"Is this it, doctor" Pei Joo-hyeon surveyed the approaching Ji Kyeong-won with an appreciative gaze, though her tone was confident despite the question.,After the BLUE stage ended, before the instruments were taken down, all the artists, led by MCs Jiyoung and Seulgi, returned to the stage. It was a coincidence that Red Velvet happened to stand behind Seulgi, while EXO stood behind Jiyoung, filling the first row with both groups directly.,With a smile that couldn't help but be mischievous, and both covered in snowflakes, the two leaned towards each other, coming together to form a heart shape with their hands. They shouted out the last line in unison:。