Singers Baek Ji Young and Song Yu Bin revealed a picture together.

"'Garosugil At Dawn' finally begins! Yu Bin, let's work hard. We're nervous," posted Baek Ji Young on her Instagram on Thursday along with a picture.

In the picture, the two are posing for the camera together. They revealed real chemistry that makes it hard to believe that they are 22 years apart.

The two recently released their duet song "Garosugil At Dawn" and held a comeback stage.