My Sister Made Me Ch. 19

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Mentalcase
Mentalcase
8,317 Followers

"Oh!" Zoey said. "I was just picturing like... thirty dicks in my face and was all... no thanks!"

Sam giggled and briefly mused about how wonderful that sounded to her.

"Anyway, the guy we're going to see is the owner of the place," Sam continued. "I love sucking dick, so I told him that he could call me whenever he wanted me to swing by and take care of things."

Zoey burst out laughing and covered her mouth in embarrassment. They were still in the parking lot at school and Sam wondered if her friend would ask to be let out.

"That's... crazy!" Zoey said, still giggling. "I can't believe we're going to go somewhere and you're going to give someone a blowjob!"

Sam giggled and shrugged. The text she'd gotten from Dr. Sanderson had been simple. "I need some head. Are you free?"

Sam's immediate response had been, "Of course!"

"Honestly, if you're not up for this... I can drop you back off at your dorm," Sam said, offering her a conciliatory smile.

"Are you kidding?" Zoey asked. "I'm not missing this! I'm just sitting over here trying to figure out how to 'accidentally' let Brandon know what we're doing."

Sam glanced over at her friend with her mouth open in surprise. "Zoey!"

Zoey just giggled and shrugged.

They pulled into Dr. Sanderson's place of business and hopped out, both girls smiling and laughing as they hurried inside. Once there, Sam led Zoey over to the receptionist's window, but noticed that there weren't any patients in sight.

She smiled sweetly at the girl behind the window as she slid the glass aside.

"Hi, Dr Sanderson is expecting me," she said happily.

"Oh right!" the girl said. "He said to let you wait in his office. Go ahead and come on through."

Sam smiled and went through the door holding Zoey's hand. Nervous and excited, Sam couldn't stop thinking about how much she was going to enjoy sucking Dr. Sanderson off, with or without Zoey there. She even ventured to hope that he might let her fuck him... even if it was just a little bit. God knew she needed it.

Pausing just outside the door, Sam gingerly opened it but saw that it was empty. Leading Zoey, she hurried inside and shut the door behind her.

"How many times have you done this?" Zoey whispered.

"Well... he's always one of the ones I get to play with at The Mess Around," Sam said. "But this will be the first time I've done it here."

She turned, holding both of Zoey's hands in her own. "Are you sure you're okay with watching this? Obviously, you don't have to participate."

"This is exciting!" she said, nodding excitedly. "So..." she began, but the door opening cut her thought short.

Dr. Sanderson came in with a wide grin on his face and wearing a white lab coat. The door closed and he smiled widely at Sam but then looked over at Zoey in surprise.

"Zoey, this is Dr. Sanderson," Sam said, grinning happily. "Dr. Sanderson, this is my... friend and lover... Zoey."

He chuckled at the revelation, then strode over and reached his hand out to shake Zoey's. The bubbly, excitable young woman hesitated briefly before giggling and taking his hand.

"And don't you worry none, Dr. Sanderson," Sam continued. "Zoey knows all about why I'm here."

"Well... excellent," he said.

"So... how much time do we have?" Sam asked. "I mean... I'm pretty confident in my skills and I know I can make you cum in no time at all... but where's the fun in that."

Dr. Sanderson grinned at her for a moment before moving around behind his desk and pushing his chair out.

"I don't have any more appointments booked this afternoon," he said. "I figured that for our first time doing this, we might want to take our time."

"Mmm... good thinking," Sam said, and walked as sexily as she could over to where he was standing. "So... does Mrs. Sanderson know that you've got me in here with you?"

"She was originally going to be here to watch but she's having a very hectic day at work," he said, offering her a frown. He turned, glancing at Zoey. "You can come around here and watch closer if you want. I'm not shy."

"Would it be okay if I wanted to share your cock with her?" Sam asked. "If she feels like it, that is." She turned and smiled at Zoey, but the young woman looked a little nervous.

"Mmm... I'd need her to have taken a blood test first, unfortunately," Dr. Sanderson said.

Sam groaned, briefly covering her face with her hand. "I totally forgot about that," she said, dropping the sexy tone she'd been using. "I'm sorry."

"No... it's fine, I just have rules I have to follow for our weekend fun," he said, offering her a conciliatory shrug.

Zoey surprised Sam by coming around regardless and sliding up onto the desk to watch.

