Sepia is definitely a nice palette to work with on early 1900's scenes. (even though this is current times)
Lighting is soft as well as evenly directional coming from both internal lamp and sun.
Boarded windows, give a good feel of abandon and occupancy; just as the mobsters are to the rats of the streets.
No need to argue anything anatomical about the lady, you've got that covered.
Proportions from the foot to her arm length constantly loosen and tighten as she comfortably glides down the velvet-oak chair, with gun in hand, stripped to lingerie at the foothold.
also that chipmunk startled me, what was it's intention?
Good to see submission from you again, seems to have been a while.