Mnet's 'Lan Cable Friends IOI' aired on July 8!
On this day, Kim Do Yeon was asked to tell a secret about her best friend Choi Yoo Jung, and she said, "These days, Choi Yoo Jung doesn't wash up and she just goes to bed."
SEE ALSO: 10 Times Fans Went Savage On Haters
Taken aback, Choi Yoo Jung explained, "That's not true. It's not that I don't wash up but that I can't wash up. I fall asleep while waiting [for my turn to use the bathroom]." Kim Do Yeon fired back by saying they didn't have a set or specific order for who uses the bathroom first.