Naughty experience story of older brother and younger sister

　Winter of a year, I have a high 3, in the sister 3. I just broke out a fine to the exam study, had been going out with her. It was around that until light B with her.
　One day I fell asleep in the kotatsu after dinner, Will was late at night, parents are sleeping in their room.

　The feel of human skin on the thumb of suddenly wake up and your feet in the thin et al lights of beans electricity. And turn the kotatsu futon, in important crotch part of the sister of white underwear sleeping toward the ass that was lit in Rogue red illumination of the kotatsu in here, my big toe that bites firmly surprised to see. Involuntarily moved instinctively slowly the big toe, I had trying to Taste tracing the shape of the secret part of the sister in the big toe.
　Until then was dating that touched only for a moment her female genital I had but had finished only once received a strong rejection. Of course, I saw it not, to have sprung a desire to want to see Mushoni, considered to rub and went to my room I saw a little bit, plunged into the face to move laterally in the kotatsu ass sister It took position behind.

　And give a little pull the underwear slowly pay close attention so as not to cause a sister finger to shift laterally was allowed to penetrate into the crevices of the secret part.
　First saw the impact was first beaten strongly the back of the head would be surprised to pubic hair from a slight gap is ran.

　And is as it is illuminated in red light of ... Can not Even now forgotten kotatsu After the manner shifted to slowly next to the underwear, a little dark Birabira between them of salmon pink of the mucous membrane in front of the eyes, and you oh the mucous membranes Numenume shiny shiny liquid overflows not just of voluptuous figure immediately in front of the eye.
　I tracing the mud in the motion that has been entrusted to instinct rather than their reason-making with the fingers, move slowly, or to open the entrance to the sister, Makurimashita messing around anymore instinct only of any reason has been lost .

　Each time the younger sister of the body moves and Pikun sometimes, than happened? And the movement of the finger stops, stops the movement of the finger Every move as several sister of the body is pulsing, the repetition of a confirmation that it might not occur.
　Since the sister continued operation many times that move and flutters the body, and the fear that than get up, because it is not familiar with the body of a woman, the liquid is a large amount ejected unusual place Nechonecho from over there dripping started, fear that than something serious happened because I played around with a finger, and in three of the feeling that you want to somehow his crotch, which came to the other of patience limit, the normally sit the left hand of the finger is now while messing around against the mud of my sister was moved to the step of squeezing grab their things in the right hand.

　I came across this time also strange phenomenon.
　And the sister of the body has become a lot jumpy tremble number of times, I heard a snort that anything unspeakable Rogue strange disturbance so strong that Hahahaha sister did not notice when the had to put his head on the kotatsu.
　But that time is a large amount to put in the hands, and when but I as it is wash your hands and the body was good if you go to your room in the bathroom, taking a warm in the kotatsu trying Atatameyo a cold body, also earlier to desire of Futsufutsu, I was able to afford to once fired, born feelings of compassion to the sister, or stroked while mercy of ass, Dari now Mon lightly touching the bulge of the breast that is not a bra.

　Then I noticed was I, my sister and I had happened from the beginning.
　Sister also I feel was good.
　We enlightenment instinctively been disturbed Hahahaha and also snort as of earlier when I was stroking a while. Do not because the good feelings of snort is disturbed? When.

　Notice and Sorashima the thing now is that erection on the side of the face of the sister, but was forced to act was curious to see in this, the tip although I was hit on the lips of the face and rejected sister strongly did.
　There was still gripped in a tight and hands as if they were solidified strongly when the held take a hand. Leave was held I also was allowed to relentlessly accelerate the movement of the finger to the genital area.

　It became hard again I applied to the lid while Masaguri the chest to lie the secret of alternately cock secret part of the slimy sister to the Lying behind the sister with different instinctively orientation rubbing, intensely moving the ass when you put, it showed strong rejection.

　But I also, sexual instinct would be extremely voltage is raised, only apply to the mucous membrane that is muddy in what was erection, in other words'm intercrural sex, we continue to operate that rub over there at the entrance in Nani giving the peace of mind that .
　Hand is while massaging the chest.

　Much and doing so, sister began a new movement that begins to move to the To swaying violently up, down, left and right of the head.

　Body also had become as missing limp to the force.
　Until then rubbed what was erection back and forth so that the lid to the mucous membranes, and without doing even just a little shed at the entrance to the mouth of the mucous membranes, also rub back and forth to the lid, repeating the operation of, at the entrance against the peace of mind that only apply also to give again and again, but I was deceived, so to speak, when a gesture that only the last of the shed, place the tip in the mouth of the secret part of the sister, and with the right hand It was then inserted into the push to twist one's arm at once Nani grab the waist.

　It showed the resistance, such as twisting the ass a sudden it was not able to be already resistance in the gas has become enough to no longer hear is to say will go body. It has completely entered to the roots that we have inserted in a stretch force per the moment of chance.

　Sister is allowed to set the body while raising the low presser was cry as killed press the Gugugugugu and voice and pain, two bodies became one. I was not crowded twist completely to the root while to eject the lower body while subtracting much the waist with his right hand.

　Lower body not afford to move the moment that grabbed the chest with his right hand as it is, it is what I've been released in. Fortunately, the day was like it was safe date.
　A few months and then had decent so as not to meet in the can not each other cafeteria Toka living room that matched the face.