Two Pet's and a Mistress

This story takes place in a post apocalyptic time frame, the world has reverted back to a blend of medieval, and 19th century Victorian England. BDSM has created a backbone for this type of social hierarchy.
Two adorable trans pets must start over in an unknown big city. There, they will come across what seems to be a wonderful mistress for them. But, will she be able to gain their trust and claim them as her own?