On September 20, former SISTAR member Hyorin appeared as a guest on 'Song Eun Yi, Kim Sook's Unnies' Radio'! 

Hyorin updated listeners on what she's been up to lately as well as delving into serious talk about her music career. She said about choosing to go solo, "It wasn't an easy decision. I had to think about a lot. There were people who encouraged me, but there were more who worried for me." 

She then revealed, "I'm suffering from dance withdrawal symptoms lately. It happens at random times. I even started dancing suddenly while I was eating. Now because it's been so long, I probably forgot everything." 

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Further on, Hyorin shared that she has a ton of song compositions in storage, and that Cultwo and Soyu both asked her to give them a song if Hyorin thought any of her compositions fit their image.