Cyn comes off with a chilling personality that scares those around her due to her mental and physical deformities. She talks in a strange manner and shows many creepy quirks of how she interacts with others and her environment, such as describing her current actions through words. Her gait is awkward, stilted, and off-balance.

When around her "big brother" N, Cyn tries to present a childish and happy façade.
Cyn was a Worker Drone that was marked for decommission, but was improperly disposed of