Gretchen

Daddy went on, starting to slur a bit himself. "This one time, Gretchen was home from school and it was late." From the other room, the girls listened intently. "Anyway I was walking down the hallway over there and it was dark, but I saw her walking toward me from the other direction. And she had no shirt on... just a bra."

Erin looked at Gretchen and smiled. And Gretchen, aspiring slut that she was, blushed a little. She remembered the incident. Years ago.

"It wasn't a fancy bra or anything. But it had little blue flowers on it. I don't think I'll ever forget those little blue flowers." There was a pause as Daddy took another drink, presumably. "She was probably used to walking around like that in her apartment, no big deal. But when I saw her... and she looked so much like Janet in the darkness... I dunno, I just felt compelled to..."

Gretchen felt her heart pump and her mind start to work. She knew what had to happen. She slipped off her sweater, for the second time that day. Her bra was light purple. There were no blue flowers this time. But it would have to do. Her heart beat in her chest as she kept listening to Daddy.

"When Janet and I were young, sometimes I'd just see her, especially when she wasn't dressed, and grab her and throw her against the wall... I dunno. But for a split second I had that thought."

And a few minutes later, after the conversation wound down, Ted had gone and the girls could hear Daddy washing up the glasses in the kitchen sink. In a minute he'd be heading down the hall to bed.

"You have to" Erin said to Gretchen. And Gretchen knew that she was right. Even though the point of this whole day was supposed to be a picture of her little sister and dad for Professor Klein, she couldn't pass up this opportunity. Somehow it would lead to the photo being taken. And even if it didn't, Gretchen could live without Professor Klein and her slaves. She'd have new playmates to occupy her.

So taking a breath and summoning far more courage than it took to seduce her sister, Gretchen stepped out into the hallway, wearing only her bra and jeans. She knew what she'd do. Her father would see her and stop to stare. And she'd say, "you can call me Janet" and he'd say, "you can call me Daddy." and then he'd take her to his bedroom and they'd make love. Gretchen started getting wet just thinking about it.

The hallway was dark and Gretchen had to time her walk just right. She could get out into the living room before Daddy even left the kitchen. So she stopped and waited.... and waited... and waited. And finally heard the footsteps of her father coming toward her.

This was it. Gretchen it her lip in apprehension. There was no going back now. Gretchen turned a hall corner and there was her dad before her. She became keenly aware of just how exposed she was in her bra. In a second her father's eyes met hers, looking surprised to see her there. Then the trailed down her body to her exposed bra, looking even more surprised. This was the time Gretchen would tell her father to...

Grab her and slam her against the nearest wall. Gretchen couldn't get a word out before she felt the hallway wall against her back and her father's tongue on her neck, his hands pawing at her, tearing away her bra, pulling it down quickly and then moving down to unbutton her jeans. After a moment of dizziness from the impact, Gretchen had nothing to do but play her part.

She grabbed her father's shirt and started to unbutton it, clumsily at first, then smoothly, eventually pulling it off him, with his help. Then she tore his undershirt off over his head.

At this point her pants were down on the ground. The world spun. This was her father, slipping her panties down off her long legs, exposing her bald pussy in the dark. She was completely nude before him. His tongue pushed it's way into her mouth and as he unzipped his pants and pulled out a thick cock, she swung her legs up, wrapping them around his waist, her back still pressed to the wall.

And she felt it. His manhood enter her. And she whispered "oh daddy...." as he began to thrust into her, pumping her into it again and again, the sweaty flesh of her back sticking the the wall as her father pushed himself deep inside of her, his strong hands on her ass, holding her up.

For a split second, as pleasure spread across her body, she wondered where her sister was. If she could hear this, and what she would do about it.