So here I am my last summer before I go off to college and I am already getting the best education I could imagine. My sexy neighbor is teaching me ab...ut all kinds of fun and kinky things to do. On top of all that I was thinking up all kinds of situations for us to utilize my invisibility to our advantage. My neighbor took me to places I had never thought of. Sure I could go to the mall and see girls in their underwear and bras trying on different outfits in dressing rooms or when they think. She did not move at all. The street light from outside shone a small bit of light through the window, but not much. I continued to touch my Mom’s ass and let my fingers go between her thighs. I felt the bump of her ass hole then some of her pubic hair. My Mom moaned and said “Oh Bill, Mmmm”I froze, not sure what to do. But my fingers were there, right there. So I pushed and wiggled a bit and her lips opened and I got a third of one finger in my Mom’s pussy. Her legs involuntarily opened and I. She strapped it to her belly so deftly that I"m certain she had donned it many times before. As she pushed her mother"s knees apart and mounted her, she said, "You"re going to love my big, hard cock in your pussy, Mommy." Joan squealed as her daughter"s thick cock spread her vagina wider than it had been since *****birth. The notion of a young woman, barely of legal age, fucking her beautiful mother with an artificial cock is so indecent that describing it makes me blush. Mother and daughter. I guess she didn't want to leave me alone, so she stepped out of the pool. Naturally, the boxers were attempting to fall off, and the T-shirt was now all but transparent. I remained poker-faced, but was admiring the view.Jenn joined me in the hot tub, sitting next to me - which was nice. I looked at her, and took a chance. "Jenn, I hope this doesn't embarrass you, but when you stepped out of the pool, I was blessed with quite a view!" "What do you mean?" she asked. "Well, the T-shirt was kind.