Lucas woke up and jumped out of bed, happy that the day had finally come. Today was his 18th birthday and this is the day David had made him wait for, but now it was here! As he was getting dressed, Lucas started to think back to when this all started. It began about two years ago, when his parents had found out he was gay. They didn’t take it well, and it wasn’t long before Lucas decided to run away from home. While staying at a shelter for gay teens, Lucas met David, who at the time was still a medical student.
David was volunteering at the shelter on his off days, and even though David was a few years older than him, he and Lucas got along really great. After about a week David offered Lucas a room at his place, and Lucas was more than happy to get out of the shelter so he accepted. What was supposed to be a temporary situation turned permanent because they became good friends, although there was something that happened that almost got Lucas kicked out.
David was doing his internship at a medical research company and he was on a team that was focusing on male enhancement. David would usually bring his work home with him, and one night while David was asleep on the couch Lucas went through his office and snooped around. When Lucas read what David’s team was working on and the results they were having with hormone therapy, Lucas decided to steal some of the drug from David’s briefcase and take it himself.
That went on for about a month and Lucas kept stealing the hormone therapy drug from David’s stash and taking it. The results seemed slow, but it was definitely working. Lucas’s penis was a very average five inches when hard, but after a month of taking the hormone therapy his cock had grown to seven inches. Then, one night when Lucas was sneaking around the office and stealing another dose, he finally got caught by David. David had woken up and was going to do some late night reading in his office when he walked in on Lucas as he had the syringe in his hand injecting the hormone therapy near the base of his cock.
David saw the syringe in Lucas’s hand and he saw the abnormally large size of Lucas’s cock for someone his age and right away he knew why his supply of the drug was always coming up short. David was furious and yelled that Lucas could cause him to lose his medical license and about how dangerous it was for him to take medical drugs without the supervision of a doctor. David had even kicked him out for one day, but after a day to cool off, he went to look for Lucas and brought him back home.
The two talked for a long time, and after some apologies they made a deal that Lucas would never steal medication from David again. After plenty of begging from Lucas, David also finally agreed that after Lucas turned eighteen, if he was absolutely sure about his decision, he would allow Lucas to resume taking the enhancement drug since it would then be a decision he could make for himself as an adult.
That was more than a year ago. Now that his 18th birthday was here Lucas was almost shaking with excitement. After getting dressed Lucas ran to the living room to find David. As soon as he walked in Lucas said, “I’m 18 years old today! You know what that means!”
David sighed. “How could I forget, it’s all you’ve been talking about for a week. Are you sure you want to go through with this?”
Lucas nodded and said, “Absolutely 100% positively sure yes yes yes!”
“Have you really thought this through?” David said. “Your penis is already quite large, there’s no need to make it any bigger.”
Lucas shook his head and said, “Yeah right, it’s only seven inches, there’s guys in my gym class bigger than that. I want it to be fucking massive! I want the biggest cock in the school! Come on, you promised, you said when I’m 18 I can make the decision, so I’m making it. Make me huge!”
David stood up and said, “Well…. I guess you’re right, it is your decision. All right then, if you’re sure, come with me to my office.”
Lucas followed David to his office. “We’ve made remarkable progress at the company this past year,” David said. “What used to take months can now be done in days, so the results might be more rapid than you were expecting.”
Lucas smiled wide when he heard that. “Oh damn, seriously? Summer’s almost over and school starts back up soon. You mean I could be bigger before my first day back? Sweet!”
“I’m going to start you with a small dose,” David told him. “That will give you some time to process your decision because the effects can’t be reversed.”
“What?” Lucas said. “No, come on, I want the maximum dose!”
David shook his head. “Not yet, and you can’t make me change my mind so don’t bother.”
Lucas decided not to push it, so he took down his pants and sat on the exam table. David prepared a syringe, then he gently pushed aside Lucas’s soft six-inch cock and said, “Last chance to change your mind…”
“Nope, do it!” Lucas said.
David then injected the contents of the syringe at the base of Lucas’s cock and said, “All done.”
After the shot, Lucas started to feel his cock and hold it in his hand, staring at it. After a few minutes of Lucas patiently waiting David chuckled and said, “It’s going to work fast, but not that fast. It’s going to take a day or so at least.”
Lucas let go of his cock, then he put his hand out and grabbed hold of David’s crotch through his pants. David stepped back “Woah, what are you doing?” he said.
“The other thing I’ve been waiting for,” Lucas said. “You kept saying we can’t be together because I’m too young, but I’m 18 now, so there’s nothing stopping us anymore.”
