My married sister was giving me a hard time, I took advantage!!!

My married sister was giving me a hard time, I took advantage!!! Count of Mayara Birth F My name is Marcos, 36 years old, married and father of two children. At the time I had my 18 masters and had just given entrance examinations in several universities, had passed three, one of them in a town inside Minas thirty kilometers from where lived my older sister, who when she found out was happy with my achievement and told me that if I chose this, could stay living at her house, which her husband had already approved well. Not having to stay looking for a place and still not paying rent was perfect, that offer of my sister came in handy since I would have to worry about other expenses such as books and driving Before the school year started I moved into my sister's house to know better the city and university where I would study in the neighboring town there are some thirty kilometers away, because I didn't want to be behind my sister and her husband who both were already working It was very difficult to get my first job because I didn't have any experience, but in the end I got some money. At home I always took my shower after my sister and her husband came out of the bathroom, since they both bathed together. And many times I would go to the door to listen and sometimes heard them fucking each other, trying to make as little noise as possible but I could hear him telling her to suck his cock and she asking him for a blowjob while he was fuckin' with her. He said what an adorable pussy you have... Until then I had never felt a desire for my sister and after their bath, I would go into the toilet to take mine and went straight in the basket looking for her panties that were sometimes wet and drool. Ah what delicious smell she had with this little mouthpiece of hers And in those few days that I was at their house, my sister continued to wear her clothes very comfortably as if I wasn't there: leotard blouses, wide-legged shorts and other tight clothing which left the buttocks completely exposed. My brother-in-law never cared about her being like that in my presence and I pretended not to call, but my dick didn't have this discernment and I had to be always careful to hide it and don't let my brother-In-Law realize that I was feeling a crush on my own sister and his wife. The school year started and I tried studying at night so as to continue trying for a job vacancy, during which time also my son-in law had to change shifts spending the nights working back alone the next morning and I was the company of my sister after she came from university. She'd watch movies until I got there, we would talk a little bit and then go to bed. To go to my room I would pass in front of her bedroom which at first was closed, days later a small window on the door and lighted up where I could see his naked body lying on the bed, weeks after half-open doors, lights lit and she is nude in the bed there's no way for me not to stop admiring that beautiful female body by the grace of my eyes. King in her room, it was just after midnight and I leaned down next to the bed smoothed her ass and gave a kiss on her buttocks what did she get all twitchy, opened up a little bit of his butt and smelled its beautiful and delicious arse then stuck my tongue into him licking and trying to penetrate with your tongue passing the tongue through the bucket and she gave a slight leg opening so that's how i climbed onto the bed and whispered in her ear who still pretended to be asleep: The delicious smell of that little kiss, and I'm only in the handkerchief thinking about you. But my real desire was to fuck this asshole... That's when she whispered: I have been leaving the door open and the light on for days, why did you take so long??? Don't waste any more time, fuck me, eat me, I want to be yours. No, there's more! Mayara Born F.