Something finally reminded her of the terrible risk they were taking and in a last minute panic, she grabbed for the thin elastic waistband of her panties.

"Mike -NO!"

He released her reluctantly and allowed her to retrieve her blouse from the floor. She staggered dizzily as she fumbled to fasten the small buttons and then they both froze as they heard the sound of a key in the front door.

And now...

"It's mum!" said Mike frantically. "Quick get upstairs before she sees you!"

Sammy made a frenzied dash for the stairs, her panties half way down her thighs and her still open blouse billowing out behind her. She expected any moment to hear her mother's voice asking what the hell was going on and why was she running around half dressed. Mike started talking the moment the door opened, to divert their mother's attention. If she had looked up, she would have seen her half naked young daughter disappearing into the safety of her bedroom. Thankfully, she was too tired and harassed to bother with anything but waving Mike to silence and handing him a heavy bag full of groceries.

"Tell me all about what ever it is when I'm sat down with a cup of coffee," she said, making her way to the kitchen with the second bag of shopping.

Mike breathed a sigh of relief but even as he followed his mother to the kitchen, he was looking frantically around to make sure that nothing was out of place. He suddenly realised just how powerful the drive was to fuck his little sister and what an enormous risk he had taken. He had thought that he was well in control of the situation - that whatever he did, he would never do anything to hurt Sammy, but his selfish desire to satisfy himself had very nearly caused a disaster for both of them.

Sammy threw herself onto her bed, panting heavily. Her heart was pounding so fiercely that she felt sure that anyone else within earshot could have heard the drumming that filled her ears. The initial panic was over but she felt her anger at Mike swelling and growing. He had known that their mother would be home within minutes but still he had persisted in trying to undress her. She had come so close to getting caught that the thought of it sent chills up and down her spine. How could Mike have done that to her? He said he loved her but he couldn't even control himself when it might have meant her getting into the worst trouble she had ever been able to imagine.

She tried to picture the scene if she had been seen running up the stairs with her panties halfway down her thighs and her blouse hanging loose and unfastened. It would have been difficult enough to explain the situation to her mother but if her father ever heard about what she and Mike had been doing, she might as well be dead as face the humiliation of trying to explain to him. As it was, she felt unable to face her mother, certain that the guilt would show on her face. She was convinced that there was no way that she could have allowed Mike to do the things he had to her without it leaving some visible sign.

She closed her eyes and tried to erase the memories of what she had done. She'd been bad, there was no doubt in her young mind of that. The liberties, that she allowed Mike to take with her, had only resulted in him wanting more and more. It was no longer enough for him to simply look at her. It wasn't even enough for him to touch her - he wanted to go the whole way with her and she had promised him that she would allow him to......(cont)