Lucas walked closer and grabbed David’s crotch again. “I know you’ve been waiting for this too.”
David said, “No, that’s… uh…” and as Lucas started to rub David’s crotch he lost track of what he was saying. Lucas then unzipped David’s fly and reached into David’s pants and pulled out his cock which was already rock hard. Lucas then knelt down and started to suck David’s cock, taking notice that David was making no effort to stop him.
After waiting almost two years for this moment, Lucas was enjoying every second of sucking David’s hard six-inch cock, and it was clear David was enjoying it just as much. While sucking David’s cock, Lucas reached down and felt his own, checking if it had grown yet. His dick felt like it’s usual hard seven inches and Lucas was slightly annoyed it hadn’t gotten bigger. Instead of worrying about his own cock, Lucas focused on giving David the best blowjob he possibly could.
When David got tense, Lucas knew he was about to blow so he sucked hard and although David tried to pull away, Lucas held firm as David started to orgasm. Lucas swallowed David’s load, and once his orgasm had finished Lucas got up and kissed David, then said, “Thank you” and then he left to go get a shower.
After Lucas got out of the shower he dried off, then went to find David, without getting dressed. He found David in the kitchen. “Why hasn’t it worked yet?”
“It is working, but you’re not going to notice it if you keep staring at yourself,” David told him. “Go put on some clothes then read a book, watch a movie, just do something to pass the time. Stop checking yourself every 30 seconds. Actually, the lawn needs to be cut, you were supposed to do that yesterday.”
Lucas sighed and said, “Fine, I’ll go cut the grass.” He put on a t-shirt and some shorts, then he went outside and got the mower and began to cut the grass. It took a few hours for Lucas to finish cutting their entire yard and working in the heat did keep his mind off his cock. By the time he was finished he went inside and dropped onto the couch, covered in sweat. Lucas then closed his eyes for a quick afternoon nap.
When Lucas woke up from his nap, it was just starting to get dark outside. Lucas sat up and put his hand down the front of his shorts to feel himself. Lucas smiled, then he yanked down his shorts and stood up to check himself out. Lucas thought that finally, his cock was starting to look slightly bigger. “David! Come see!” Lucas called out.
David walked into the living room. “What are you yelling about?” he asked.
Lucas faced him and thrust his hips forward and said, “Look, it’s working!”
David looked at the impressive piece of meat swinging at Lucas’s groin. “See, I told you, you just needed patience.”
“Get the tape measure, I want to know how big!” Lucas said.
After getting the tape measure from the cabinet, David knelt in front of Lucas and put it against his cock. “Looks like you’re about seven inches while flaccid,” he said. “That’s bigger than most guys when they’re completely hard.”
Lucas smiled. “You should keep touching it… I want to know how big it gets when hard!” David then lightly stroked Lucas’s cock which caused it to start to throb and get hard.
Once Lucas’s cock had finished getting hard David put the tape measure along it again, then said, “Almost eight and a half.”
Lucas thought for a moment. “That’s nice, but I was hoping for more… when will you give me another dose?”
David stood up. “The dose I already gave you is still working,” he told him. “You’re not finished growing yet.”
That cheered up Lucas. “Oh, all right then!”
Lucas then put his hand on David’s crotch and started to unzip his fly, but David gently pushed his hand away and said, “I have to be in to work soon, I’ve got night shift.”
David went to his bedroom and changed his clothes, then he waved goodbye and left, though Lucas was on the couch playing with his cock and barely noticed. After the initial surprise of his cock growth started to wear off, Lucas took hold of his dick and started to stroke it, enjoying the way it felt thicker than usual in his hands. Lucas spent the next twenty minutes slowly stroking his cock, trying to enjoy himself as long as he could, but eventually he couldn’t hold back anymore and he shot a load of cum all over his chest. Lucas then went and took a shower before going to bed.
The next morning, Lucas woke up and as soon as he rubbed the sleep from his eyes he pulled away the covers to check himself. Lucas smiled when he saw himself because David was right. The medicine was still working, because his cock had gotten bigger during the night. Lucas went and got the tape measure and when he put it along his cock he saw that it was up to eight inches while soft! Lucas was about to play with himself to see how big it got when hard, but then he changed his mind because he got a better idea.
Lucas quietly walked to David’s bedroom, but he saw that David was sound asleep in his bed. Knowing that he had probably just came home from the night shift, Lucas decided that it would be inconsiderate to wake him up. Instead, he decided he would go to the beach. Lucas went to his room and got his speedo from his dresser. Lucas had always enjoyed walking on the beach in his speedo because his soft six-inch cock made an impressive bulge, but that was before David had made it grow.
