The jogger was still standing there with a slightly puzzled look on his face. John started to realize that the jogger wanted to ask him something, and figured he should offer him a ride (he may, after all, be the next beta).
"Hi, I'm John. Do you need a ride?"
"Hey, I'm Derek," the jogger said, "I was going for a run, but...well...yeah!"
Derek got in the car and when John asked where he needed to go he said, "It's weird but...I don't know anymore."
After he finished talking he started to make a snorting sound like a bulldog or some powerful beast.
"Man, John, I don't mean to be creepy or nothing but you smell damn good!"
John smiled. He knew he had found his next beta.
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John suggested that they take a ride to the hills on the outskirts of town. Derek, still not understanding what had come over him, agreed. All he wanted was to be close to John and smell and feel his masculine power. He started getting turned on.
As they were driving they saw a hitch hiker. John thought, "what the hell...besides he's kind of cute!"
John pulled his van over and Francisco got in.
He WAS cute, he had a heavy muscular body and a bit of chest hair coming out over his t-shirt. He was probably in his late 30's (a bit older than the rest of them) and had a full beard and wild wavy hair. John was crossing his fingers that he would get to watch this big hairy man change into an even bigger, hairier, stronger brute.
The first thing that Francisco said when he got in the van was, "Man! It smells so good in here!" And immediately started rubbing his big heavy pecs and moaned like a bear.
Neither Derek nor John were bother by this at all. In fact John looked over to where Derek sat and saw a massive hard on straining Derek's running pants. This is too much John thought. I've got to get them their beast-man serum.
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Once they arrived in a desolate spot in the hills, a quite area that was secluded by trees, John gave them both a vial.
Derek drank his first. He started to grunt in a low neanderthalish way. John and Francisco looked on (both sporting massive hard ons) watching as he started to grow. First his neck started to widen, thicker than his head and straining his shirt collar. His jaw started to widen as well and square out while growing a nice fur cover. Then all at once his clothes burst off of him as he grew seven and a half feet tall and his muscle exploded with power! His pecs got plump and hard making it so he couldn't move his chin down. T
The veins in his arms looked like garden hoses as his behemoth biceps grew larger and fuller straining his skin with pure male power. His legs were now thicker than the a mighty redwood and shook the ground as he walked.
Derek let out a monstrous roar, and as he did a thick shock of hair burst out along his spine reaching down to his perfect giant ass where a little tail appeared. His hands and feet grew big and thick and his nails shot out like railroad spikes. He fell on all fours and howled. He was a gigantic man beast and all he wanted was to be near John, lick him, protect him and make love to him.
Finally, Derek's cock started to harden. But once it hit it's usual length (7 inches) it kept growing, Derek could feel his dick getting longer, more powerful, massive and thick. He couldn't stand it anymore and immediately started licking his giant man cock. He groaned and growled. John and Francisco heard a rumbling sound and all of a sudden another howl from Derek and gallon after gallon of man juice spurted out of Dereks mighty cock.
Francisco and John had all ready creamed their pants during Derek's growth, but they could feel their cocks getting hard again watching this muscle beast shoot his load all over himself.