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Katie's journey of discovery - Simon - 11-25-2025
Part 1
Stuck at home, looking after an annoying little sister. That wasn't how Ethan had wanted to spend his last day off during winter break. He wanted to be where he belonged. He wanted to be with his friends Derek and Chris. He'd waited months for his new Xbox and wanted to play every minute before he had to go back to school. But as always, it didn't matter what he wanted.
Ethan and his little sister Katie were spending the last Sunday afternoon of the holidays at home in front of the television. Their parents had decided to take a day off to relax and have some time to themselves. Blah blah blah. Katie, only nine years old, was usually sent to the neighbors' when their parents were out, while Ethan was encouraged to go to a friend's house. This time, however, Ethan's parents left him alone to look after Katie. When he protested, they reminded him that he had turned fourteen a month ago and it was time for new responsibilities. To be honest, he didn't mind the responsibility. He hoped to squeeze some extra pocket money out of it. "But today is the last day of the holidays!" he thought smugly.
At this point, the two were just finishing lunch. Katie, still in her pajamas, lay at the foot of the couch, staring absently at the television as the latest episode of "Big City Greens" played. After spending the morning running, jumping, and playing with all her dolls, she seemed completely burned out. It was about the sixth episode of the day, and Ethan decided to take some time for himself. He got up from the sofa, stretched briefly, and then grabbed the plates from lunch. Katie still had half a peanut butter and jelly sandwich and some chips left. He finished her lunch and went into the kitchen.
After the plates had been summarily dumped in the sink, Ethan stood in the bathroom and peed. Not quite ready for the next episode with Marshall and the gang, he pulled out his phone to check his texts. A picture message from Derek was waiting in his inbox. When he opened it, a picture of a naked girl appeared on the screen. This wasn't a surprise to Ethan. Derek's parents had only ever imagined parental controls to mean safe Google searches. He had become a kind of sleazy sleuth among their friends. Ethan didn't mind. If he had the same access, he would have done the same thing. His own parents were stricter and paid for all those pointless restrictions and blocks. But they didn't check his texts, and luckily, Derek was his sexy savior.
Ethan savored the image for a moment. The girl appeared to be about 18 or 19. She had short, auburn hair, dazzling white skin, and was completely naked. She sat smiling against a wall, her knees drawn up and her legs spread wide for all to see. Her arms were draped over her knees, emphasizing the relaxed atmosphere of the picture. Ethan's gaze immediately fell upon her pussy. It was perfect, by his 14-year-old standards. The translucent skin of her legs formed a perfect, budding blossom. A thin strip of auburn hair trailed up her mons pubis. Grinning, Ethan noticed that the girl's face and physique resembled Derek's own 16-year-old sister. Ethan had long suspected that Derek had a thing for his sister. Derek had even once claimed to have secretly glanced at his older sister after she had showered and accidentally left the door ajar. The thought made Ethan incredibly aroused, too.
Ethan was abruptly brought back to reality when he heard the intro to the next cartoon episode in the living room. He'd been staring absently at his phone for a few minutes, rubbing his crotch, when he realized he hadn't heard from Katie in a long time. He quickly put his phone away and pulled down his shirt to conceal his young, hard penis. He opened the door and went into the living room.
He found Katie still lying on the sofa, now fast asleep. She was lying the way only a child can. Her arms were folded above her head, the hem of her pink and white princess shirt was pulled up, revealing her little belly button. One leg was stretched out on the sofa, the other hung over her side. Her head was still turned towards the television, her eyes closed, her mouth barely open. Her short, light brown hair was still tousled from her lazy morning. Ethan saw an opportunity to put something else on the television and walked around the sofa to get the remote. He paused as Katie suddenly yawned deeply and then sank back into her heavy, deep sleep.
As he watched her, he noticed a small dark stain in the crotch of her pink pajama bottoms. Had she wet herself? It was his first time home alone with his sister, and he was plagued by questions about what his parents would expect of him if his little sister had wet the bed. Not knowing what to do, he instinctively reached out and touched the damp spot, hoping to smell the wetness and see if it was indeed pee. As he gently ran his fingers over the damp area, Katie suddenly took a deep breath. Ethan froze. Katie let out a soft moan as she exhaled, then calmed down. Ethan withdrew his hand and looked down at his little sister. He smelled his fingers and did indeed detect the faint scent of urine, but also something almost pleasant. A thought of the picture Derek had sent him flashed through his mind.
The perfect pussy and that little strip of red pubic hair. Unexpectedly, Ethan reached for Katie's crotch again. As his hands brushed against the wet spot, she gasped again. Ethan composed himself, but kept his fingers gently on her pussy. He really had no idea what he was doing, but his curious, youthful brain took over. Carefully, he felt through her pajamas, trying to feel her little pussy through the fabric. He found the delicate crease where her tiny labia folded together and ran his finger along it. As he rubbed his finger up and down, she squirmed slightly and moaned softly. Ethan froze and swallowed hard. Finally, he realized what he was doing. He didn't know much about it yet, only what he'd seen in photos and discussed with his friends. What he did know was that it was wrong to do it with his sister. He was about to pull away when Katie finally woke up, moaning softly and pulling one of her small hands down. She gently took his hand and guided it to her small, wet mound. "Do it there, big brother. It feels really good when you tickle me there!" She smiled brightly at him and then looked expectantly at his hand.
Ethan, taken aback by her unexpected reaction, refocused on her crotch with youthful fascination. Ignoring his conflicting thoughts, he reached down and began gently circling his fingers over the same spot Katie had shown him. The reaction made his heart race. Katie began to writhe and moan more intensely. Her hands went above her head again as her hips began to sway. Ethan realized his pants were suddenly very tight. With his other hand, he pulled the crotch of his pants back slightly to give his growing 14-year-old penis more room to expand.
