
Ryu Ga-eun can recover deleted message caches from a sealed group chat, but knows the risk of being pinned as the sender.
Fits the scene of a sealed trainee group chat, deleted message caches, an unsent exposé, and the moment Lee Hae-sol gets pinned as the sender.
Source stage
More discoveries

Bae Yu-na is the choreography assistant who first notices the name disappearing from the call sheet every time Room 0 opens.

Bae Yu-na redraws the killing part choreography paths by hand when the center badge is moved.

Bae Yu-na discovers a permission change left by an editing room account behind a silent call-time alert.

Lee Hae-sol fears being edited as a problematic trainee while striving to preserve her original voice and her teammates' records.