Costin
The two were traversing the putrid corridors for some time. Probably because she was bored, or maybe just out of a whim, the dog began to lecture the woman, teaching her extensively of the different hiding spots, nooks and crannies the sewers had to offer. It was an acquired taste as she put it, but they had their charm.
They got to see some fish, crocodiles, fish people, and even the elusive crab folk. Then they got to visit the swarms and nests of insects, though Cossie promised she'd show her one from up close if they found a larger one.
"As you can see, lots of critters live around these parts, and some even grouped up and built structures. Those who usually can't stand the surface sunlight dwell here, while other nastier folks hide until they can find new prey. But honestly, there's a pretty clear cut hierarchy around these parts. As long as you keep to yourself 'round here, you should be fine!"
She took a deep breath and wagged her tail. Her soft fur and her skin complemented pretty well! This was one hell of a comfortable human to sit on. "You got all that? This'll be on the test, so you better have paid attention. I'm not one for repeating myself, but any questions?"