Megan had finally arrived home and couldn't wait to get out of her school clothes and into her favorite lounge-about clothing. The absence of her dad and step-mom's cars in the garage made her believe that she was alone. That was until she saw Terry's motorcycle under the tarp and realized he was home. Not a worry, she and her step-brother got along very well.
As she waked past Terry's room she noticed that the door was slightly ajar and her curiosity got the better of her so she peeked inside. She saw that her step brother nude in the middle of his bed with his hand around his cock which he was slowly pumping. His head was back and his eyes were closed and she wondered who in his mind's eye he was doing.
She had always considered him handsome and he was in great shape, but she had never seen him naked and she could not tear her eyes away. Her eyes grew wide when she saw what he had wrapped around his shaft, it was a pair of her panties. Not just any pair, but the prettiest and softest pair made of black silk and lace that she owned. A rush of lust shot through her body causing her nipples to grow hard and her pussy to get wet.
She had to see more so she pushed on the door a little more to give her a better view, but doing so caused it to squeak. Upon hearing it Terry's eyes snapped open and his fist stopped moving. There was a momentary flurry of activity as he attempted to hide his cock from his step sister's gaze and stash what was in his hand.
"Megan, what the hell are you doing here?"
"Just watching."
"Can't a guy have some privacy?"
"Only if the guy learns to keep his door shut tight."
He did not have an answer. Megan was surprised that his cock did not totally wilt as she entered the room and that it had remained half erect as its outline that was visible under the thin sheet. She walked up next to the bed and before Terry could stop her she thrust her hand under his pillow and removed her lingerie, it was still warm and slightly wet with his pre-cum.
"So, you like my panties?"
"Can we forget about this?" Terry's cheeks reddened.
"You didn't answer me. Do you like my panties?"
"Yes, very much."
A wicked idea then formed in Megan's mind and she moved toward the door. Terry thought that she was leaving and he could resume what he had started. He was taken aback when Megan did not leave the room but closed the door tight.
She then moved within a foot of his bed and once there she slowly began to unbutton her blouse. It opened to reveal to Terry's unblinking stare that she wore a stunning white silk shelf bra trimmed with lace.
She noticed that Terry's cock was beginning to grow fuller. Megan then unzipped her skirt and let it fall to the floor. She then did a slow pirouette to show off that the tiny bikini panties she had matched her bra.
"Megan, what are you doing?"
"Giving you some help to finish what you started."
Megan then surprised herself by joining him on the bed and slowly sliding back the sheet to allow his now fully erect cock to spring free. She then carefully wrapped the black silk and lace panties around his shaft and began to slowly stroke it.
"Megan, you have to stop."
"Why? Doesn't it feel good?"
"It feels great, but you're my sister."
"Step sister."
"Besides you're not doing it right."
"Okay, then you do it."
She removed her hand and allowed Terry's hand to grasp his cock wrapped panties, he then slowly began to pump it. Megan could not believe how hot she was getting watching him. She then began to plant kisses on his chest and nipples which caused his pumping to increase. She then moved her lips very close to his ear.
"Open your eyes and look at me," she said in a breathy whisper.
Terry turned his head and stared into Megan's eyes which were lit with lust. She slowly and deliberately licked her full red lips and said in the same breathy whisper, "Now fill my sexy panties with your cum."
Less that a minute later a low pleasure filled moan escaped his lips and shot his wad into her silky underwear.
She let him lie there until his breathing returned to normal before she spoke again.
"Watching you has got me so fucking hot."
Terry watched breathlessly as Megan's fingers to traced a line from between her breasts to the waistband of her panties. Upon reaching it she allowed her fingers to slip under the waistband and into her dripping wet pussy and she gave a tiny moan of pleasure.
Terry couldn't believe how turned on he had gotten just watching Megan and the fact that his cock was rock hard again. This surprised him because he normally didn't recover that fast.
He then decided that since she had helped him he would return the favor and help her. Any apprehension he had originally felt at being naked in front of step sister quickly vanished.
"Turn into me," he requested.
She did as he requested and he gently reached around her where he deftly undid her bra. Megan lifted her arms to assist him in removing it and he did so very slowly, first the left cup and then the right.
He had never seen Megan's naked breasts before and stared at them for the longest time. He then slowly reached out to gently caressed them. This action caused Megan to utter low and sexy moans.
"Oh Terry, that feels so good."
Then remembering what she had done to him he removed his hands and began to plant kisses on them in between using his tongue on her very erect nipples. This caused her to moan even louder.
"Don't stop. Please don't stop."
Terry's cock was now fully erect again so he grabbed it and began to pump it furiously. An idea struck him and he grabbed her silky bra and placed his cock in one of the cups. He then moved his lips close to her ear.
"Megan, open your eyes and look at me."
She opened her eyes and the sight of Terry jacking off into her bra caused the heat from her pussy to increase and get even wetter. She knew it was only a matter of time.
"Terry, I want us to cum at the same time."
"Make it soon because I am holding back."
In under a minute her breathing and finger movement increased and she finally moaned, "Terry, I'm going to cum."
"I'm cumming too, Megan."
They stared deeply into each other eyes and both enjoyed a thunderous orgasm. She stayed next to him for the longest time allowing their heart rates to return to normal.
"Still embarrassed about having your step-sister catching you jerking off ?"
"No."
"Did you enjoy yourself?"
"Yes."
"That's good."
"Why is that good?"
Did you forget that our parents are attending a party tomorrow night?"
"And?"
"Well I have no plans and we will have the house to ourselves, unless you're not interested in another session?"
"I am very interested."
"Good because so am I."
The sound of a car in the driveway caused her to gather her bra and make a hasty retreat. She was almost out the door when Terry called after her.
"Megan, you forgot your panties."
"Keep them and use them tonight"
"I will."
"Do me a favor?"
"What?"
"Think of me while you're doing it."
"I promise."
Megan made a beeline for the bathroom and ran a shower. As she soaped herself up she was already planning for what was sure to be a great Saturday night.
