Slavery: A series of erotic games (book 04)
Master asked, getting his own burger and handing Bill his.
"Regina could not possibly be a slave's name," Bill said. "It stands for queen in Latin. Slaves can't be named queen. It's an oxymoron. We were thinking of appropriate names for a slave and Pet was mentioned, which did sound good. Lisa said Mistress Dark named one of her slaves, Slut. A good name, but sounded confusing, sharing the same name, so Shasta suggested Whore. It stuck, so Whore she is."