Kind of like slave or cum dumpster. Sole male/female is must whereas incest is preferred but not compulsory
Kind of like slave or cum dumpster. Sole male/female is must whereas incest is preferred but not compulsory
The one that I can think of immediately is Lubrican's Making of a Gigolo series, where the sole brother couples with most if not all his sisters, and mother, aswell as a few others (unless CRS is messing with my memory)