Living in Chastity with My Ballbusting Sister
“Wow, really?” Katie laughed as she saw her brother on all fours looking for a game to play on his console under the TV, sifting through game cases until he found the right one. For her, she already found what she was looking for. His nuts hung snugly in his tight, small shorts, making them perfect targets.
“Wait!” Justin blurted out, turning his head backwards in shock to see her standing there, in the perfect position.
She sent her socked foot slamming into his balls. With just a snap of her foot, she knew she caused some serious pain when she felt her foot connect with both testicles. Even better, her brother let out a high-pitched yelp and collapsed on the floor, clutching his family jewels.
“Oh…my…gosh…I got you soooo good,” Katie applauded herself. “Like, right in the ‘nads. I cannot believe you were just sitting there like that. You didn’t even hear me come up!”
“I thought…” Justin coughed, still on the floor, holding them protectively. His stomach lurched with pain and he could barely move. “I thought you were at violin practice.”
“Nope, next week,” Katie shrugged. “Are they gonna be okay? I got them REALLY hard.”
“Ughh…” Justin groaned, wincing and shutting his eyes.
“Ouch, yeah. I bet they hurt a lot. I really smooshed ‘em.”
“Justin!” their mom called, and she entered the living room, sighing. “Oh…honey what happened?”
Justin rolled over to see his mom. “She kicked me in the balls, mom.”
“Again?” she sighed. She looked to Katie and then back to her son. “Justin, how many times have I told you to protect them? A boy’s testicles are very sensitive.”
“Sorry mom,” Justin eked out.
“When you’re feeling better, come help me with the groceries. Katie, did you do your homework?”
“Of course, mom,” Katie said with a smile, lying.
“Great, honey. Justin, the groceries won’t unload themselves.”
Justin turned over and got to his knees, using the entertainment center to bring himself up to a stand. He scowled at how Katie watched him struggle to his feet, enjoying her impact on him. Clutching his balls, he meandered over to the kitchen and began working on one of the twenty bags.
Their mom poured a glass of wine. “Still sore, honey? I’m sorry. I know how fragile they are.”
“Yeah, they hurt a lot. Katie really kicked them hard, mom.”
“We’ll get you some ice after you're done putting away the groceries. Let’s see,” she said, coming to the fridge to look at the chore chart for the family. Written at the top were the words Katie (with a heart over the “I”) and Justin. Justin and Katie had the same amount of chores, but most of Katie’s were crossed off. “You got some work to do, young man. Maybe if you weren’t playing video games so much, you’d be halfway through this list, and your testicles wouldn’t hurt so much.”
“Yeah, sorry…” Just said, continuing to work. “I’ll do it after dinner.”
“You said that last night,” his mom said, sighing in frustration.
“I will. I promise!” Justin whined.
His mom folded her arms, not mentioning that he had promised the night before, as well.
When their mom finished her wine, she made a pizza, and the family sat at the table to eat together. Justin enjoyed sneaking a peek down his sister’s cleavage. She wore white v-neck that was so tight across her tits that he could see the pink bra through the fabric. That bra was pushing boobs together that were already too big for her frame. She was skinny all the way up until her breasts, which suddenly interrupted the straight line with two circles the size of cantaloupes.
His mom glared at him, and when that didn’t break his stare, she scooted her plate forward. “Honey, watch your eyes. Don’t stare at your sister’s chest.”
“Sorry, mom,” Justin said, shifting his eyes downwards again.
“If you stare at my boobs again, I am kneeing you in the nuts. Mom, this is why I can’t have friends over. He’s always like this!”
“Katie, he’s just at that age.”
“It’s true though!” Katie protested. “I invited Brittany over this weekend and she said no because last time Justin just stared at her tits the whole time and then he was jerking off in his room to her!”
“Katie, please,” her mom sighed. “I remember.”
“But, mom! I want to have friends over and they all know Justin will jerk off thinking about them.”
“I will not!” Justin protested.
“Justin,” his mom began. “I didn’t want to bring this up on a Friday night, but this leads me to a big decision I’ve been thinking about.” She looked at her son. “I know you’re at that age where your hormones are acting up and your urges are…um…”
Katie spoke up. “He jacks off like allll the time,” she said with a big eye roll. “It’s so gross.”
