Day I: Lost Bet
#10 of Muscle growth
This is a short story I wrote back in October for a challenge.
Dylan is a nerdy dog that lost a bet and as a punishment, he most wear a jockstrap and send a picture to his friends, however, he's not aware of the implications of doing that.
"This is so dumb," muttered Dylan, the dog wearing glasses, as he took off his clothes. Some minutes ago, he just lost a bet with his friends. As a punishment, he had to wear only a jockstrap and take a picture to prove it. His friends had even given him the piece of clothing he had to wear. It certainly looked bigger for someone of his size, probably more suited for equine men or any other men with exceptional size, not for him who was just average, perhaps even slightly smaller.
Dylan slid one leg, then the other, into the leg holes of the jockstrap, and gradually pulled it up to his hips. Fortunately, the elastic band perfectly adjusted to his slender physique. However, there was a lot of empty space left in the package.
"Well, I have to admit that it feels fresher than my usual underwear," he confessed. "Well, that's enough. Just take a picture for those fools and be done with it."
Dylan headed to the spot in the room where he had left his phone to take the picture. Once he picked it up, he headed back to the full-length mirror he had in the room. In the moment he was about to take the photograph, the front side of the jockstrap tightened and enveloped his genitals.
"What the fuck!" he exclaimed. The blue dog tried to remove the jockstrap, but the fabric appeared to be stuck to his skin.
"Come on, let me go... Hmmph!" he let out a soft moan. For some reason, he felt as if the jockstrap was sucking him.
It was a strange sensation, but it was present. The front part of the jockstrap was rubbing against his penis and testicles, and it seemed to be shifting from the base to the tip, as if someone was sucking him.
"Nnngh, please, stop," he complained, unable to resist the waves of pleasure he was experiencing. Gradually, his shaft elongated and hardened. His penis, as well as testicles, however, acquired new dimensions. They were increasing in size and girth.
But the piece of cloth did not stop; quite the opposite. It increased his workload significantly. Soon, he was leaking pre due to the pleasure, and without realizing it, his wits were being depleted.
"Fuck, it feels so good," he exclaimed as he surrendered to the jockstrap. He was even pleasuring himself with one of his hands. The jockstrap was completely soaked with his fluids. It had become stickier, but he did not mind; he just wanted to continue experiencing that pleasurable sensation.
"Fuck, I never realized I was that big, huhuh," Dylan noticed the new dimensions of his package. "So long and thick." "And these balls, so heavy, full of seeds, delicious seeds."
Not only was his genitalia increasing in size, but his body was as well. With each breath, it grew more and more. Dylan rapidly grew from 1.70m to almost 1.90m in a matter of minutes. His hands grew larger and meatier, perfect for gripping the monstruous dick he was jerking. His previously thin and delicate arms are now filled with veiny muscles, which is typical of bodybuilders. His shoulders broadened, his flat chest gained a pair of juicy pecs, while three sets of abs appeared over his toned belly.
"Huh, am I growing?" Dylan asked himself. His voice was now thundering. "Hell yeah, I like being big."
Legs came later, rapidly transforming into a pair of sturdy columns capable of supporting the weight placed upon them. His buttocks were rounded with a combination of fat and muscle, while his quadriceps and calves displayed impressive strength.
Dylan worshipped his body as the transformation continued. On the other hand, his mind was rewiring. His old memories faded and were replaced with new ones: of him working out, flexing, worshiping his own body as well as his bro's. Yes, he had no friends, only bros. These were guys who were as big and hot as he was and enjoyed spending as much time as possible in the gym.
Then he came inside the jockstrap and let out a deep moan of pleasure, losing the last bit of intelligence he once had. He had now turned into a vigorous, mute animal.
"Let me take a picture of this mess and send it to my bros. They're gonna love it." Dylan picked up his cellphone from the floor and took a selfie in the mirror. Some drops of cum dripped onto the floor.
Nayar Leng