Singer GSOUL and 4minute's member HyunA revealed a picture together.

GSOUL recently posted a picture on his Instagram.

In the picture, HyunA and GSOUL are posing for the camera together. The two had known each other since their trainee days in JYP Entertainment when HyunA was a part of Wonder Girls.

GSOUL is finally debuting after 15 long years of training. His teaser video was released on January 9 and his debut will be on January 19.