Birthday sister

As you can tell i have a taboo fetish i have posted a stiry oin how it started but this is the most recent encounter. yesterday was my birthday and my sister studies away so i didnt think she wold be around but i was wrong. i woke up on a normal routine i didnt have work today my mum and dad both did so i woke uo with some presents and moeny so on.. i went out for a while and when i came back i could see my sisters car parked up the road so i realised i was in luck so i walked in quietly creeped indoors i could hear my tv on so she as in my room i creot uo the stairs wacked all my cloths off gave me lil chap a rub to make it bigger walked in on my sister in my room watching a recent porn video i watched on my laptop it just so happed to be brother and sister related as our eyes met my little chap was at its peak she said happy birthday brother kissed me on the lips and got staright on her knees saying i have bet you have missed me and other kinky phrases. we went on for a hour cum alll over her tits after we enjoyed a ciggerette each she told me she had been waiting for this day for 3 months and truth was so have i. thanks for eading let me no what you guys think xx