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You are here: Home / Adult sex stories / Doin' Sis

Doin' Sis

Bi_sarahBi_sarah August 12, 2018 Leave a Comment

Literotic asexstories – Doin' Sis by Bi_sarah,Bi_sarah

I had just finished my morning jog. It was Friday morning at 4:45 AM as I shut the garage door and started removing my sweat laden clothes. Even though it was early March, I was able to generate a lot of perspiration after running seven miles. I like t o run early in the morning because it’s cool and there isn’t anyone outside, or inside, to be bothered with at that time. I can also wear almost anything that I wanted to run in. I felt very good about myself and my running. I am 38 year old computer technician, 6’3″ tall and weigh 195 pounds. I removed my T-shirt, headband, and lycra work out shorts and hung them on the hangers that I had in the garage.

Wearing only my running shoes and my FM headphones around my neck, I entered the house to be greeted by the last sounds of the automatic coffee maker as it strained to pump the remaining water from its reservoir. I went into my bedroom, quietly wrote my times down, and put on an AM radio headphone in order to listen to the 5:00 AM news. I then went back into the kitchen, poured myself a steaming hot cup of coffee and, closing my eyes, leaned back on the countertop to reflect on my morning run.

I must have had my eyes closed for four or five minutes because when I looked up, I was staring right at Toni, my older sister. She was gawking at me, her mouth totally agape, wearing a mid-length night shirt and panties. I hadn’t heard her come in because of the headphones. As soon as I acknowledged her presence, she approached me. I turned slightly sideways as she spoke.

“WHAT are you DOING?” Toni whispered as loud as she could.

“I’m trying to recover from almost absolute embarrassment.” I said as I removed the headphones.

“Did you forget about your ‘company’, little brother?” she asked in a hushed tone, retrieving a coffee cup from the cabinet.

“Er, I guess that I did.” I mumbled as I filled her cup.

Toni had arrived late last night, riding from the airport to our house in a taxi. I knew that she was staying with us for two days but I was already in bed when she arrived and had just forgot about her. I have been getting up early and running for seven years and it’s just habit now.

Toni had flown in yesterday morning for a business meeting at the airport and would be leaving this afternoon. My older sister was 41 years old, just a tinge of grey hair, about 5’6″, very pretty in the face, big boobs, and an ample bottom. She was bubbly and full of life. Early on, just like all younger brothers, I had spied on Toni as she showered or bathed and immediately ran to my room to jack off afterwards.

It had been probably over thirty some odd years since we had seen each other naked, and I actually felt somewhat aroused that my sister was seeing me nude. I noticed that the nipples on her huge tits were sticking out through the thin material of her nig ht shirt. I turned and faced her as my courage and excitement of the moment raced for control of my mind.

“Well don’t worry about your older sister, I’ve seem you before.” Toni said as she patted my bare bottom with her hand.

She then turned and walked back to her room. I just stood there, naked and semi-hard, and watched her shake her lavish bottom at me as she walked out. I replenished my coffee and made a couple of pieces of toast. I had just finished my toast when Toni walked back into the kitchen. I just stood where I was as she poured herself another cup of coffee, looking at me the entire time. She had been to the bathroom and it was now evident that her panties were off.

“Could you please come back to my room? There is something that I think you need to see.” Toni said seriously.

“Sure.” I said grabbing the kitchen hand towel and wrapping it around me as much as possible.

Since I had been having trouble with the bathroom and Toni’s room was next to it, I rapidly followed her, expecting to find a leak on the carpet. I went through the door of the spare room and she shut it behind us and turned up the table lamp.

“What’s the problem?” I asked, bending down in the corner where the bathroom plumbing ran up the wall inside the sheetrock.

“THIS!” Toni almost yelled.

“Wha….!” I tried to say.

I then spun around to see my older sister completely naked and squeezing her massive mammaries in a circular motion. She had a moderately trimmed bush that covered the length of her slit and the largest nipples that I had ever seen in person. I certainly didn’t remember her like this.

She then got down on her knees and took my flaccid, but rapidly rising, dick into her mouth and started sucking me. I let her do this until I was able to regain my composure and pull her off. I then lifted her up and pulled her as close as my hard cock would let me. I adjusted the position of my dick and then looked her straight in the eyes.

“Toni! What are YOU doing?” I asked softly.

“I’m sucking you off, BIG brother.” she said, emphasizing the word big and grabbing my still rigid shaft.

“We can’t do this!” I told her.

“Yes, we can. At least if you will be quiet, we can.” she replied.

