Singer Byul revealed a loving relationship with her mother-in-law Kim Ok Jung.

Today, Byul told Ok Jung through Twitter, "Mom ♡ Today's really cold! Dress warm and be careful not to get sick! And have a delicious lunch ^^"

At this, Ok Jung replied, saying "Lovely and my proud daughter Byul~ ^^ Thank you~ You stay healthy too and dress warm. You must have had a hard time filming for music video. Be assured that the CD full of your efforts will shine like the light."

These messages automatically brought smiles to the fans' faces.