“I don’t even stare at your loser friends! I don’t even...I don’t do it, like, all that often or anything…” Justin argued.
“Ew. You do, too,” Katie insisted. “Why else were you sneaking mom’s swimsuit magazine?”
“That’s where it went!?” Their mom shot a look at Justin.
“Uh, well, I mean…” he stammered.
“It’s so gross. Then he uses a sock to get his gunk all over. He does it all the time, mom. He’s always jacking off.”
“Justin! What have I told you about masturbation? It’s disgusting.”
“I don’t!” Justin whined. “Katie is just making it up!”
“So,” Katie began, taking her time. “Mom’s swimsuit magazine isn’t under your bed next to my blue bra?”
“Justin!” Their mom shouted. “Have you been using your sister’s bras for…that? Is that why I keep finding them in your room?”
“He uses them allll the time, mom. It’s so gross. He doesn’t even hold back even though I’m in the next room. I always hear him say the grossest stuff while he gets my bras all yucky.”
Justin was red in the face now, furious at his sister, but also knowing everything she said was right. She had to have been snooping in his room. He had no defense. He just hung his head, knowing that he had been caught.
“This is why I wanted to bring this up,” his mom said calmly. “Honey, I know it’s very difficult for you to control your urges. You’re a young guy after all. That’s just how you were made. This is why I’ve decided to start keeping you in chastity.”
Justin’s face shot up, horrified at what he had just heard.
Katie clapped and cheered. “Oh, yes! Seriously, mom? Oh my gosh, yes! Justin, your jerking off days are over! Haha, mom is going to lock you up for soooo long after jizzing in my bras!”
“Katie, please,” her mom urged. “Now Justin, I know this is…”
“I can’t wear chastity! Mom! I promise I won’t jerk off again!”
“Justin, watch your language.”
“Sorry, I won’t…masturbate again. I promise! I don’t need to wear chastity!”
“I’ve already made up my mind. I am going to lock you in chastity and you will not be masturbating any more. We’re going to the mall tomorrow together to get you fitted.”
“Oh! Can I come?” Katie bounced in her seat, sending her breasts up and down. “I was going to shop for a new bra anyway cause my last one got all crusty. I think I went up a size, anyway. I’m probably a 32F now,” she pondered, pushing up on her breasts with her hands. The mention of her bra size made Justin’s cock grow in his pants as he looked over and saw Katie’s boobs push their way out of her current bra, shaking around as she bounced in her seat.
“Yes, of course, honey. Those bras are coming out of your allowance, Justin.”
“Mom, please. I can’t do chastity. Only the loser guys in school wear those.”
Katie chimed in. “So you’ll fit right in!”
“Shut up Katie!”
“Don’t tell your sister to shut up, Justin,” their mom scolded.
“Yeah, Justin!” Katie said and stuck her foot out under the table to jab his balls with her toes. Justin yelped in pain and lurched downwards to tug her foot off of them. “You couldn’t help it, could you? You just saw mom’s magazine and just had to shoot your load all over the house.”
“Katie, please take your foot off of your brother’s balls.”
Katie waited a moment and finally withdrew her leg. “I just think it’s such a smart idea to do chastity, mom,” his sister said. “You know, ‘cause then he won’t need to worry about self control at all. You’ll have the key and you can make him go weeks and weeks.”
“Weeks!” Justin exclaimed. “I can’t go for weeks.”
“We haven’t talked about how long yet, Justin. I’m still considering how long. That’s why I’ve scheduled an appointment for you with the doctor. We can talk with her about how long is safe.”
Justin sulked while Katie and his mom happily ate their dinner.
“Can I pick out the cage?” Katie asked.
Mom shook her head. “No, honey. This is a little embarrassing for your brother, so why don’t you give him some space? It’s actually not fun for boys to be in chastity.”
“Why not?” Katie asked innocently. “I mean, Justin, since you said you don’t jerk off that often, then it shouldn’t be a problem, right?” she said with a huge smile.
Justin avoided eye contact and kept eating his dinner.
“Is it because they get blueballs?” his sister asked. Like when we visited Aunt Martha’s for a week and Justin got blueballs cause he had to share a room with me? He kept getting his dumb boners all the time.”
Their mom sighed. “Yes, Katie, like that. When boys don’t get to um…”
“Jack off,” Katie provided.
