Lee Sang-yoon's serious Friend was Jang Na-ra.
In the sbs entertainment program All The Butlers' broadcasted on the night of the 22nd, members Friends appeared as masters and featured a 'Friendship trip' with members.
Each member introduced the Friends they brought in. Yang Se-hyeong said his Friend was a master of feats, and Lee Seung-gi introduced him as a tongue-like.
Lee Sang-yoon introduced his Friend and said, "This Friend is more serious than me." Lee Seung-gi laughed, saying, "Two positions are hard."
Lee Sang-yoon said, "This Friend praised me for being good at entertainment when I saw myself performing entertainment." Lee Sang-yoon's Friend was Jang Na-ra, and when she saw her, the members welcomed her nervousness.