I had sex with my sister by mistake

I start by saying that we are a fairly large and economically stable family, with a fairly large house that has 6 rooms and 3 bathrooms. I have to start by saying that all of this happened a week ago, on the day there was a party at my parents' house.

The party was going on normally and in the afternoon, around 7 pm, my girlfriend arrived at the party after work. We started having a good time and taking some drinks but around 8:30 she says:

I want to have sex in one of the bathrooms.

I say:

It seems perfect to me.

I'm going to go into the basement bathroom because it's a bit darker.

Later is too late. Wait a few minutes while I go, then you can follow me, I'll be in the right-hand bathroom.

I went down after 15 minutes and went straight to the right-hand bathroom when I noticed that the light was off and the door had the lock on so I knocked twice quickly and opened the door. When I entered, all I saw was her silhouette, I approached her from behind since she was looking in the mirror and started kissing her neck and noticed that she was putting up some resistance but I knew that she likes to make some kind of drama when we're starting out, she likes to feel pressured in a certain way.

After several kisses, she began to give in and at that exact moment, I started taking off her pants and underwear and then put my hand between her buttocks and noticed that she was totally excited, I heard her moaning with pleasure and decided not to waste any more time so I took out my penis, put her hand on it for her to feel how excited I am. At the moment when she felt my erect penis, she started caressing it and bringing it closer to her vagina, once she leaned in, I penetrated her by placing my penis smoothly into her vagina. At the moment when I was penetrating her, I felt that she was quite tight but far from alarming me, I got excited and thought it was the position.

I started pumping frantically and the I hear her moaning without stopping, as I grab her by the hips and start giving her spanks, and she gets so excited that she puts her hand on me and starts stroking my hair. Various minutes passed when I felt like she was about to come, and I got so excited that I felt myself coming, and in that precise moment, I raised my hands to squeeze and caress her breasts, and that's when everything changed and my mind went blank, my breathing stopped, and I couldn't react, at that precise moment, I noticed that the woman I was having sex with wasn't my girlfriend because when I grabbed her breasts, I realized they were noticeably larger and rounder than my girlfriend's. This girl I'm penetrating has average height (5'6), similar skin tone, as in the darkness I can tell it's a medium white, she has rounded and firm buttocks like my girlfriend's but her breasts are notably different, which left me in shock. I couldn't get out of the astonishment and ended up ejaculating into this woman's vagina because when I grabbed her breasts, I was about to finish. I didn't know what to do and decided to quickly put on my pants and try to leave the bathroom to go, but at that precise moment, this woman turned around, getting down on her knees to suck my penis, and I heard her say in a very low tone, I love the taste of your penis and vagina right now, I like feeling the taste of our juices mixed although I felt the greatest pleasure of life, I put on my pants as fast as I could and ran out without seeing the woman's face who had penetrated me with such care. After going back up to the floor where the party was, I found my girlfriend and she said: Where were you? I've been looking for you at the party because when I went downstairs, I found the door locked with a key, so I went to the left-hand bathroom to see if it was open, then confirmed, tried calling you but the phone was dead, so I decided to come up and find you to say What would be the other bathroom, but I didn't find you.
-My love went to the bathroom but also noted that the door was closed and I was looking for you in the other three bathrooms but couldn't find you so I came out to the patio to see if you were outside.
-People are going to the open bathroom right now because my underwear is wet and I can't hold back the urge to feel your cock pumping until it's all in, I want you to penetrate me through the anus also.
-Let's go but make it quick because I'm a bit tired.
-If you don't put it in now, I swear I won't put it in for the rest of the year.
-I realize that I don't have any more opportunities left to go and try not to leave badly and end up losing that bum I like so much. The only problem is that I can't stop wondering who was the woman whose ass I ate in the bathroom. When we're heading downstairs, I find my sister coming up and freeze, just manage to ask her:
-Why were you on the lower floor?
-I went to the bathroom downstairs because the one upstairs was occupied and I was very rushed.
-Were you in the right-hand bathroom? (My girlfriend asks)
-Yes, why?
-No particular reason, it's just that I went but had the lock on.
-My sister becomes very nervous at this moment and asks:
-Did you wait a long time next to the door?
-No, I quickly went to the other bathroom because I was in a hurry.
-My girlfriend starts to go down but my sister notices that I'm frozen and doesn't speak and asks:
-Is everything okay?
-I couldn't articulate a word and tried to continue my way but at this moment my sister grabbed my hand and said:
-Please tell me it wasn't you?
-I didn't know what to say and tried to continue going down but before I noticed that she took her hands to her mouth in surprise.
-Then I followed my girlfriend quickly and when we arrived at the bathroom, I opened the door to surprise myself by seeing that she was completely naked with her legs open over the toilet and said:
-Begin eating this wet ass you have.

Here, eat it until I come in your mouth because I'm too excited. I have to confess that I took off my pants and was already excited, couldn't stop thinking about my sister and that had me too hot. I can only say that I penetrated my girlfriend with more intensity than before, just imagining my sister moaning and that had me at a thousand, the excitement was so great that my girlfriend would only say: -What got into you, you've never penetrated me like this before, tear my ass apart, make it hot and pull it out through my throat, damn son of a slut, split me in two, please. It was so excellent that we ended up exhausted and I asked her to suck my penis after finishing. She says: -Damn pig, do you want me to suck it and savor your cum and mine, where did you learn that, you're exciting me again. She did it and while she had it in her mouth she looked at me with a morbid gaze. I can only end up confessing that there isn't a day when I try to find myself alone with my sister to see where that encounter ends but she just avoids me, to the point where our parents asked if I'd done something to my sister for her not to want to see me.

3 comentários - I had sex with my sister by mistake

Waaaaaaaaaaoooooooooooo Simplemente espectacular muy buen Post gracias por compartir