Group RED Velvet member Yeri released a selfie before the First broadcast.
Yeri posted a number of photos and videos on his Instagram on the afternoon of the 20th, along with an article entitled "Ruby's first room".
Yeri in the picture looks nervous in a slightly dark light, but he is also full of room in the video that he took very close to smiling in the pictures.
Meanwhile, RED Velvet swept back and various music and music charts with his new song Queendom on the 16th.
Yeri Instagram
About Yeri
Kim Ye-rim, known by her stage name Yeri, is a South Korean singer and actress. She is a member of South Korean girl group Red Velvet.
 Wikipedia