Katie frowned, slowly turning her head from side to side, enjoying her brother's continued stimulation. Ethan was captivated by the scene. He could hardly believe it. The wet patch on her pajamas was now more than just a patch. The entire crotch of her pants was damp. He increased his pace, rubbing harder as he stared at the little girl writhing beneath his hand. With a sudden speed that made Ethan gasp, Katie cried out and clamped both legs around her brother's outstretched hand. Her body arched forward as she quickly sat up, wrapping both arms around Ethan's. Ethan felt her entire body tremble rhythmically as she clung to her big brother with all her might. He stared at her, shocked and awestruck. Confused, he realized he was about to come.
Then, after what felt like an eternity, Katie finally relaxed and gently sank onto the couch. Ethan withdrew his hand and stared at her like a deer caught in headlights. His little sister yawned and smiled up at him. He was still perched above her on the couch. Luckily, she didn't notice the bulge in her brother's pants or the obvious fascination still etched on his face. Instead, she blinked and stretched as she looked back at the television. Ethan exhaled deeply as he slowly stepped back and sank to the other side of the couch. "That was the best tickle I've ever had, Ethan!" Katie exclaimed. "Mom and Dad never tickle me in my special place. It felt so good!" She seemed almost as excited as he was. Suddenly, her expression changed as she glanced down at her pajama bottoms. "Ethan, I think I had an accident. I think I went potty in my pajamas." She began to sob softly as she got up from the sofa. She held her arms out to the sides to avoid touching the clearly visible, wet fluid that had spread across her pajamas. Ethan looked at her, trying to show an expression of brotherly concern. "It's okay, Katie. We can clean you up and bring you a change of clothes. No problem." "But it's on the sofa."
“Mom and Dad are going to be mad, and I don’t want to get in trouble.” Ethan glanced at the spot where the little girl had been lying. Sure enough, there was a dark, damp stain on the sofa cushion. Ethan’s thoughts returned to how he should handle the situation. “Hey, um, it’s okay. Let’s get you in the shower. I can clean the sofa.” The little girl sniffed, obeyed her big brother, and followed him into the bathroom. Ethan started the shower while his little sister undressed behind him. He had seen Katie naked at least a million times, but this time it felt very different. When he turned around, he tried not to look at his sister. “Come in. I’ll get you a change of clothes.” He glanced back briefly when an idea struck him. “Hey, Bug Katie. I think we should keep your special tickle thing to ourselves, okay? Mom and Dad might find it weird.” Katie seemed confused but nodded in agreement. "Just a brother-sister tickle? Okay!" The little girl nodded enthusiastically as she stepped into the shower. Ethan gave in and gave her a long look as she stepped in and turned around in the warm water.
The water seemed to make her skin glow as it flowed down her torso, over her small bottom, and down her legs. He felt the pressure in his pants increase again. He felt himself getting warm and knew his face must be flushing. Wordlessly, Ethan picked up Katie's soiled pajamas and left the bathroom. She would have to wash herself. Before tossing the pajamas into the laundry basket, he inhaled them deeply, especially the wet pants. For the first time, his little sister's scent was intoxicating. He felt dizzy as he closed his eyes and took one last deep breath. Finally, he dropped the clothes and went into Katie's room to get her something to change into. In that moment, he realized he wanted to do something like this again. He would do something like this again. His initial reservations seemed, at best, pale afterthoughts.
When Ethan re-entered the bathroom to return the clean clothes, he found Katie drying herself. This time, he didn't look away. He eagerly helped her get dressed again, holding her panties open as she entered, excited to smell her own soft scent again. All the while, she excitedly told him what a great big brother he was and how much she loved his special tickling. She seemed just as excited as he was to try it again. The rest of the afternoon passed without much excitement. Ethan wiped the stain on the sofa clean, and the next cartoon took over. When her parents returned, Katie excitedly told them how much fun she and Ethan had had and that she wished he was babysitting her now instead of the neighbors. Ethan was afraid she might spill more, but she didn't. Ethan's father smiled: "Well, that's great! I'm glad you and your big brother had such a nice day! Maybe we can arrange for you both to have fun together on other weekends too." Ethan saw his opportunity. "I want to show you and Mom that I can help out more around here. Maybe I can help Katie get ready for bed in the evenings? Perhaps for a little extra pocket money?"
Katie squealed excitedly: "Yes, Dad! Can Ethan help me get ready for bed and put me to bed?"
Ethan's father looked surprised but didn't seem to notice how excited Ethan was about the task. "Hey, if you want to help more, I don't think your mom or I will say no. But let's save that for tomorrow. We can make a list of chores for both of you."
Ethan tried his best to appear satisfied but not too eager as he went to his room. He couldn't control himself any longer. As soon as the door closed, he dropped his pants, fell onto the bed, and began furiously masturbating. The image of his little sister writhing and twisting beneath his fingers flashed through his mind. Within a minute, it was too much for him. Ethan arched his back as his buttocks clenched beneath him. His testicles tightened as he began to spurt string after string of sticky white precum up his stomach and onto his shirt.
He couldn't remember ever coming so hard. Finally, his back relaxed, and he let go of his penis. Ethan leaned back as his semen spread around him. Once again, his mind began to race. Did Katie really like this as much as he did? It was as if a whole new world had opened up to him. He couldn't wait to go back to school tomorrow to tell his friends what had happened. He couldn't wait to start brainstorming ideas for the next "special tickle session." Most of all, he couldn't wait to put his little sister to bed tomorrow night!