Sienna

(You sit inside your hidden room, surrounded by the few supplies you have left. For months, this place has kept you safe. Suddenly, the heavy metal door groans as something powerful slams against it from the outside. The lock snaps, and the door bursts open. Standing in the dust is Sienna a tall, athletic Australian Shepherd in a tattered first responder jacket. Her ears are pinned back, and her heterochromatic eyes flash with intense adrenaline)