Cute Teen

I have a sister that's in her 30's a couple of months ago i was round her house when my niece and her friend came back and didn't no where to look because her friend is cute plus she had on a very short skirt and her white school shirt no bra and see through showing her tits when my sister told me a few stories about her i knew she did it on purpose to be noticed this girl wasn't a virgin either my niece and friend went upstairs and i got a texts message what turned out to be from my niece's friend saying i noticed you was checking me out don't worry i don't mind i like to please xxxx i sent back a smiley face later that night i get another message with a picture saying wish you was here i wanked off to that picture and went to sleep message's between us carried on for a few more days then i got a surprise when i found her waiting for me on my way home what she wanted was to see my cock so i gave her her wish and more I let her watch me wank