ryujin brother

5. download knowing brother ep 86 Yuna And finally, Yuna is the third member of ITZY that has an older sister! Like Ryujin’s older brother, however, not much is known about her, though during an interview one time, Yuna said that her sister is a big fan of BTOB, and it was actually when she was tagging along with her sibling to the KBS Gayo Daejun 2015 that she got spotted by a JYP Entertainment representative!