On the September 8th episode of 'Song Eun Yi and Kim Sook's Unni's Radio', both DJs expressed, "It's your first time on 'Unni's Radio', Jo Hyun Ah. The last time Sunmi featured as a guest, she said you and Jo Hyun Ah are best friends."
The Urban Zakapa member expressed, "Sunmi's a homebody, but when she leaves the house, we meet up." As for how the group name came about, Jo Hyun Ah said, "We put a bunch of different word together, and we made a name that would make us come up in search terms."
In related news, Sunmi recently made a comeback with "Siren". Did you know Jo Hyun Ah and Sunmi were good friends?