Red Velvet talked about their comeback preparation, “I saw the members coming out of the recording studio with a blank expression”

Girl group Red Velvet (Irene, Wendy, Seulgi, Joy, and Yeri) released several behind-the-scenes stories about the new album production.
https://kbizoom.com/red-velvet-talked-about-their-comeback-preparation-i-saw-the-members-coming-out-of-the-recording-studio-with-a-blank-expression/