--Disclaimer---
This story is entirely fictional and doesn't/shouldn't represent any real life situations. It is strictly for entertainment purposes.

"The whole weekend!?" Jake and Dexter exclaimed. 

"You two have been really good all summer, so we figured it wouldn't be a problem." 

The two chimp brothers were shocked but instantly excited. Their parents had decided to take a mini vacation for the holiday weekend just before school started. While they weren't going far, this was the longest time they had ever let the brothers stay home alone. Telling them that their grandparents would be stopping in to drop off dinner each night, they gave Dexter a list of emergency contacts and began packing. 

"And you won't be back until Monday night?" Dexter asked, watching their parents eagerly pack their suitcase. 

"You're not gonna make your mother and I regret this are you?"

"N…no of course not!" Dexter replied defensively. "It's just…I mean you never like us being alone for real long normally. I guess I'm just confused."

"You're a good boy Dexter," his mother said. "Your father and I just need a few days alone. I know I can be a little hard on you sometimes, but it's only to be sure you're responsible." 

"Uh huh?" Dester was still very confused. His parents never acted like this. "So…Monday then?" 

His mom kissed his forehead and rubbed his back. "Yep, we love you sweetheart. Now go play with Jake so we can finish packing." 

"Uh, sure." Dexter walked out of the master bedroom and down the hall to his room. Placing the list of phone numbers down on his desk, he headed back in the hall to Jake's room. Closing the door behind himself, the stunned teenage chimp looked over to his brother who was reading comics on his bed. 

"Hey Dex, what's up?" 

"Uh, they're gonna finish packing and head out."

"That's nice," Jake replied. He was laying on his stomach with his legs lifted up and wiggling in the air. 

The boy's carefree attitude softened Dexter's apprehension. Walking over he shook his head from side to side. Sitting on the edge of the bed, he glanced curiously at Jake.
"You don't seem phased by this whole thing. Don't you think it's strange that they're leaving us alone?"

"Nah. Not after I overheard them last night," Jake giggled. He swiveled his head around and smiled at his perplexed older brother. "They were talking about us, maybe getting us a little brother or sister." 

"Huh!?" Dexter stood up in surprise. "Wait so that means they're gonna…?"

"Hehe, yep. Gross huh?"

"Uuugghk!" Dexter shivered a feeling of disgust coming over him. "Yuck, I don't want to think about them doing that!" 

Just then the door cracked open and their mom's head peaked through. "Ok boys, we're leaving. Be good."

"Ok mom," Jake replied. Dexter nodded and with a close of the door they were gone. Tossing his comic to the floor, Jake rolled over and leaned upright on his elbows. The 10 year old chimp already had a small tent in his pants. 
"Hehe. So…are you gonna stand there and gross yourself out or are you gonna come play with me?" 

Dexter sighed and pulled off his shirt. As the fabric hit the floor, the walls of the house ratted from the slamming shut of the front door. Their parents were gone, and nothing stood in the way of them now. Dexter unbuttoned his pants and let them fall to the floor. Now just in his boxers he approached the edge of Jake's bed. 
"So, what should we play?" 

Jake giggled and removed his shirt. Standing up on his knees, he waddled over to his brother. "How about this?" He leaned up and parted his lips. Dexter smiled and wrapped his arms around the boy's back as they met in the middle, sharing a kiss. Dexter slowly let his hands caress down Jake's sides. Reaching his waist, he unbuttoned the boy's shorts and pushed them off of his hips. Breaking from the kiss, Jake fell back so that Dexter could pull his shorts off. Quickly yanking them over the young chimp's ankles, Dexter tossed them to the ground. Jumping up onto the bed he straddled his little brother and leaned down to kiss him again. Their packages, which were both growing to full mast, rubbed together as Dexter wiggled his hips. Suddenly Dexter stopped, backed off, and stood back up.

"We should pace ourselves," he said, trying to calm down. "We've got all weekend after all."

"Ooook," Jake replied, sounding disappointed, and glancing to the side.
Dexter smiled, admiring the younger chimp's body. As he stood at the edge of the bed. He was totally in love with the young chimp. Every part of Jake's form turned him on. It was so hard not to be all over him more regularly. Reaching down to his bulge, he squeezed himself and licked his lips. Jake sat up and groped his own smaller package. Though he had a few pairs of boxers in his drawer now, he was still in his white briefs that day. 
"Can we at least stay in our undies?" 

"Hrmmm, I'll tell you what, Jakey." Dexter reached up with both hands and wrapped his thumbs under the waistband of his boxers. Pulling them down he stepped out of one leg hole then tossed the pair up toward Jake. They landed perfectly on the boy's head. "No underwear at all this weekend." He winked, then turned around and headed out of Jake's room. Jake giggled and slid off his briefs, tossing them with Dexter's boxers onto the floor. He rolled around onto his stomach again and picked up his comic book. The boy's stiffness pressed into his mattress as it slowly softened again.

