Yewon and Jaejoong showed their friendship in recent photos.

On August 9th, Yewon updated her Instagram,"It was awesome!!!!! in 3 years #JYJ Thank you for inviting me to the concert. The weather and the atmosphere were the best best!!!!!! The world star!!!!!! Envyyyy #yewon #jj #concert #worldstar #good" and uploaded a long 2 new photos of her and Jaejoong were looking directly at the camera while showing their lovely appearances.

Meanwhile, JYJ successfully finished their concert in Seoul on the 9th with the attendance of 30,000 fans. "Back Seat" was also nominated for no.1 position on August 10th's 'Inkigayo' even having no promotion.