Part 2 of juicedmusclepup As the week went by Hunter alrea..

Part 2 of juicedmusclepup As the week went by Hunter already saw results and felt stronger. He also however found it harder to concentrate on anything other then working out and sex. Hunter even failed an easy test in one of his favorite subjects at school. He knew the subject and should have ace it. Hunter felt horny all of the time. After an intense workout he would start to feel an itch that started deep inside his ass and caused his cock to get rock hard. He even resorts to fingering his tight hole. It felt so good as he moved a finger in and out of himself that he would wrap a fist around his cock and feverishly beat off. Hunter also found himself checking out other men’s crotches. He didn’t care what they look like in the face or body, but he couldn’t help himself wondering what their cocks look like or even taste like. Hunter found himself being disgusted with himself. On Monday the following week he arrived for his weekly appointment with Dr. Stone. When the Professor checked his stats, he had gained 5lbs of muscle and was already showing more definition. “So how was the treatment going,” the doctor asked as he pulled out the case with the serum in it and the pup mask. “Workouts been awesome. I keep the gym pump for hours longer then I did before. However, I found it harder to focus on anything other then working out and sex,” Hunter blushed. “I was horny all the time and my hole felt . . . Uh itchy,” Hunter lowered his voice before he took the pup mask and slid it tightly over his head and face. The doctor laughed as he filled the syringe, “it a normal side effects. The serum is increasing your testosterone and making your prostate more sensitive as a result. Now drop your pants.” Hunter felt his cock stirring as he obeyed and pulled down his shorts, revealing his jockstrap framed ass. He had thought it would be easier access for the Professor to inject him if he wore it. “Very nice,” the Professor whispered as he started the camcorder. Hunter found himself get more aroused by the older man’s praise. He even found himself wanting to moan as Stone touched his firm ass cheeks. He gripped the edge of the large antique desk as the needle pushed into his muscular cheek. Hunter felt a wave of pleasure filling him. When the Professor pulled the needle out of his cheek, Hunter felt Dr. Stone’s hands still lingering on his ass. The older man gently stroked the perfect round ass cheeks and then spread them, revealing Hunter’s small rosebud hole. Hunter’s gripped on the desk tightened as he felt the Professor’s finger touching his hole. He then let out a loud deep moan, as the finger pushed into him. Dr. Stone was stroking his insides, moving his finger in and out of the musclepussy. Hunter then felt the Professor’s finger hitting a spot inside him. He was overcome with intense pleasure. His eyes rolled into his head, “Fffuck.” Without touching himself he shot his load into his jock pouch. He came so hard that it leaked from his pouch onto the desk. His strong legs gave out as he collapsed onto the desk. The Professor pulled his finger from Hunter’s tight ass, “that’s a good boy.” He patted Hunter’s head as if he was a dog. “Now lick up all your cum from my desk.” Hunter paused. He would never humiliate himself like that by eating his own cum. However, he found himself peeling the mask up, over his mouth and proceeding to lick up his cum from the desk. “That’s a good boy. Cum taste so good, all the pure protein and testosterone. You need those needed minerals to grow big and strong. You need to seek out men to inject you with a daily dose of semen up your boy pussy and down your mouth. You need it to grow big and strong,” the Professor continued to pat Hunter’s head as the boy hungrily licked up his own cum. Hunter’s mind was reeling. A part of him wanted to yell that he was no fag but he was also so turned on. His cock was once again hard despite having just shot his load. After he licked up his own cum from the desk, Hunter turned to face the Professor and then slid down to his knees. Looking up at Dr. Stone for approval he reached out and started to undo the expensive suit pants. The Professor smiled down at Hunter as the muscle boy fished out his cock. Hunter was surprised by how thick it was nevertheless he opened his mouth as wide as possible and took as much of it as he could. He instantly began to gag over its thickness and found it hard to breathe. The Professor pulled Hunter’s mask off his face and gripped his hair and started to guide his head off and on the huge cock. Tears were running down Hunter’s handsome face while at the same time his cock was throbbing. Stone pushed his cock deep into Hunter’s mouth and held the boy’s head tight. Then with a grunt, the doctor shot his cum down Hunter’s throat. Hunter couldn’t help but swallow it. He was disgusted with himself as the older man pulled out his throat but at the same time, he couldn’t believe how good it tasted. Hunter kept hearing in his head that he needed cum to grow. Cum is good. He then hungrily licked and cleaned any residual semen left on Stone’s cock. Every Monday Hunter would come for his weekly injections of the serum. Each week he added 5 to 10lbs of muscle to his frame. He also got more shredded. His muscles became more defined and vascular. He was looking like a jacked beast as he put the pup mask on and got on all fours for his injections. After the injections, Dr. Stone would fuck his mouth and gave him a large dose of semen down his throat. One Monday after getting the injections, Hunter remained bent over as the Professor was rubbing his larger, firm ass. It had become a work of art. Two perfectly shaped globes, smooth and flawless. “Doc, my hole is still feeling itchy all the time. I finger fuck it every day but it still get so itchy,” looked back over his massive shoulders, through the pup mask. His dark eyes begging for help. “I see. Well we can take care of that and your doses of semen at the same time. If you are willing to take your doses up the ass, instead through the mouth. It will be absorbed a lot faster through the ass then throat anyway and will relieve the itching,” the Professor smiled as he stroked the boypussy. Professor Stone was pleased how dumb Hunter had became. The college student had dropped out of school so that he could focus on only working out and because he failed all of his classes. In a couple more weeks, he will be a completely mindless slut to pimp out, the Professor smiled. He began to push his finger into the tight muscle pussy and moved it in and out. Hunter moaned, “please, fuck me. I need it bad.” “That’s a good boy,” Stone replied as he pulled out his finger and pressed Hunter’s head down on the hard desk. Hunter’s sculpted, jockstrap framed ass was in the air. His powerful thighs were spread, revealing his smooth muscle pussy. The Professor undid his pants and pulled out his large cock. He gripped the pup mask with one hand and aimed his cock at the tight hole. “Just relax. You are going to feel intense pressure but it is going to pass and then you will feel pure pleasure,” the doctor whispered as he pushed his cock into the muscle boy. “Fffuck,” Hunter groaned and gripped the desk tightly It felt like the huge cock was ripping his open, as it slowly plowed through his inner ring. He was being stretched to his limits. However when he thought he couldn’t take anymore, the pain slowly faded. Once Hunter’s hole got used to his thickness, Dr. Stone began to pull out and rammed back in. He began to thrust in and out, faster and deeper each time. Hunter was moaning as the pain was replaced with pure pleasure. The thick cock was ramming against his prostate over and over sending waves of pleasure through Hunter’s body. He never felt so good in his life. He laid face down on the desk enjoying the feeling of the cock sliding in and out of him. Hunter began to flex this anal muscles around the cock to keep it deep inside him. “That’s it, boy, milk my cock with that beautiful ass of yours,” the Professor slapped Hunter on his big powerful thigh as he rode the muscle boy’s ass hard. The Professor pounded the boy’s ass for ten to 15minutes before he paused deep inside Hunter’s ass. He was all the way in the tight ass and enjoying the boy’s ass muscles flexing around him. Finally with a loud moan, the Professor came inside his ass. He sprayed waved after waved of cum deep inside Hunter. Hunter was so blissfully happy when he felt the warm load of pure protein and excess testosterone filling his ass.