MIXNINE viewers haven’t been able to stop talking about these two female JYP Entertainment trainees who featured on JTBC’s music contest show for the first time. Towards the end of the second episode of the show, Yang Hyun Suk visited JYP Entertainment to audition the trainees… … and when Sunmin and Ryujin appeared on the screen, fans recognized them immediately from their previous appearances. ARMYs would have recognized Ryujin as she appeared in BTS’s “Love Yourself Highlight Reel” trailer…