Turning back to Dr. Sanderson, Sam reached out and began to undo his pants, letting them slide unceremoniously to the floor. He assisted her by pulling off his lab coat and tossing it away. She'd looped her fingers into the band of his boxers by that point and had them down around his ankles. She heard Zoey giggling nervously behind her but didn't turn around.

"Would you like me naked?" Sam asked, reaching up and starting to undo her shorts despite the fact that he hadn't answered.

A swift nod confirmed her suspicions, and she quickly stripped completely. On a whim, she turned and grinned at Zoey.

"You know, you're welcome to play with yourself if you want," she said, but saw her new friend blush once again.

Giggling, she turned back and gestured for Dr. Sanderson to sit down. He did so immediately, a wide smile on his face as she knelt in front of him.

"Been thinking about me sucking your cock?" she asked, lowering her face close to his already-hard dick and flicking her tongue cruelly across the surface.

"Fuck... yes..." he groaned.

She noticed his hands opening and closing, sensing that he wanted to take control and likely force her head down. She reached up with a wry smile on her face and clamped both hands down on his wrists, pushing them down to the arms of the chair and holding them there. That done, she flicked her tongue along the surface again, the slid the tip across the hole of his mushroom head before retracting it once again.

"Teasing little..." he groaned, his head lolling back.

With a delighted giggle, she flicked her tongue across it once again before sliding her lips around the head and all the way down to the base of his cock, burying it completely in her mouth. The head pushed at the back of her throat, and she kept pushing until there wasn't anything else to swallow. Her hands were shuffled aside as he pulled his arms up, his fingers gripping great handfuls of her hair and pulling her head up and down swiftly.

She moaned in pleasure as her pussy soaked itself, Dr. Sanderson working her mouth up and down his frighteningly hard cock. Sliding her hand back between her legs, she pushed a finger inside and whimpered in pleasure.

"Jesus... fuck..." he groaned, and she whipped her head up and off his shaft. Gasping for breath, she reached up and squeezed his cock fiercely, intending to stave off his eruption.

He groaned, nodding in approval even as he stared up at the ceiling. She continued squeezing with one hand while she fingered herself with the other until Dr. Sanderson nodded and reached back out for her head.

"Fuck... you are incredible at this," he moaned as he pushed his cock back where it belonged between her sloppy, succulent lips. Several times he brought her down to the base and back up again, the action effortless for her. Five descents later, he was groaning and twitching again, causing her to reach up and grip his cock harshly once again.

"Someone is really pent up," she said, turning back to check on Zoey. To her amusement, Zoey's shirt was up, and one breast was out, a hand pulling at her nipple while the other rubbed between her legs.

She quickly turned back to face Dr. Sanderson, still squeezing his cock to stave off his orgasm.

"Dr. Sanderson?" she asked, using the most innocent and playful tone she could. "Would Mrs. Sanderson be okay with you fucking my tight little 19-year-old pussy?"

He grunted, unable to answer as she leaned forward again and started to voraciously work her lips up and down his cock. Gouts of slobber and saliva coated her chin and dripped down her chest, sliding all the way down.

There was a loud beep from something on his desk, and he groaned audibly. Sam didn't stop sucking immediately, though, and only did so when he forced her head back. Leaning down, he kissed her sweetly on her disgusting, drool-drenched lips before standing came again.

"One second, gorgeous," he said softly.

She smiled as he stood and moved around behind her. She turned, still on her knees, and saw Zoey scrambling out of the way as he reached over for his cell phone. He turned back, holding the phone up and looking at it. Sam took the opportunity to wrap her lips back around his cock, angrily scowling up at him for taking it away.

He groaned, glancing briefly down at her then went back to looking at his phone. Clicking the screen a few times, he lifted it up to his ear and dropped his hand back down to the back of her head.

"Big Mac!" he said loudly, laughing into the phone. "How the hell are you man?"

Sam couldn't hear the other person, nor did she know who "Big Mac" was, but it didn't really matter to her. Dr. Sanderson urged her back over to where he could sit back down. She followed, her lips quickly going back to slurping and sucking at his cock while he talked.

The other person on the phone was male, judging from the tone of the conversation. At first the two were just catching up, and it sounded like "Big Mac" was another doctor. Sam continued sucking Dr. Sanderson's cock throughout, though the conversation eventually changed.

"Y'all went to that party?" Dr. Sanderson said. "No, we went before and... I don't know, man, it was just all a little too much."

