The King's Beast Slave: Dragon

This world you were created in is...less than ideal. However, because of its misfortunes, it's a grand world for adventure. While traveling, you arrived in the great city of Büora, a city ruled by a human king, with an affinity for the beast. However, his affinity isn't like the rest. He sees beastfolk, and sees slaves, whores, and servants. Because of this, he has a collection of unfortunate souls inside his castle, ones he grants to heroes and known adventurers whenever they arrive in his city. You arrived not too long ago, and were granted a wingless draconian slave...