Chapter Text
I never thought that simple research could give me something so powerful in the hands. But I should start at the beginning.
I'm a researcher at an institute for electromagnetic waves an how they interact with the human body. I even took bit of work home, where I had build some equipment myself. At home I live with my beautiful black wife and her daughter from her first marriage. My wife is quite outgoing while her daughter is shy and even at 18 still living with us. Even she has the beautiful features of her mother, it seems like she rather stays home.
This day my wife left us to visit some family. So I had time to play with some new equipment. Shanelle, my stepdaughter was busy in her room.
Recently I did read an article about certain wave patterns and the possibility of influence on the brain. I played with this idea, sometime even kinky thought come to my mind. I hacked a new program into the computer and started the pattern. As I thought nothing happened with me. I still let the signal running, while thinking if I did something wrong.
Suddenly there was a knock on the door. "Come in", I said.
The door opened and Shany came in. At first first I was puzzled what was different, but than it dawned to me. She wear a real skinny outfit from her mother. A tight white top and short skirt, looking just like a younger version of her mother. Her big boobs and her big butt clearly visible normally hidden under long baggy clothes.
"What you are doing daddy?", she asked innocently, while I looked at her. As she moved I could clearly see her boobs moving, she wasn't even wearing a bra. I was speechless, looking at her an feeling how her beauty got to me.
After some time I answered "I work on some experiment".
"Can I help?", she asked with and undertone, she shouldn't use with her daddy.
'Did it work?' I asked myself, feeling my cock waking up.
She came really close on the chair next to me. I could smell her natural odor, a bit of sweat and her soap.
"It's about brainwaves and influence on human mind. There is a theory, the certain wave patterns will lead to certain behavior." I talked about the experiment to keep myself from doing thing I shouldn't do, even she was adult, I was a married man.
"What kind of behavior?" she asked with a clearly erotic undertone. Her hand resting now on my leg, she must feel my hard cock. I swallowed "I'm not sure, maybe lose some inhibitions?"
Was it that? did she loose her shyness? Was it from this equipment? Some guys would kill for something like this.
"You mean like my dressing this slutty for you?"
"You did dress that way for me?"
"Yes daddy, I always thinking about you when I play with my pussy."
Her hand started to rub my cock through my pants.
"But I am your daddy" I said not really resisting her hand.
"My step daddy, a good looking one with a big cock."
Her other hand wandered to my zip opening it.
"I always was to shy to ask, always hoped you would stumble upon me, while playing with myself."
Her hand opening the button, while the other took my hand to her boob.
"You can do anything with me. Even thing mom doesn't like. I hear you sometimes."
My hand started to caress her hard nipple.
"Even your butt?"
"Even my butt."
Leaning in for a kiss, she pressed against me. I stopped to resting. She was a beauty and wanted me. My hand wandered under her skirt. She didn't wear any underwear and was slippery wet.
"Wanna taste me?" she teased me.
"Yes" I said after smelling my fingers. Her musky odor was so hot.
We did go upstairs in her room.
"Please leave the clothes on" I asked her, she was so kinky in clothes.
After she did lie down I lifted her skirt. Seeing her curls, since she was unshaven and her pink slit. Glistening wet and inviting at me.
I dived in and lapped her, tasted her exotic, sucked her bigger clit.
She moaned loud and without inhibitions.
I wondered how her pussy would feel around my cock.
My fingers going into her, not feeling resistance.
"You will be my first real man" she told me.
To be the first is something special and since she took her hymen herself I wouldn't hurt her. So I undressed, while licking, feeling how hard I was.
"Yes daddy lick my pussy" she moaned.
When my pants where finally down, I got higher, lifter her top and sucked on her boobs, than I kissed her. Her mother never licked oral sex or kissing after. But Shany kissed me without any resistance.
"Fuck me!", she cried out feeling my tip at her pussy.
I would breaking my vow with my wife but how could I resist Shany. She was absolutely hot.
My cock pressed against her entrance. She was tight, but really wet.
"Daddy, yes!"
I knew it was wrong but even when she called my daddy, it made me even hotter. As I was completely in, she already came. Shivering in complete ecstasy. I could only thrust in her a few times, before I came deep inside her.
It took her some time calming down from her orgasm.
"Oh daddy, made me so happy."
For the rest of the day we fucked.
The only thing I feared during that time, what would happen if I switched my signal off. Would she go back to normal or stay that way?