Yes, I'm a pervert too!

Okay, so I know this is perverted but I'm in the process of writing a fantasy involving my 20 year old step daughter. The story is about her catching me wearing her panties and masturbating in them while I'm smelling a dirty pair of her panties. And yes, it shouldn't be a surprise that I have done both on more then one occasion! I don't know what got me started having sexual fantasies about my step daughter? I've never had them before but lately I have them often. She does have a very nice big sexy butt that I've always liked to look at and it certainly didn't help matters when I got a hold of a picture a few weeks ago of her "baring" it! It was a group "moon" shot taken at a party. My step daughter is looking back over her shoulder at the camera with her dress hiked up and her panties pulled down. It's really hot! I put it on my computer and cropped everyone else out of the picture. Now she looks even hotter!

A few days ago I did something that a short time ago I never thought I would do. I had just finished writing one of the chapters to my fantasy and was reading it back. By the time I finished reading I was so aroused that I had an incredibly hard boner in my shorts and I couldn't resist my desire to view my step daughter's butt picture. As soon as I brought it up on the screen I began to massage my erection and I knew then that I didn't want to stop. I took off my shorts and panties then sat naked in front of the computer stroking my cock. Within seconds I pushed the chair back a little then leaned back so that my step daughter's face in the picture could "see" the boner she'd given me. Looking at her face in the picture made it easy to imagine she was exposing her butt to me and watching me masturbate. The excitement was too much and I shot a big load of cum on my belly. I felt guilty afterwards for being such a pervert but now I'm horny and I'm about to do it again! Yes, I'm not only a sissy, I am a pervert too! And I'm definitely ready to masturbate!