Super Junior's Heechul and AOA's Seolhyun take you behind the scenes for 'G-Market'!

Super Junior's Heechul and AOA's Seolhyun have revealed behind-the-scenes stills of their 'G-Market' advertisement!

In the pictures, Heechul and Seolhyun can be seen with bright smiles and serious, concentrating faces while monitoring their progress. Aside from their friendship, both stars portray the concept of brotherly and sisterly love. 

Check out their sibling bond below!