The Twins - Cover

The Twins

Copyright© 2001 by Martina2023

Chapter 29

Incest Sex Story: Chapter 29 - A pair of 16 year old twins stumble into a sexual relationship that takes them to the very edges of biological reproduction, where they become the guinea pigs...

Caution: This Incest Sex Story contains strong sexual content, including mt/ft   Lesbian   Zoophilia   Incest   Sex Toys   Bestiality   Pregnancy  

Four weeks after she had left home, she was waiting outside her parents house in a hired car. She watched both her parents leave for work and then Joe drive off to college. She let herself in with her key and helped herself to some of her belongings. She took all her underwear, especially her basques and her most wanted items, the Corset and her saline fluid. Looking around, she felt some pangs of longing for her past. She found a lot of letters in her top drawer, where Joe must have put them.

She drove back to her flat and opened them. There were dozens of offers of work. The Corset man had written:

Dear Lady,

Thank you for writing back to me. I was pleased to hear that you had tested the corset and impressed that you reduced yourself down to 19 inches. I bet that hurt a lot. Did you enjoy it? I suspect you did.

How did you get on with my latest invention. Did you insert it in your vagina or your anus and what size did you expand too? Let me know how you used it. I would like to meet you and see you using these items. Please write and say when.

Mechanic

Latest invention? She realised it must be waiting for her to collect at her old box number. She dashed down to the sorting office and collected a parcel and some letters. Back at the flat she opened it.

She was looking at a long aluminium cylindrical device, that had the familiar ratchet lever at one end. She held it in her hand and operated the lever. It expanded by about a eighth of an inch with each notch. It was cleverly designed to be small enough to enter her vagina easily, but when operated it could expand to many times the size...

This time she checked carefully to see how to release the mechanism. She found that a small nail file released it easily. She took off her dress and pulled down her knickers. She positioned a large mirror at the end of her bed and lay back so she could see her sex orifice clearly. Opening her legs, she placed it inside her vagina and twisted it until it was about 5 inches inside her. Breathing slowly in anticipation she operated the lever. It clicked and she felt a minor expansion in her lower body. She clicked it 2 or 3 more times and felt more sensuous expansion. In her mirror she could see the device had opened her by a small amount. She shuffled on her bottom towards the mirror and looked up her love tunnel. It was difficult to see, so she got off the bed, with the device still inside her, and moved her bedside lamp to the mirror.

Quickly lying back on the bed, she arranged her legs around the mirror again. This time she could see her cervix. It was pink and wet, shaped like a ring doughnut. She was dilated by about an inch. She clicked the lever again. And again. And again. Her perineum started to resist further expansion. And she loved it...

At 2 inches expansion she stopped to inspect her inside again. There was no sign of any damage from her recent enforced labour. She was wet and small streaks of white cream lined her vaginal walls. She released the latch and removed it. She wanted it further inside her. She slid it right up to her cervix this time and started to operate the lever. Now she could see the device actually framed her cervix. All of the vaginal wall was hidden behind the metal of the device. She set herself a target of 3 inches dilation.

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