“Yes…that…it builds up, it backs up…”
Justin groaned, imagining his uncomfortable future. Being trapped at his aunt’s house for a week without any privacy left him with sore, aching testicles. He certainly wasn’t going to admit that he was actually able to sneak away twice to jerk off during that week. Yet, the trip still left an imprint in his brain of swollen, aching balls when he couldn’t jerk off every day like he was used to. It was all he remembered about that time.
“...And boys get blueballs if they don’t get to, well you know…” his mother stammered. “It is very uncomfortable.”
“What does it feel like?” Katie asked. She got up to put her plate by the sink.
“Hmm,” his mom thought for a moment. “It feels like when you hit him in the balls last movie-night with the remote,” she said with a chuckle. “A little like that, but you know, all the time.”
“So, like this?” Katie asked and as she grabbed a serving spoon and returned from the kitchen, reached around Justin’s body to slam it into his balls. Justin cried out in pain and clutched his balls again.
“Yes Katie, like that. Please, try to go easy on those! It’s not funny to hit a boy down there.”
“Sorry, mom.” Katie smiled cheerfully. “So, are you gonna get a metal one?”
“How do you know about chastity cages?” His mom asked.
“My friend Amanda. I was at a sleepover and I found out that her brother wears one. He stared at my boobs, like, the whole time. She said it was ‘cause he had blueballs. Amanda said that it’s a metal cage, so he can’t come out no matter what, so we knew he wasn’t jerking off to us. I just thought it was funny that he kept staring and couldn’t do anything about it!”
“I suppose I haven’t considered it. We’ll have to look at what they have to offer at the store in the mall. “
Katie leaned into her brother’s room later. “Hey…you’re not jerking off are you?” she teased.
“Ugh, no!” Justin shouted as he turned at his desk. “I can’t believe you told mom about the magazine.”
“Awww, are you sad you won’t be able to jack it anymore?” His sister stroked the air up and down to taunt him. “I bet you really, really want to do it now, don’t you?” she continued, now twisting two hands around an invisible shaft.
Justin squeezed his legs together, watching the erotic image. He felt his cock throb and he tensed, feeling horny already. The cleavage she was presenting in that low-cut v-neck fueled his desire even more. He imagined her, on her knees, stroking his cock with both hands while he looked down her shirt. She would beg him to unleash his load, and push her tits together with her arms.
“Oh my gosh, eyes up here, loser.” Katie laughed, and to rub it in, she smooshed her tits together with her arms, laughing at how easily she could manipulate him. “Look all you want, cause starting tomorrow you are never doing this again!” she said with a cackle, pumping the air even faster.
“It’s not fair!” Justin whined, crossing his arms. “I don’t even do it that much. Plenty of guys at school do that all the time and they don’t have to wear chastity.”
“Yeah,” Katie replied, shrugging. “That sucks.”
“It’s your fault!”
“My fault? Mom’s always wanted you to stop shooting your gross loads all over the place. If she really knew how often you shot your jizz, you would have been in chastity a long time ago. Like, hello, mom was going to notice that you started going through rolls of toilet paper and lotion. Plus, you left all those gross, crusty socks in the laundry? How dumb could you be? I’m not the one who couldn’t hold back after seeing a picture of a woman in a swimsuit. I mean puh-lease. Seriously?”
“You know mom doesn’t let me watch porn…”
“Uh, yeah, cause you’d be in here every hour of the day, squirting your gunk everywhere. That’s why you don’t get a computer in your room, and I do.”
“Stop! I don’t even do it that often!”
“So, you’re going to say you don’t have a dumb boner literally right now? Seriously, Jason, have some self control.”
Justin looked down to see his cock forming an obvious bulge in his sweatpants and quickly covered it with his hands.
“Aww, I bet you’re all worked up. Such a shame you’ll have to tell your little penis he has to go away in a cage for a long, long time.”
“She’s gonna let me jerk off before I have to wear it right?”
“Ha! What are you seriously going to ask mom if you can, what, masturbate?”
“No, but, she…I mean she can’t just put me in there like this.” He took his hands away to reveal his rock-solid and needy erection through the fabric.
“How long has it been? Since Wednesday when I caught you after the movie?”
Justin bit his lip and nodded ashamedly.
“Oh, seriously! Wow, that is a long time. Two whole days. That’s like forever for you.”