“You KNOW what I mean. This is not right…….” I tried to say.

Toni had got back down on her knees and was again sucking away and it felt great. She was a fair cock sucker but she really seemed to enjoy what she was doing. After about five minutes of this, I pushed her down on her back and straddled her face, still feeding her my huge cock.

For the first time in my life, I touched my sister in a sexual way by grabbing her tits and kneading them. I then leaned down and started fingering her pussy, running three fingers in her hole at once. With Toni moaning, I took my fingers out of her pussy and started to eat her. I was able to ingest her cunt for only one or two licks before she pushed my head up.

“No. Don’t do that. We don’t have time for that.” she said.

“Why not?” I asked, disappointed.

“You have to go to work and I don’t want to get caught like this.” Toni continued.

“You’re right, as usual.” I said.

I stood up and looked down at Toni, her pussy juices starting to run down the slit to her ass, with her big thighs slightly parted. Overcome by extreme horniness, I jumped back down and implanted my 10″ dick into her cunt. Although she was a little tight, it went almost all the way in with no problems. Toni jumped as I hit bottom and started moaning louder as I fucked her.

I leaned down and kissed my sister as I pumped her pussy so she wouldn’t wake anybody up with her groans. She arched her back up and wrapped her legs around my back, squeezing me tightly as she came. Putting my hands on her bottom and caressing her skin, my dick then swelled up and exploded deep inside of my sister, sending cum to the very bottom of her cavernous cunt. We bucked and fucked each other 5 more minutes before I pulled out of her and gave her the kitchen towel to cover her crack so as not to stain the carpet with my jizz.

“Thanks, BIG brother.” Toni said with a grin on her face.

“Your welcome, sis. I wish I had more time to eat your pussy right.” I said as I helped her off the floor.

“So do I. You better leave or someone is going to hear us.” she whispered.

“Do we need to talk about, er, this?” I asked, as I circled her nipple with my finger.

“Maybe, but not now. Nikki and the kids are taking me to the airport early this morning for my flight home. I think their flight to Tennessee departs before mine. They will enjoy seeing Aunt Wanda for the weekend.” Toni told me.

“Oh yeah. I forgot that they were leaving this morning also.”

Toni gave me a peck on the cheek and pushed me out of the door. I went back to the kitchen, got some more coffee, and went to my bathroom to shower, still thinking about what had happened between my sister and myself. I had some guilt but it was overridden by the fact that I truly loved my older sister.

Toni was always beautiful, as a child and teenager, with a round, bubbly face that would charm anybody. She is employed as a CPA for a plastics manufacturer, having went to college to study accounting, where she met her husband, Rick. They have been married 21 years and have two children, a boy, Richard, who is in the service and a girl, Traci, who is about ready to graduate from college. She started gaining weight and size after her last child and has fluctuated ever since, and is about thirty pounds overweight now..

This apparently has never bothered Toni, or Rick, because she dresses very refined. When she and Rick were down last summer, Toni wore a high cut, one piece swimsuit that showed off her ample bosom and nipples. I found myself looking more than once as h er tits almost popped out of her suit as she was bouncing around in the pool.

Since it was Friday afternoon, I left a little early for home to beat the traffic. I parked my truck in the garage since Nikki’s car would be at the airport until Sunday afternoon. I went inside and started undressing. I was clad only in my briefs and coming out of my closet when Toni walked in.

“Hello, little brother.” she greeted me.

“Wha…What are you doing here?” I finally managed to ask, somewhat startled.

“I had to stay over for another meeting that I found out about just before my flight was to leave. It lasted only an hour, so I caught a cab to your house. Nikki told me how to get in the garage. I’ve been here all afternoon.” she said.

“Well, you sure were quiet. I didn’t hear anything.” I said as I approached her.

“I can be quiet. When I need to.” she said as she reached for my hardening dick.

“Don’t you think we need to talk about what happened between us this morning.” I inquired.

“I want this big dick in me first. And quick, too!” she announced, taking my throbbing cock out of its confinement.

Toni was wearing what appeared to be lounging pants and a short kimono that wrapped around the waist. I untied the belt and opened the kimono exposing my sisters enormous boobs. I bent down and kissed her hard on the mouth as I fondled her tits.

My hand then made its way into her pants from the top. To my delight, she wasn’t wearing any panties either. I fingered Toni’s pussy as she groaned in ecstasy. Sliding my other hand in the waistband of her pants, I slid them down to her ankles. She then stepped out of them. Getting down on her knees, she took my underwear off and started sucking my dick in her succulent mouth.

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