Big Little Sister - Cover

Big Little Sister

Copyright© 1999 by Some Sort of Dog

Chapter 7: Crazy Hormones

Incest Sex Story: Chapter 7: Crazy Hormones - About two sisters, one of them with big breasts and the other not so big, and the flat chested one's fascination with her sister's breasts.

Caution: This Incest Sex Story contains strong sexual content, including ft/ft   Consensual   Incest   Sister   Voyeurism   Size  

After that, my school friends treated me with some respect. I didn't see Mark again, although within a week, I had a dozen dates lined up. And I got absolutely fucked solid on every one of them. None of the boys were as good as Mark, but it was valuable experience. I tried to remember to use contraception, but I know for sure it was sometimes forgotten in the heat of the moment.

Christmas was approaching, and my tits were getting bigger all the time. After waiting so long for them, my impatience was certainly being rewarded! By the start of December, I needed a bigger bra than my 32B, and actually went into a shop to try a few on. The woman said I needed a C cup, but a 32 was too tight, and a 34 a bit loose. But I told her I was growing, and bought the 34C. The cups were completely full.

My delight at needing a bigger bra was tempered a little by the sight of Tanya's continuing development. My sister was still not yet eleven years old, but her bust, which had been 48 inches in September, was now a whopping 51! That wasn't all. Her waist had been 23, her hips 32. Now, her hips had swelled to 36, and her waist was nearly 30! She was now four feet ten inches tall.

I remember that very sexy measuring session! Running the tape around Tanya's chest, just below her tits, showed us that she was up to 31 inches, making her bra size now 36, so her overall 51-inch bust measurement made her even bigger than the N cup she had needed only three months before.

The doctor had seen Tanya at the start of September, and again had said she was OK. I think he just enjoyed the experience. He told Mum to bring her back (or did he say *send* her back) if she started getting bigger any quicker than she was.

Now, though, her weight gain, all over, was causing Mum some concern, rather more than Tanya, who was quite happy with it as long as her tits kept pace with the rest of her, and they were doing that easily. But Mum had to find clothes big enough to fit her younger daughter, as if her bras weren't enough of a problem. Loose dresses were one solution, and maternity-type smocks, although some of the neighbours started looking at her in a disapproving manner.

She could pass for pregnant, too. Her breasts hung to below the level of her waist, even in a bra, and they stood out a long way in front of her, so the huge bulge they made was down on her stomach.

It went on, too. She got even bigger. She claimed it was through over-eating at the Christmas holidays, but by February, her measurements were a staggering 54-32-38! At least she was eleven by then!

And I was pregnant!

I had fallen sometime over Christmas. By the time I had missed a couple of months, I noticed that my boobs had reached the point where they were noticeably too big for my C cup bra. Mum had noticed, too, and we had a tearful scene when I told her the news. To my surprise, she was lovely and understanding and kind, and gave me a big hug, and after we had been to the doctor and had it confirmed, we actually sat down and started making plans for the baby, which would be due sometime in late September.

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