Your name is Jake and you live with your younger brother Luke. You are both adults living on your own and Jake is cursed. When he masturbates, something happens.
Luke: I'm out to buy some groceries, need anything?
Jake: Nope, go on and buy the things on the list
Luke closed the door and Jake waited for him to drive off. After 10 minutes, he ran to the bathroom with some lotion and air spray.
He got on the floor and started humping it in his underwear. Then he pulled his underwear down and started to jerk off. He started to think of porn that made him horny a few times before.
Right when he was about to make a load, he forgot something. He ran into his room and grabbed a pacifier. He stuck it in his mouth to silence his moans.
He layered his penis with some of his lotion and sat on the toilet facing the tank. He started to jerk off again.
It took him a while to get horny again for some reason. He thought of porn, but his penis still was growing at a slower speed.
He kept jerking till his penis was fully erect. He started to make noises and loved it when it was muffled by the pacifier.
He was moving back and forth and jerking off and finally, he let off a load. It felt amazing, as if it was his first time.
He looked at his face only to see a teenage boy with a pacifier in his mouth. He couldn't stop jerking off to realize he was regressing.
He was 7 years old when the masturbation ended. His penis was now realising weird fluid, and it wasn't cum. He looked up only to see that he was even smaller.
Jake was now small enough to pass as a toddler. He heard a door close and a voice with it.
Luke: hey I forgot my wallet, do you know where its at?
Jake tried to speak without making Luke come in the bathroom.
Jake: try looking in your room.
Luke: are you sick? Your voice sounds weird.
Jake: I'm fine, don't mind me.
Suddenly, the bathroom doorknob started to shake. Jake started to panic. He looked to be a naked 3 year old boy in the bathroom.