The other person seemed to agree, though Sam couldn't be completely sure of that.

"Did they all have masks and shit on?" Dr. Sanderson asked. "Yeah... that's what they did the time Marie and I went. I mean... it was fun, but... yeah..."

Sam continued sliding her lips up and down Dr. Sanderson's cock, delighted that the conversation seemed to be causing him to be able to hold off cumming for the time being.

"Well, did you hear that I opened my own private place?" Dr. Sanderson asked. "You and that sexy fucking wife of yours need to come by sometime so you and I can swap them up again. Y'all are still swinging I hope? Just getting back into it?"

The last question came out sounding like Dr. Sanderson was incredulous that this mystery person had stopped.

"Well... shit man, I'm glad you guys are back at it. You've got to come check the place out. We've got lots of rooms to play in and we act out a member's fantasy each week. It's fucking fantastic."

Sam was still happily sucking away, content to sit there for the rest of the day if she was allowed to. She was still wanting to be fucked but didn't want to interrupt the conversation.

"But my favorite part, hands down, is the glory-hole," Dr. Sanderson said. "Hell yeah we do! The girl that volunteers for it is incredible! In fact, listen to this."

Sam noticed Dr. Sanderson's arm moving and was briefly surprised to see his phone right next to her cheek. For a moment she thought he wanted her to speak, but then realized that he was just showing off. Happy to make him look as good as she possibly could, she renewed her efforts and tried to be as sloppy and noisy as possible. Sucking noisily, she gathered what she saliva she could and slathered it across the shaft with her tongue. That done, she resumed furiously bobbing up and down his shaft, moaning and carrying on as he held the phone close. After fifteen seconds or so, he lifted it back up to his ear.

"Yes... that was what you think it was," he said, grinning down at her. "Just a girl that volunteers to be the one behind the glory hole door," he continued. "We call her 'Mystery-Girl'. Plus, it's my club and she just craves sucking cock, so she comes by here every once in a while and takes care of me."

The man on the phone said something else that made Dr. Sanderson laugh and he winked at Sam. Whatever it was took a little while to get out, and ended with Dr. Sanderson grinning down at Sam.

"Of course you guys can," Dr. Sanderson said. "If you're free, you and the wife can swing by today for a quick test and join us this Saturday. You know that you're going to have to give 'Mystery-Girl' a try if you guys are able to make it." He was looking down at Sam as he spoke, and though she was looking up at him, she was still sucking his cock just as energetically as she had been. She'd heard what he was saying though and loved the idea of another cock to suck.

"Yeah man, I'll be here a little later than normal this evening so you guys can swing by anytime," the doctor said. "You sure you don't want to come by now and let 'Mystery-Girl' help you out?"

The other man said something that made Dr. Sanderson laugh, and Sam decided to up the ante a little and take matters into her own hands.

Sliding up from her knees but keeping her hand on his cock, she smirked provocatively at Dr. Sanderson while he studied her. She straddled his legs, her pussy sliding dangerously close to the head of his cock and causing him to raise a single eyebrow at her.

"Mmmhmm," Dr. Sanderson muttered into the phone. "Yeah, that old place downtown."

Sam leaned in close and flicked her tongue out across his lips, then kissed him for a moment more. Still stroking his cock, she lifted herself up and pushed the head into position.

"Fuck..." he groaned, nearly dropping the phone as she pushed down into his lap and forced his cock deep inside.

"Fuck!" she echoed, leaning into him and grinding hard.

"No... just my little slut here..." Dr. Sanderson said.

Sam felt his hand come up and grip her throat, though it wasn't roughly or anything. She looked up into his face and saw desire there.

"...trying to fuck me..." he said.

He urged her up with the hand on her throat, and she pushed upward off of him. It was only briefly though as his free hand shot around to her rear and clamped her back up against him.

"...before..." he continued.

She lifted her legs up quickly, wrapping them around his waist as she worked her hand between them to guide his cock back in. She managed to position him perfectly just in time for the thrust, the wood of his desk pushing against the soft skin of her rump.

"...I said to..." he grunted, sliding all the way in.

She whimpered in pleasure; her mouth open as the ever-present, yearning hunger inside grew to a boil.

"I'll see you guys later today," Dr. Sanderson said, grunting into the phone before haphazardly holding it out for Zoey to take.

Sam was vaguely aware of her friend doing so as she clutched desperately at Dr. Sanderson.