“But, I didn’t even get to finish…”
“Ha, yeah ‘cause I kneed you right in the nuts!”
“They hurt so bad I couldn’t finish.”
Katie laughed. “So, wait, since…Monday, then?”
“Wait, how do you know?”
“Cause our rooms share a wall, dummy. ‘Ohhh, swimsuit models, ohh is that a little bit of cleavage? So much skin, ohhh.’ I have to listen to your gross jerk-off sessions all the time.”
“Shut up! I can hear you, too!”
“Yeah, but I’m not pumping gross cum all over the bed. Hm, guess that will be nice not to have to hear you doing THAT anymore.”
“It’s not fair that mom picks on me and not you…” Justin whined.
“I do feel a little bad though. All worked up like that and nothing.” She reached forward to run her hand over the erection, feeling it twitch in her hand. “Gosh, that’ll be what…” Katie said, making a show of counting each finger slowly. “Five whole days, counting Saturday tomorrow. Major blueballs.”
“Please, maybe when mom is…”
“Ha, ew! Seriously? You’re asking me to cover for you? Yeah, right! So you can blow another wad in this house. No way.”
“Katie! Seriously! I can’t go this long! You have to help me! I covered for you when you wanted to sneak out for that dumb guy last month!”
Katie came over and bent at the waist showing him a long look at her cleavage as she talked. “Yeah? Well, you can’t jerk off, but…maybe I can help you. You know, give you a little handjob like I did to get you to clean my room?”
“Seriously?” Justin beamed.
Katie bit her lip. “I mean, it is my fault you had to wear the cage, isn’t it? Telling on you like that. How am I ever going to live with the guilt that I was the one who made you go in chastity? It only makes sense that I should give you that last release…”
Justin was already sliding down his pants, and soon an eager looking cock popped out, struggling at the sky for attention.
Katie wrapped her hand around it, staying bent over, and rolling her eyes at how much Justin stared at her cleavage. She stroked it slowly, making him moan. “You really, really need this, huh?”
“Yes…Katie…oh, yes. I need this so bad. I can’t go this long without it.” Justin moaned softly as she stroked him up and down.
“You better be quiet. Mom is downstairs, but if you moan like you did last time, she will definitely hear you.”
Justin nodded seriously, and leaned back in his plain gray office chair by his empty desk, his eyes rolling back in his head as he felt her soft hand give him what every guy his age wanted. Not just a handjob, but one from Katie. With her thin body and tits that jutted out, perky and firm, in the tight shirts she wore, and the cute padded bras that gave them life, most of his guy friends teased him about what they’d do with her. Some of them had even gotten it.
“That’s it…oh, you are so close.”
“Oh…yes…”
“Better get something to clean it up with. Here, use your shirt.”
“Okay…”
Katie stroked faster. “That’s it…wow you’re gonna make a mess.”
“Yes…ohhh…Katie…” He gripped the sides of his chair and leaned back.
Katie took her hand away and laughed. “Ohhh, no cumming!”
“What! Katie! Don’t stop! I was right there!”
“Yeah, duh, I know. Look at it.”
“Katie!”
“Awww, okay, I was just pranking you. Sheesh. Relax, I’m not gonna work you up and just stop like that.”
“Mfff…”
Katie wrapped her hand and slowly stroked him, sometimes going with just her thumb on the head to make him squirm.
“Katie, stop.”
“Stop jerking you off?”
“Stop teasing me! Just…let me cum! You’re doing that on purpose.”
“Awww okay, are you getting frustrated? Blueballed?”
“Yes, okay. I have blueballs. It’s been days. I couldn’t yesterday because mom made me keep my door open when her friend was here past our bedtime. Then, I fell asleep before I could do it. I really needed it tonight. Of course I have blueballs! It’s been forever!”
“Haha, wow,” Katie said, cupping his balls to feel them and find out if they felt any different. To her, she swore blueballs really did feel fuller and heavier. “Ready?”
“Yes! Ugh, yes, please.”
“Okay, here we go,” Katie said with a giggle. As she slowly brought him close to the edge she couldn’t stop giggling.
“What?”
“What?” Katie said innocently.
“What are you going to do? You keep laughing.”
“No, I’m not.”
“You are! Let me cum!”
“Okay!”
