Naeun appeared on SBS radio'Bae Sungjae's Ten' last May.
MC/radio host suggested that both Naeun and other guest are from same region/city.
But then Naeun started to make some strange jokes like "is it even the same city, where is it?"
Basically something like suggesting that guy is from some village part when people are riding on cows.
google translator ain't helping too much with full story, but here you have link: