Bae Yu-na is the choreography assistant who first notices the name disappearing from the call sheet every time Room 0 opens.
Room 0, the erased call sheet, the rehearsal flow behind the mirror, and the scene where Kwon Ra-on wavers between her screen time and team member records fit together.
Source stage
More discoveries
Ryu Ga-eun can recover deleted message caches from a sealed group chat, but knows the risk of being pinned as the sender.
Ryu Ga-eun knows that the blue in-ear monitor doesn't tune Lee Hae-sol's pitch but instead overwrites the original vocal track.
Lee Hae-sol fears being edited as a problematic trainee while striving to preserve her original voice and her teammates' records.
Kwon Ra-on is a center candidate who wants to survive through dance, but cannot endure having teammates' names erased to gain screen time.