When Lucas pulled on his speedo, he had to really squeeze his cock into the small pouch. Lucas liked to wear a very tight speedo to show off as much as possible, and now that his cock was bigger it barely fit. Once he got the speedo on, Lucas looked into the mirror and almost laughed at how obscene the bulge looked. The speedo seemed like it was two sizes too small and it looked like he had stuffed a giant banana down his crotch. Lucas squeezed his package and turned to the side, loving how much his speedo was bulging, then he put on some shorts and grabbed his keys.
Lucas drove down to the beach, then he took off his shorts and walked to the shore wearing nothing but his too tight speedo. The beach was crowded as usual with lots of people enjoying the warm summer day. Lucas saw people staring as him as he walked towards the shore, but for every look of disbelief or disapproval he got, it only made him more proud of the package he was showing off. When Lucas got to the shore he dove into the water and swam for a few minutes, then he came back onto the sand, dripping wet.
Now that his speedo was wet, it stuck to every single ridge and curve of his huge cock, making the bulge that much more obscene. Lucas walked past a mother sitting on a towel with two children, and he couldn’t help but quietly laugh when the woman grabbed her kids and covered their eyes as he walked past. Lucas kept walking along the shoreline, acting like he was just taking a casual stroll and pretended not to notice that almost every person he passed stopped to stare at him and his bulging speedo.
After reaching the end of the beach, Lucas sat down, then he laid onto his back to sunbathe. People walking past would slow down and stare, and then one guy that seemed to be in his early thirties stopped and said, “Hey kid, that really all you or you playing some kind of prank?”
Lucas sat up “I’m not a kid,” he said. “I’m 18 years old, and yeah, it’s all me.”
“I’ve seen plenty of cocks, but never seen anything like that,” the guy said. “Sounds like you’re just pulling my leg.”
Lucas got defensive and said, “It’s real! Want me to prove it?!”
“Yeah, prove it,” the guy said. “Meet me behind the lifeguard station.” The guy then walked off and Lucas got up to follow. When they got behind the large building the guy folded his arms and said, “Okay, let’s see if you’re for real or not.” Lucas put a finger under the waistband of his speedo, then he very slowly started to pull it down, exposing the base of his cock, then pulling it down slowly, exposing inch by inch of the thick shaft.
Once the speedo reached the head of his cock, Lucas pulled it all the way down, letting his thick eight-inch soft cock flop out to hang in full view. The guy staring said, “Damn! I’ve never seen one that big!”
Lucas playfully pushed his cock, making it swing back and forth, then he said, “I showed you mine, now show me yours.” The guy seemed mesmerized by the sight of Lucas’s huge dick as he slowly lowered his own pants. Once the guy’s pants were off, Lucas saw he was totally erect and his cock wasn’t even six inches, probably more like five and a half.
What also caught Lucas’s eye was that below his very average cock, the guy had some really large balls. Even though Lucas blew him away in cock size, he suddenly became jealous that the guy’s balls were so much bigger than his own. The guy grabbed his own cock and started to jerk off as he kept staring at Lucas’s dick, and while jerking off the guy used his other hand to play with his large balls.
Lucas was having mixed feelings, because he enjoyed how much this guy seemed to be getting off by staring at his cock, but Lucas kept looking at the guy’s fat nuts, then down at his own tiny balls. Lucas then pulled up his speedo and tucked his cock inside and walked off, ignoring the guy asking him to wait. Lucas then went back to his car and started driving back home.
When Lucas got back home he went inside, still wearing nothing but his bulging speedo. He saw that David was awake and sitting in the den and when David saw him in his speedo he said, “Wow, you look really good… but it’s inappropriate to go out like that.”
Lucas ignored that comment and said, “I want you to make my balls bigger too.”
David gave him a curious look. “Huh? Why?”
“I just do, can you make them bigger?” Lucas said.
“Well, yes, I suppose,” David told him, “but you already have a very large penis. If I were to cause your testicles to increase in size, you would have trouble keeping your size concealed.”
“What? Why would I want to do that, I want everyone to know how big I am!” Lucas said.
“You’re still young, you haven’t even finished school yet,” David said reasonably. “Didn’t you want to play basketball when school started again? Have you thought about what it would mean trying to play sports with extra-large genitalia?”
Lucas shook his head. “Obviously, all I’ve done is think about this for more than a year. Come on, are you going to do it or not?”
