Butch Bitches - Foursome and Lover From Hell

Book IV in the Butch Bitches series.
It introduces Pat Bates, a diminutive highly successful realtor and owner of the Velvet Pussycat, a Las Vegas hotel and casino that caters exclusively to the gay community clientele.
Pat joins Roxy, Melody, and Patricia on a long vacation trip to a huge motorcycle rally in Sturgis, Montana, which they begin at the Velvet Pussycat, where the constantly make love with one another and as a fouresome, which they continue doing throughout their vacation.
While on the trip, Felicia, who is a hermaphrodite, falls utterly in love with Melody who feels the same way about her and they decide to get married.
Roxy finally discovers the truth about her origins when she meets Terry, an escapee from Hell where he had served as a boy-toy to the top female demons for a very long time.