I saw my dad fucking my busty sister-in-law

I saw my father secretly fucking my busty sister-in-law and I had a good time watching that slutty thing. Not for my father, but for my sister-in-law, a delicious whore with big breasts who always turned me on. The thing is, she’s married to my older brother, and because of that I never had the heart to try to have anything with that bitch. But I was surprised with my father, he did manage to get this busty naughty thing right.

Her name is Lilly, she is 30 years old, the same age as my brother. They live here with us because they are building their house and will be moving soon. They are staying here for a while, exactly 7 months until the new house is ready. And so they don’t have to pay rent for another house or even stay in a hotel, my father asked them to stay here. They accepted and I was very happy about it, so I would try to see her naked in the bathroom or in her room.

My sister-in-law is a beautiful blonde with very large perfect breasts. Her ass is also huge and very beautiful, me and all the men in our city have always wanted to be with this naughty girl. I thought she loved my brother and only had eyes for him. But I ended up being surprised. It was a Tuesday, my brother had gone to work, I had gone to school, my father works at home, he has an office and does his work there. And Lilly didn’t go to work that day because she said she had a cold.

Then that same day I didn’t have the last class, my teacher had an unforeseen event and he couldn’t go, as there was no one to replace him, so we were dismissed early. And that wasn’t in the plans of my father and his naughty daughter-in-law, so I got home already with that intention. I wanted to try to see my sister-in-law taking a shower. So I went in very slowly and hidden, because I didn’t want her to notice that I was at home. So I had this surprise, looking out the window as I was walking around the house I saw my father and my sister-in-law in the living room.

I was very surprised when I saw my father was sitting all relaxed and my sister-in-law all naked biting his penis. I was crazy horny and amazed, what my dad did to get this. After sucking his penis a lot, Lilly got up and I saw her beautiful breasts and her beautiful ass, then she sat on my father’s penis and was wiggling hot. My dad slapping her ass and she sitting down and saying that he was much better than my brother. I got very excited and started masturbating, I stayed hidden watching everything.

After sitting intensely on my father’s dick, my naughty sister-in-law got on all fours. At that moment I freaked out, seeing her on all fours with that huge ass perched. That beautiful ass was wonderful, and I was masturbating watching my father fuck the naughty girl in the living room. After she was on all fours taking a penis beating, she was lying on her side and received more cock in her pussy. And so my father came in her pussy leaving everything dirty. I came too and left the house and walked around until it was time to go back. Quite a crazy experience, isn’t it?