K.Will is an avid supporter of SISTAR19

Singer K.Will is out to support SISTAR19, the sub-unit group that’s part of the company he’s under.On May 5th, K.Will tweeted the above photo and wrote, “SISTAR19 had their first performance today, so I visited them at M! Countdown to show support~! Took a photo~! Uploaded it on Twitter~! ‘Ma Boy’ fighting! Do as well as you did during those running races!” In the picture, the two pretty ladies