I was young" along with a picture.

She continued, "My mom sent me this picture because they found it while organizing the house."

In the picture, various awards and certificates Byul received during her school days is shown. There are more than 40 awards laid out on the floor, revealing the good childhood Byul had.

Internet users who saw this commented, "Byul proved to be good" and "I wonder what those awards say."

Photo Credit: Byul Twitter