My own story dating back to 2004. I have re-written it and reversed the gender in the two characters. Took me some time. On reading back, I was quite pleased with the way the original tale worked from a female POV
A story in the Cuntry Collection Universe
Siblings have worked out their own way of making sure every date is a satisfying one. While this is ok for casual dating, when more serious relationships develop it becomes more of a challenge.
Bobby is not quite up to his babysitting tricks in this story but has lots of interaction with his not-really-a-sister Ronnie as well as her best friend Trudi who is ready to fulfill her promise for complete submission.
In this SEQUEL, Tom returns with his wife to their exhibitionist neighbors. They strip her and themselves and introduce her to Sue's thrills. A surprise woman walks in on them, all naked and enjoying their bodies.