“Okay…”
Katie stroked him faster now, making him moan, cupping his balls and rolling them in her hands to stimulate him. “Get that t-shirt ready. This is gonna feel amazing.”
Justin let out little whimpers every time she got him closer and quickly got the shirt in the way, spreading it out to catch all the cum.
“Yeah, after five days it’s gonna be a big one! That’s it, okay, let’s see how much there is…”
“Yes, yes, Katie…” Justin leaned back and shut his eyes, ready to explode.
She took her other hand, brought it above her head and slammed it down on his balls. Justin let out a screech and fought to clutch himself, but Katie grabbed his balls and tugged on them.
“No, no! Katie, let go! Ow, ow!”
“Nuh-uh. No cumming for you!”
“Ahhh, let gooo!”
“What is going on here?” Their mom sighed, hands on her hips, staring at the two wrestling their way from the chair to the floor as Katie tugged his balls downwards.
“I…uh!” Justin said.
“He…mom…he was…” Katie said, feigning innocence.
“Pleasuring himself,” his mom glared. She saw the telltale sign. His cock throbbed, erect, red, and ready to blow.
“I told him you would get mad, but he wouldn’t stop. He just…looked at my chest…and kept stroking it.”
“What!? I didn’t!” Justin argued.
“Silence, young man. I can’t believe you. This is exactly why we need the chastity device.”
Katie twisted his nuts and squeezed them as he cried out. Instead of defending him, their mom stood and folded her arms. His sister pushed a fingernail into his nuts to send a shriek of pain echoing in the upper floor.
“I got so mad that I slapped his balls. Sorry, mom. I was so upset that he was looking at my breasts while he did it.”
“Totally understandable, honey. Justin, you shouldn’t be looking at your sister like that when you are…well you shouldn’t be doing it at all!”
“But, but…”
“Apologize to your sister.”
“But I wasn’t. I…ahhh!” Justin screamed as his sister clamped and pressed his balls together in her hand.
“Yeah, do what mom says and say sorry to me, or I’m going to squish your balls.”
“She does have you by the balls, sweetie,” their mom said with a tiny smile at the corner of her mouth. “You’d better say sorry.”
“Ah…ah…I’m sorry…”
“For what?” Katie demanded.
“For…for…ahhhh! For…stop! Let me…ahhh…let me talk.” Justin breathed hard as Katie eased up but held his balls firmly. “For uh, for jerking…”
“Language, Justin!”
“For, sorry, masturbating…to you…” he finally uttered.
“Good,” their mom said. “Now please, get your pants back on.”
“Mom! I’m worried he’s just going to jerk off again tonight, though!”
She folded her arms and looked them over. “Yes, probably, given his lack of self control. Okay, mister. Since you obviously can’t control yourself, you will be sleeping in my bed with me tonight. If you so much as put one hand on it, you will get no say in which cage we are getting and you are not going to like the one I pick out.”
“Yes, mom…”
“Good. Katie, please, let him put his shorts back. I can’t stand seeing him like that.”
Justin, humiliated, awkwardly slid his pants and underwear back up in front of the two women, not daring to make eye contact with his family as he put himself away.
The next morning, Katie cheerfully came out of the shower in a towel and ran into Justin arising from their mom’s room. “Sleep well?”
“Shut up…” he muttered.
“Awww, blueballs kept you up? Seems like you have a little morning wood problem right now.” She reached down to flick the protruding erection, letting it snap back painfully.
Justin covered himself quickly and bashfully realized he was sporting a full tent in his briefs.
“Guess you never found an opportunity to sneak one in.”
“No! No thanks to you…I can’t believe you did that last night. I had to keep my hands outside the sheets all night.”
“You really thought I was going to go through with it? Get cum all over my hands? Ew…no…gross.”
“But…but you did last time.”
“Yeah ‘cause then I didn’t have to spend all Saturday cleaning my room. A whole free Saturday for like a few minutes of touching your penis? Easy. The last thing your bedroom carpet needs is a million more sperm dumped on it.”
Justin pouted. “Will you just let me take a shower?”
“Oh sure, wait, is that mom behind you?”
Justin turned his neck quickly, but didn’t see anything. Katie took the moment to hone in on the two egg-shaped protrusions in his briefs, wind up her leg, and send her knee hard into them, making sure she caught both at once.