Leaving the door open Dexter returned to his own room and sat at his computer. Smiling wide he leaned back in the chair and looked down at his semi-hard dick. His balls hung down resting on the edge of the chair. He thought about all the possibilities that he and Jake had now that they were alone. 
"This is gonna be the best weekend ever," he whispered to himself.

… …

"Bye!" Dexter and Jake waved to their grandparents as they pulled out of the driveway. 

The two had remained separate that afternoon enjoying the time alone. Both remained naked until they heard the ring of their doorbell as dinner arrived. After dinner their grandparents helped them clean up and headed home. Stepping back inside, the two brothers securely latched the door shut, and turned to each other smiling. 

"So…Jakey?" Dexter asked, running his right hand around the boy's waist. "Why don't you get the big bathtub in mom and dad's room filled up for us?" 

A wide grin cut across Jake's face. Eagerly nodding he rushed off towards their parents room, shedding pieces of clothing along the way. Dexter shook his head back and forth slowly following behind him picking up the mess. Like it or not Jake was still a little kid, and had a one track mind when it came to fooling around. 

In their parents bathroom was a large whirlpool tub. Though it wasn't off limits to them normally, they rarely used it. Dexter tossed Jake's discarded clothes in his room as he passed by, and pulled off his shirt and socks. Leaving his pants and underwear on, he headed towards the sound of rushing water echoing through the rooms. Jake stood leaning over the edge of the tub, his hand feeling the temperature of the water. Dexter smiled admiring his little brother’s fuzzy butt. His dick twitched in his pants as he unbuttoned them. 
"Don't make it too hot, Jakey," Dexter said, his pants falling to the floor.

"I won't," Jake giggled, gently waving his hips back and forth. Turning his head he looked at Dexter, who had leaned over behind him. Jake smiled and pressed his butt against the front of Dexter's boxers. 
"What are those still doing on, Dex?" 

"Ha, someone is excited." Dexter leaned forward and whispered seductively in Jake's ear. "Why don't you help me out of them."

"Sure," Jake replied, eagerly crouching down and turning toward him. The young chimp giggled as he ran his hands up his older brother's legs and into the lower holes of his boxers. Jake rubbed Dexter's thighs on either side of his package causing the teen's cock to harden. A tight tent formed quickly poking out at Jake’s nose. Reaching further up, the younger chimp wrapped his fingers around Dexter's waistband and yanked his boxers to the floor. The older chimp's 6 inch boyhood sprung out, slapping the top of Jake's head. 

Stepping back and out of his underwear, Dexter placed his hands on his hips. Looking down at Jake, who stood back up, he gave him an approving smile. 
"Thanks Jakey," he said, "Looks like the tub is about full."

Jake turned around and quickly shut off the water. Pressing a button on the side of the wall, bubbles began rushing around the pool of warm water. It had been a long time since either of them felt the gentle massage of their parent’s bathtub. Their chests pounded with excitement. Jake was the first to step into the water. Easing his body down, the bubbles quickly enveloped him, sending a tingling pleasure through his lower body. Dexter was quick to follow, letting the water graze his sack as he remained standing in the near waist deep pool. Jake giggled watching his brother’s hanging balls bob up and down in the warm water.
“Hehe, bet that feels weird Dex.” 

“It feels…mmm…good actually.” Dexter paused for a moment, letting the water fondle him. After a few seconds he crouched down and sat in the water next to Jake. They snuggled side by side in the swirling water, letting the jacuzzi relax their bodies. 
“Ah, this feels great.”

“Yeah it does,” Jake replied. Glancing to his brother he reached over with his left hand and wrapped his forefinger and thumb around Dexter’s base. “Feels like you’re not as hard anymore. Want me to help you?”

Dexter in turn reached over to Jake with his right and did the same to his younger brother. “You’re a little soft yourself.” 

Jake giggled and pushed himself up and around until he was sitting on Dexter’s lap, facing him. He leaned in and parted his lips. Dexter in turn closed his eyes and let his brother invade his mouth with a deep and passionate kiss. Their semi-hard dicks rubbed together in the water as their tongues danced around the other. 

“MmmmMMMMmmmm,” they both moaned. The mutual feeling of pleasure from the kiss and their boyhoods rubbing together was amplified within the waters of the bathtub. They both knew how wrong it was that their relationship had gotten to this level, but neither cared about that anymore. They loved each other and that was all that mattered. 

Breaking from the kiss, Jake smiled looking deep into Dexter’s eyes. “I really love you, Dex.”

