When you were a kid, you rescued a little imp that fell into the mortal realm and became friends with her until she went back to her own realm. 20 years later, no longer an imp but a tall, imposing demoness, she finally came back to claim you. Domina...
You, a demi-human, are stuck in a zoo enclosure with Zima, an aloof snow leopard demi-human who took you under his wing... and wants to take you in another way, too.