David stood up and said, “If you’re sure…. all right, let’s go to my office.”
Lucas followed, and when they got there Lucas took off his speedo and sat down. David reached down and touched Lucas’s cock. “Impressive,” he said. “I see the medicine continued to work through the night, your penis has grown quite large.”
Lucas shrugged and said, “Yeah, I guess.”
David then got a vial from his cabinet and a syringe, then he withdrew some of the liquid into the needle. “This should slightly increase the size and volume of your testicles,” he told him.
Lucas frowned. “Slightly?” he said. “Dude you’re not listening. I told you, I want to be really huge, like the biggest! Stop holding back and give me what I want! You promised you would when I turned 18!”
David paused, then he said, “You’re right, you’re now an adult and can make your own decisions. If this is really what you…”
Lucas cut him off and said, “Fuck yeah it is! Do it! Make me huge!”
David hesitated, then he shook his head. “Just remember I tried to talk you out of this,” he said, and then David put the syringe back into the vial and withdrew much more of the liquid. David then carefully injected the contents of the syringe near the base of Lucas’s sack, then said, “All right, it’s done. I’ve never given a dose that large…”
Lucas gave David a kiss and said, “Thanks!” and then he got up and went to his bedroom.
After putting away his speedo Lucas put on a pair of shorts and went to watch TV. He knew that trying to watch for the growth would only torment him so he was determined to not look at all until he woke up tomorrow so he could be surprised. After a few hours Lucas could feel something happening at his crotch, but he used his willpower to resist touching his balls or looking. Even when he had to take a leak he would close his eyes and pull out his cock without looking before pissing.
At dinner David asked him how he was coming along, but Lucas smiled and said he was waiting until tomorrow for the big reveal. While they were cleaning the dishes David tried to get a feel on Lucas’s crotch, but Lucas pushed his hand away and told him he had to wait until tomorrow as well. After some late night TV Lucas got up and said he was going to bed, then he went to his room and laid down to fall asleep.
The next morning, when Lucas woke up he pushed away his bedsheets and looked down at his crotch. Lucas smiled when he saw that the shorts he was wearing had a very prominent bulge showing. Almost like unwrapping a present Lucas started to very slowly lower his shorts, revealing his crotch bit by bit. Once his shorts were down, Lucas smiled ear to ear as he stared at himself. Resting between his legs underneath his long cock were his balls, and they had increased in size substantially.
Lucas reached down and lifted the heavy orbs and estimated that his balls were somewhere just above the size of large oranges. Lucas figured that now his balls were at least double the size of the guy he had met yesterday, and that guy already had some of the biggest nuts Lucas had ever seen. Lucas got up from bed and almost yelped with joy when he experienced how heavy and huge it felt as his new balls hung down between his legs.
Without getting dressed Lucas walked to the kitchen and found David making breakfast. “What do you think?” Lucas said.
When David turned around and saw him, he said, “Oh… I didn’t realize that dosage would cause so much growth!”
Lucas reached down and felt his enormous balls and said, “I love it!”
David walked close and knelt down in front of Lucas, then he started to feel Lucas’s fat, round balls. “Lucas, testicles of this size are almost unheard of outside of some extremely rare cases,” David then said. “Have you thought about when school starts? What are the other students going to think?”
“The guys are going to think that Marcus isn’t the biggest in school anymore,” Lucas said. “I’m way bigger than he is now. So what do you think, do you like it?”
David touched one of Lucas’s large balls again and said, “Well, of course, you look amazing, but that’s not the point!”
Lucas smiled and said, “I’m glad you like it. You see how heavy they are? It feels so incredible when I walk and they swing around.”
David played with Lucas’s balls some more, then he started to stroke Lucas’s cock. “How big is your cock when it’s hard?” he asked.
“I’m not sure,” Lucas told him. “Why don’t you find out?”
David continued to stroke Lucas’s cock as it throbbed and got harder. Once his cock was standing at full erection David whistled. “Simply incredible, I’ll bet you’re ten inches long. You really are going to be the biggest at your school.”
“It’s all thanks to you,” Lucas said, and then he started to rub David’s crotch.
David unzipped his pants and pulled out his hard cock and waved it around, then he grabbed the back of Lucas’s head and pushed it onto his dick. Lucas happily started to suck on David’s cock while at the same time he was using both hands to rub his own large cock between his legs. Lucas really sucked hard on David’s six incher as David kept holding Lucas’s head and pushing it up and down his cock. As he kept stroking his own cock, Lucas felt his heavy balls start to draw tight, but he held his orgasm back, waiting until he made David cum so they could orgasm together.