“Ahhh!” Justin yelled and collapsed to the ground, clutching his nuts.
“I got them again! I think I got ‘em both!” Katie cheered, clapping her hands and walking around his body on the upstairs carpet. “I could feel them squish. I doubt you’re ever having kids after that one!” She laughed and nudged him with her foot. “Awww, I’m sorry but they were just, like, right there.”
Justin crawled into the fetal position and held his suffering balls. He tried to talk but could only cough out unintelligibly.
“Oh my gosh, they are so sensitive. Like, it was one knee in the nuts!” Katie laughed. “I am so glad you got the boy genes and I got the girl ones. Anyway, I got stuff to do. Mom! Justin has a boner and is going to take a shower!” she yelled out and grinned at her brother. By the time Justin was getting to his feet, their mom came by and looked at her son heading to the bathroom.
“Honey, remember not to…”
“I know mom! I won’t!” Justin huffed and shut the door loudly.
“He seems really frustrated,” Katie said. “Is it ‘cause he has blueballs?” she asked innocently.
“Oh, honey, your brother is just having a tough time this week. He’s just at that age when his hormones are going crazy and he’s really struggling with self control. And yes, his testicles are probably in a lot of discomfort right now. After he got all worked up last night and couldn’t…”
“Shoot his load?”
Her mom sighed. “Yes, that.”
“Awww, it must be so hard to hold back when he knows jacking off will make the pain go away. I bet he really, really wanted to last night.” Katie bit her lip and did her best impression of someone who felt sympathy.
“Yes, so give your brother a little space, okay, honey? He is doing his best to exercise self control right now, and it’s very difficult.” She glanced down at her daughter’s sizable breasts peeking out of the towel and sighed at the challenge her son faced. “The longer he goes without…you know…the harder it gets for him. Just be thankful you don’t have to worry about all of this as a girl.”
“But with the cage he won’t have to struggle, right, mom? Cause he won’t have a choice anymore.”
“That’s right, sweetie. Now, why don’t you go help your brother in there and make sure that he isn’t…well you know. I don’t think he can handle that on his own right now. Last night in bed, he was very antsy. I made him keep his hands above the sheets all night. Normally, I wouldn’t have, but he was, so, well, excited, most of the night.” Her mom puffed out air, and brushed her hair back. “I don’t know what to do with him.”
“Chastity will stop his erections though, right mom?” Katie asked as if she didn’t already know the answer.
“Yes,” her mom nodded. “You don’t need to worry about seeing your brother like that anymore. I think that will help with his blueballs, too.”
“‘Cause he won’t be all worked up all the time,” Katie filled in.
“Speaking of,” her mother began. “He’s been in there for a full minute already. Will you please hurry and go in there?”
Katie grinned and opened the door without knocking. She tugged the shower curtain open quickly and said, “You better not be jacking it in there!”
“I’m not!” Justin whined, though his cock stood at full attention still, throbbing with need.
“Kinda looks like you are.”
“I’m not! It’s just…I’m just…”
“Blueballed?” Katie teased. She reached out and put her hand around it, squeezing it. Justin whimpered a small moan as he felt her soft hand holding his cock again, even if it was for a single moment. She snickered at how rock solid it was, ready to go off at any minute. His pathetic moan made her giggle.
“Let go…” Justin whined as he twisted his body away. “Just leave me alone.”
“Mom said I had to make sure you weren’t shooting off your load,” she replied, sticking out her tongue. “So remember…no cumming, or you’re going to be in big trouble!”
“Ugh…I know…”
“It would be a shame to go all this way and empty these out…” she said giving his balls a harsh tap, making him bend over in pain, “...before you get all locked up today. I wonder what size mom is going to have you wear!? Probably the smallest one they have.”
“No! It’s average.”
“Oh, yeah, probably,” Katie replied with a shrug.
“It is!” Justin stopped showering to turn to her. His cock had gone down a bit and was facing her directly now.
“Oh, sure, yeah. You would know better than me.” She rolled her eyes.
“You’ve…you’ve seen other guys though,” Justin said, biting his lip. His expression changed and now he seemed desperate for validating answers.
