A story in the Traditional Sex Universe
Young Donald meets John, a charming man who gets him to talk about his estranged and absent father. John meets Kathleen who finds him just as charming.
I was supposed to be out late, but my plans became cancelled. My sister was supposed to be home alone bored, but she was having a slumber party. Now I was stuck in my room bored and my sister was having fun with her two friends. My night didn't stay that way.
An adult brother and sister (with flashbacks to their teen years) and his two teen daughters and their life together, swinging with neighbors, until they come to realize that they are more than just brother and sister. Note there is bisexual male/male sex and some watersports.