It took a few more minutes of sucking, but then David groaned and started to cum, so Lucas allowed himself to cum as well, shooting his own load onto the kitchen floor as he swallowed David’s. Once they both finished cumming, Lucas started to smell smoke. “Oh, the food’s burning!” David said, and Lucas started to laugh since they had completely forgotten about the pan of food on the stove that David was cooking when he had come into the kitchen.
While David was washing the burnt skillet in the sink, Lucas cleaned up the pool of cum he had shot onto the kitchen floor. After they had both finished cleaning, David started to make more food while Lucas went to get dressed. Lucas put on a t-shirt, then he pulled on a pair of briefs, but between the size of his cock and his newly enlarged balls, the briefs barely fit and they were very tight. Looking in the mirror, Lucas thought the squeezing of his package in the too tight briefs was almost worth it for the massive bulge he was showing. After rubbing his bulge a few times, he realized that he was going to have to get some new clothes because even though he loved the look, it really was too tight and uncomfortable.
Not bothering to put on any shorts, Lucas went back into the kitchen wearing just a t-shirt and briefs, then he sat at the table as David served them both breakfast. While they were eating, Lucas asked, “David, have you ever thought about giving yourself an injection of those hormones?”
“Oh, so now that you’ve got a jumbo cock you don’t think mine’s big enough for you anymore?” David said.
Lucas got flustered and said, “No, no, I didn’t mean it like that! Your cock is plenty big enough, I just meant….”
David laughed. “Chill out, I was joking around, I know that’s not how you meant it. Anyway, yeah of course I’ve thought about it, but I’m satisfied with the size of my piece. Besides, now I can play with your huge cock when I’m in the mood for a big one.” Lucas laughed, but it made him feel really good to hear David say that. David laughed too, then he picked up their empty plates and started to do the dishes.
While David was washing the plates, Lucas said, “Speaking of huge… I’m ready for you to make me bigger like I asked.”
David turned around and said, “Huh? I already did.”
Lucas shook his head. “No, you only gave me a small dose to start off because you said I needed time to process my decision. Well, it’s been a few days and I’ve processed it and I haven’t changed my mind. I still want to be really big, so I’m ready for the full-strength dose.”
David walked over to the Lucas at the table. “Lucas, you’re already ten inches while erect, and even flaccid your penis is a full eight inches long, which is nearly unheard of, and that’s not mentioning your testicles which are about triple the size for a full-grown adult, and you’re barely 18 years old!”
Lucas nodded. “I know, but I still want to be bigger. Something like this, here let me show you,” and then Lucas went to the counter and got his laptop and put it on the table.
Lucas then opened a hidden folder on his laptop with pictures and he started to open them and show them to David. David watched as Lucas showed him the pictures he must have got from the internet, and all of them were of guys with comically over-sized penises. Some of the pictures even had guys with cocks hanging down past their knees. After seeing ten or so of the pictures David said, “Lucas, enough, surely you have to realize none of these pictures are real. Every one of them has obviously been morphed or altered. I mean, look at this one, you can see where someone pasted the photo-shopped picture of a cock onto the body, it’s so obviously fake.”
Lucas shrugged. “I know some of them are fake, but I still want to be big like that. Okay, maybe some of them are too much…” and Lucas clicked on one of the pictures that had a cock almost to the guy’s ankles, then closed that one, but then he opened a picture of a boy close to his own age that had a morphed cock that was almost to his knees. “See, more like this, that’s what I want.”
David thought for a moment. “This is not a game, Lucas,” he said. “You would be stuck with such an extreme size for the rest of your life.”
Lucas frowned. “I thought you liked it…”
“I do,” David told him, “but doing what you suggest would forever change your life. It’s selfish of me to do it because I think it’s hot.”
Lucas took hold of David’s hand and said, “It wouldn’t be for selfish reasons, it would be because this is what I’ve wanted for as long as I can remember. I know it’s going to cause some unique challenges, but I still want this.”
David could see that Lucas was being sincere, and he seemed to have really made up his mind so he decided to respect his decision. “If this is what you really want… I’ll do it,” he said.
Lucas perked up. “Great! Let’s do it, right now! School starts in a few days so let’s get this going!”
David sighed and said, “That’s right… you’re starting your junior year soon because you missed a year when you ran away from home… have you thought about what it’s going to be like going to high school with such a large…”
Lucas nodded. “Yeah, it’s going to be amazing, oh man, I can’t wait!”
Lucas seemed so happy, so David got up and said, “Follow me…”
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