Sister Surprise (Taboo Story)

When my future brother-in-law's fiancé calls me up just before her wedding for a roll in the hay, I just can't say no. I waited in my dark room, lying naked under the covers.

She comes in, breathing heavy and smelling of a fine feminine perfume. As we begin I realize this woman isn't who I thought she was, but it's too late to stop. Why worry, though? After all, we're both feeling good and she's a tiger in the sack.

But who exactly is this mystery lover? And why will her true identity rock my world? There's only one way to find out...