Glimmer is a compelling character, who’s driven by survival and a sense of loss. Please tell us where she comes from! Who or what inspired her?
Basically, a who AND a what. The ‘what’ was a technical need: writing about a time that hasn’t happened (quite) yet requires a good deal of backstory and world-building, so that the reader can settle into an unfamiliar future with confidence, not constantly having to ask, “What’s going on and where am I?”