"I didn't know you were okay with this..." he grunted, slowly fucking in and out of her.

"I fucking needed it," she whispered, her hands behind her and propping her up. "Sucking cock always makes me horny, so fuck me already!" she spat.

Dr. Sanderson needed no more encouragement and began to hammer into her, hard and fast. She cried out in relief, her eyes glazing over and tears threatening the edges of her eyes as the pleasure filled her body. She looked over at Zoey and smiled at her in pure joy at finally having a cock punishing her pussy.

"Getting close," Dr. Sanderson grunted, and looked like he was still trying to stave off his orgasm.

He needn't have though, as Sam's own orgasm was just then slamming into her. She cried out weakly, her voice coming out as a squeaky whisper as pleasure flooded her tormented body. She felt her body quivering uncontrollably as her head began to swim. She thought she might lose consciousness as the pleasure overwhelmed her, but she was able to maintain some semblance of coherence as she endured.

Most of the time, she would have much preferred to take the load of cum into her mouth, but as Dr. Sanderson hammered into her again and again, his seed bursting inside, she was grateful that he'd cum where he had. Just the same, as soon as she could move again, she slid weakly down to the floor and clamped her mouth over the twitching shaft dancing teasingly in front of her and moaned in satisfaction.

The succulent nectar coating his cock disappeared in moments, swallowed down where she needed it to satiate the hunger dwelling within. She sucked hard, moaning unrelentingly as she swallowed every drop she could find. Finally, she relented and slid back to look up at him.

"Jesus," he grunted, wiping sweat from his face.

She grinned, idly thumbing an errant spray back into her mouth. He turned, producing a roll of paper towels from a drawer behind him and offered them to her. She wanted to go over and kiss Zoey, cummy-faced and all, but didn't know how her friend would take it.

"Thank you, 'Mystery Girl'," he said, holding out a hand to help her up. My brain is..." he made a waving gesture with his hand and slumped down into his chair.

"Mmm... that's what I like to see," Sam said, grinning at him. "Totally drained."

Taking a few minutes to get herself as clean as she could, Sam began to pull her clothes back on as she turned to check on Zoey. Her friend was dressed again and grinning widely at her.

She turned back to Dr. Sanderson and giggled. He looked like he was asleep. The noise of her laughter made him open his eyes and smirk at the two. With a great sigh, he forced himself up and began to slowly put himself back together.

"Thanks for the fuck and the snack," Sam said, grinning at him as she slid her hand into Zoey's.

Once she and Zoey were safely back in her car, she turned and glanced at Zoey, wondering what her friend was thinking. The grin on her face was all the info she needed.

"That was... crazy!" Zoey gushed. "I can't believe we did that! I mean... you did it... but... wow!"

Sam giggled. "Yeah, it was a first for me to. I've had his dick in my mouth before but haven't ever gotten to fuck him, let alone at his place of business."

"Ohmygosh!" Zoey gushed, still giggling rampantly. "That was so crazy, and so much fun!"

"Did you want to take part?" Sam asked, genuinely curious.

Zoey stopped giggling and turned, a tentative, almost embarrassed expression on her face. She shrugged at first, but the grin at the edge of her mouth told Sam a different story.

"Did it turn you on?" she asked.

Zoey nodded.

"I figured as much," Sam said. "I saw you playing with yourself." She saw her friend blushing and snickered quietly.

"It was... fun to watch, and I guess part of me wanted to see what it was like... you know... him being older and all. I just... I dunno."

Sam was struck by how inexperienced Zoey really was as she listened to her speaking and made a silent promise to be more mindful of that in the future.

"Well... would you like me to tell you the next time I hear from him?" she asked. "If you do want to play, you'll need to get tested for STDs. It's part of the rules they have at their sex club."

Zoey hesitated before answering and Sam snickered as she looked at her. "You know... if you wanted and you're free this coming Saturday, you could always come and watch me do my thing at The Mess Around."

Zoey giggled, nodding after a few seconds.

"I'll have to tell Dr. Sanderson and my friend Kara, one of the girls in the group, that you'll be there, but otherwise, no one else will know."

Zoey seemed to like that arrangement and reached over to grab Sam's hand as she started the car and began to drive.

"So... are you still... like... really horny... or whatever it is that happens to you?" Zoey asked as they pulled up to stoplight.

Mentalcase
Mentalcase
8,317 Followers
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