I know its bad but me and my step dad have an unspoken
Secret between us. We both will admit it to each other or anyone else. I know he knows I know and I know he knows, but we dare to tell each other.

I leave my panties in the bathroom and her enjoys them. He jacks off using my panties. He smells them and and licks them. I make sure he has my best panties and I rub my pussy with them. I masturbate and leave them for him. Then I find them nice and neat in the top of the laundry hamper. I smile and sometimes I go to my room and masturbate thinking about it.

It is what they call a "win win" we both get off and no one ever has to know. We both pretend we don't do things like that.