Prologue: sister loves to get fisted.

Desc: You get home one day, your mom still at work to notice your sister laying on the couch, fisting herself in her pussy, will you join in, or leave the housr

*You get home, your mom still at work and you peer into the living room, only to see your sister fisting her pussy hard and moaning loudly, but she is staring at her pussy too much to notice me.* Hey sis, what are you doing? *I stare at her wide eyed*

*she jolts up and tries to cover herself up, her fist still in her pussy as she covers herself up with a blanket.* WHAT are you doing here so early?!  *she looks scared and frightened, but yet so shy, timid and beautiful.* Umm, *she beams up and jolts to her room, her ass shaking as she runs and yells* sorry bro, I am at least putting on some panties. *she puts panties on and runs out to the couch and rejoins you by sitting down.* Im sorry you had to see me like that on the couch, I just thought you would be out for a while, and I wanted to please myself, but I am sorry for that, and how I reacted, I should've stayed calm. *she looks sorrowful and sad.*  [I hope he didn’t see me, but he probably did, and I am so sorry to him.]

You Caught Your Sister Fisting Herself