“I love you too, Jakey.”

“Dex?”

“Yeah?”

“I…I want you…I want you to put it in…now!”

“Oh Jakey!” Dexter said, leaning in and kissing him again. He wasn’t going to argue with the younger chimp. They both needed it, and he was more than willing to penetrate him upon such a desperate sounding request. “Scoot closer, Jakey,” he said, pulling the little brother’s hips. “Try and ride me like this.” 

Jake nodded and positioned himself above Dexter’s stiffness. Dexter eagerly watched as his little brother awkwardly began lowering his hips. Reaching up with both arms, Dexter supported Jake’s back, keeping him balanced and steady. 
“Take your time, Jakey. Don’t rush.” Jake again nodded and pressed his tight hole against the tip of Dexter’s 6 inch boyhood. Wincing slightly, the younger chimp took a second to get used to the feeling of being prodded underwater. It was a familiar but still somewhat new feeling. The warmth of the rushing water relaxed him as he began taking his older brother’s cock inside. 

“Fffffff….yeah!” Jake moaned as the first half of Dexter’s cock slid inside. “I love this part!”

“Me…oof…too, Jakey.” Guiding him further down, Dexter let out a long and loud moan as the remainder of his teenage cock disappeared into his little brother. Plopping down onto Dexter’s lap Jake let out a moan of his own, a sound which only further aroused the older chimp. Dexter pulled Jake close, hugging him. The younger chimp’s cock pressed into Dexter’s fur which in addition to the bubbles sent waves of pleasure through his small body. 
“Ok, Jakey, you can move whenever you’re ready.”

Jake adjusted his posture so that his knees were on either side of Dexter’s hips. This opened up his hole a bit further and sent a rush of water inside of him. He yelped as the warm water flooded his insides. Gritting his teeth, he smiled at Dexter and closed his eyes briefly taking a deep breath. 
“Ok, I’m ready,” he whispered softly and began to buck up and down. 

The two of them closed their eyes as Jake began to move. Light panting grew into progressively louder moans. The warmth of their bathwater rushing around their point of connection was a truly unique experience. Dexter bit his lip as he felt Jake squeeze and relax over and over on his cock. The younger chimp loved having his brother’s boyhood inside himself. Every time he pulled up his 4 inch dick throbbed and for each drop back down it twitched against Dexter's chest fur. 

"Jakey, you're so good at this!" Dexter moaned, a familiar feeling beginning to bubble up inside him. I…I'm gonna cum!"

Jake instinctively increased his speed. His little body doing its best to pleasure the older chimp's boyhood. Placing both hands on Dexter’s shoulders, he prepared himself to take in his brother’s seed. 
"Ah, Dex!" Jake gasped feeling the 6 inch cock grind against his small prostate.

"Cumming!" Dexter shouted and jolted his hips upward slamming hard against Jake's butt. His cum exploded out of his cock and quickly splashed up into the younger chimp's body. Once again the teen has violated his little brother’s body, and it felt amazing! He could feel the 10 year old tense a little, still being a few minutes from his climax. Not wanting to disappoint him, Dexter reached between them and pumped his fingers up and down on Jake's 4 inch cock. 

"Ah, Dex!" Jake shouted as the last of Dexter's cum filled his hole. "I…I…ANGH!" The young chimp hugged Dexter tightly as a tidal wave of pleasure shot through his entire body. As usual, Jake's cock twitched wildly but only squirted out a single thin stream on the final pulse. Despite the mostly dry orgasm, he still experienced the full weight of pleasure coursing through his veins. 
Dexter held him close and gently rubbed the back of his head letting the younger chimp return from the height of his climax. He smiled knowing that their shared experience would only bond them closer. 

"You ok, Jakey?" Dexter asked, feeling his cock soften and pop out of the young chimp's hole. 

"I…" Jake replied, breathing heavily, "I love you Dex."

"I love you too, Jakey." Dexter pulled him back a little and looked loving into Jake's eyes. Jake returned the look, captivated by his gaze. Without hesitation, the two locked lips. Their tongues gently pressed together, then both pulled away. "We should probably get out of the tub now."

"Yeah."

Dexter turned off the rolling bubbles and flipped the drain plug. The two stepped out of the water and began to towel off. Both boys made sure to give their dicks extra attention, bringing both back up to a semi. Discarding their towels in the hamper, Dexter reached down and scooped up Jake in his arms. 
"You sleep in bed with me tonight, kiddo."

"Hehe, you sure? We might end up doing it again?"

"Oh I'm counting on it Jakey."

Jake leaned up and kissed Dexter as they reached the door to the teen's room. "As long as I get to stick my dick in you too!"

Dexter laid Jake on his back and kissed him. "Deal."