“Yeah, a few,” Katie giggled. Both of them knew it had been more than a few. With a short, thin body and big, obvious tits, the boys were always all over her, and she had no reason to say no to them. Justin hated the days where he could hear some guy getting a nice, long handjob from her through the wall, or was stuck imagining Katie on her knees, sucking off some arrogant guy who played sports in their basement. Why did she always pick the worst guys?
“So…how do I compare?” Justin asked bashfully.
“A lot bigger,” Katie said, trying to hold back a grin, and loving the position she was in. “I mean every guy I’ve been with. Much bigger than you.”
“Really…?” Justin whimpered. His cock deflated.
“Oh, yeah. You didn’t know you were small? I mean, don’t you see guys in the locker room?”
“No…” Justin said. “I mean, maybe a few times, but it’s not like they’re, you know…they’re not hard.”
“I suppose. Wow, so you really didn’t know. Awww, Justin, I’m sorry! I thought you knew!” She reached out to put two fingers around his soft cock. “It’s okay, I mean once you’re locked up, you won’t be able to use it anyway,” she said with all the false sympathy she could muster. “I just don’t want you to be surprised when the clerk has to go in the back to get the extra, extra small chastity cage for you.”
“Shut up…ugh. You’re just trying to trick me! You’re just trying to make me feel bad! It’s average, at least!”
“I’m just imagining the clerk measuring you. ‘Oh, is that as big as it gets?’” Katie said, chuckling to herself. “I don’t know if we have something so small!”
Justin shut the shower curtain hard in her face and fumed silently as he kept washing his body, trying to ignore her cutting words.
“Sorry Justin, gotta keep this open,” Katie insisted, tugging it slowly back. “Can’t have you losing all your self control in here. Mom’s orders.”
Justin washed his hair and then awkwardly brought his hands down to his penis.
“Nuh-uh. No jerking it.”
“I’m just going to wash it with soap!” Justin argued.
“That counts,” Katie insisted. She shook her finger back and forth. “When you’re in chastity, you won’t even be able to touch it. Thank goodness, by the way.”
“I can wash it!” Justin whined.
“How about I do it? Since you’re not allowed.” Katie’s sly grin made him nervous, and yet the idea of her soft hand stroking him again was too much to resist.
“Okay…”
Katie got soap in her hand and stroked the shaft. She moved her hand until he was fully erect. As she bent over, he could see her big breasts almost tumbling out of the towel that struggled to make its way entirely around them.
“Oh…oh that feels so good. Katie…please…”
“Aww, someone needs to blow, huh?” Katie taunted.
“You can do it! You can just do it. I promise, I won’t tell mom. I can’t go in chastity like this!”
Katie took her hand away, admiring her work. She watched his cock bob up and down in desperation. His heavy balls tightened with need. “Except, like, you are, though. You are going to go in chastity like this.”
“Katie!”
“Mom said no. Sorry.” She threw up her hands. “No jizzing allowed today.”
“Katie, Katie,” Justin begged desperately. “Please take care of this. This isn't funny. I can’t hold back. I really, really need it. Katie, please!”
Katie sat on the toilet cover across from the bathroom and crossed her legs. His balls ached at the sight of her long, bare legs, and her breasts now so exposed he swore he could see her nipples.
They both quieted as they heard their mom coming up the stairs.
“Still showering, Justin? Oh…oh my,” she said, and covered her eyes upon seeing his needy erection.
“I know, mom,” Katie nodded. “It’s been like that this whole time.”
“When is that thing going down, Justin?” his mom asked impatiently.
“I’m trying!” Justin protested.
Their mom looked away and lowered her hands. She glared at her daughter’s obscene breasts only covered enough so that she felt like she couldn’t say anything. After all, Katie should be able to be in a towel in her own home. Justin would have to learn to control himself. If he couldn’t do that…
“Okay, you guys,” she said to her children. “Justin, turn off the shower. Both of you get dressed. I think we need to head to the mall sooner than later,” she directed to Justin. She turned to see his penis still standing upright. Her face reddened.
Katie handed her brother a towel. “Here you go, Justin.” She kicked her legs excitedly. “Aren’t you excited to go to the mall and pick out your chastity thing? I hope they have different colors!”
Their mom smiled. “That’s right, honey. I bet if they have a cool one, you won’t mind wearing it.”
Justin grumbled, drying himself and wrapping the towel around his waist.
“That’s perfect,” Katie said. “‘Cause mom is going to keep you in there for a very long time.”'
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