FSE

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formerly SoFurry search engine

It was another hot day in the city and while he was looking, Austin still hadn't found a place to live, or a job for that matter. He was left to sit in his undies on Kaya and Fawks' couch with his sister, Kaya, who was also in her undies. The pair were watching TV when Austin noticed something that couldn't have been true: Kaya's bulge in her panties was bigger than his bulge in his briefs.

"Kaya... how big is your cock?" Wondered the male jackal.

"Huh? I dunno, I never measured." Responded Kaya, a bit surprised.

Austin got up and went to the kitchen, returning with some sewing tape. The male jackal dropped his pants and started massaging his sheath. Kaya looked at him for a few minutes, then pulled down her panties. The tip of her cock was already poking from her sheath.

Jackal musk emitted from the two until the whole apartment smelled of it. The two canines stared at each other's cocks as they grew and eventually their cocks reached their full lengths. Austin had a bad feeling as he got his first full look at his sister's length.

The boyjackal whipped out the measuring tape and placed it along the top of his cock, not bothering to measure his knot yet. It measured out a nice 7.2". Smiling, Austin handed the tape to his sister.

"7.2", sis. Think you can beat that?" Bragged Austin.

Kaya took the tape and placed it along to top of her member. After a few minutes looking Kaya gave her brother a look of defiance. Taking her time, she rolled up the tape before giving her measurement.

"7.6", bro. I win." Grinned Kaya.

Austin couldn't believe it. He rushed over to his sister, standing a little taller than her, and angled their cocks so he could see side by side. It was true, while Kaya's cock pressed into his crotch, his didn't quite reach. Looking down in disbelief, he started jerking his yet to be knotted length desperately.

"I just need to be more turned on, I should gain some length that way!" Said Austin

Kaya joined in, jerking her length too. Soon pre started to drip from Austin's cock and Kaya licked her lips. Kneeling down in front of her masturbating brother, she looked up at him.

"Let me help with that." Smiled Kaya before taking his cock into her muzzle.

Kaya bobbed on her brother's cock, focusing on not getting him with her sharp teeth and taking him into her throat. She heard what his girlfriends had said growing up, that he was a bit of a hair trigger when getting blown, so she was cautious. After a few minutes Austin pushed Kaya off his cock, a little too forcefully. Austin clenched with all his might and a little cum dripped from the tip of his cock, but he didn't orgasm.

Kaya got up and held her length next to her brother's again. It was true, Austin got a little longer, but it still was no contest. The woman had the bigger cock in this case. Kaya got back down on her knees and looked at her brother again.

"I win! So, I'm taking my prize." Grinned Kaya before taking his cock back in her maw.

The girljackal bobbed on her brother's cock. Having been brought so close to the edge and denied, Kaya knew it would be a rather explosive orgasm. Kaya took Austin's cock in her throat, burying her nose in his plentiful pubic fur. Her paw raised and cupped her brother's balls. After that Austin couldn't take any more and bucked into Kaya's mouth, erupting and sending jets of thick jackal cum into her muzzle.

"F-fuck, sis. You're better than any of my old girlfriends." Comment Austin in between spurts.

Kaya was about to swallow when she remembered Kyle and held the copious load in her maw. Standing up, she went to kiss her brother, then shared the load of cum with him. Austin was surprised, but enjoyed the taste and swallowed all Kaya had to give. Then, Austin looked down at something poking him, Kaya still needed to get off. The girljackal sat down on the couch and started stroking, so Austin got down between her legs and gave her dripping length a lick.

"Feeling adventurous, bro?" Asked Kaya, gasping when he licked her cock.

Austin nodded and took Kaya's cock in his maw. Minding his teeth he bobbed on his sister's cock. He couldn't quite reach his nose in his sister's lack of pubic fur, so he focused on the the top half of her cock. Mimicking his sister, he cupped Kaya's balls and did her one better by jerking her knot. Kaya had been really revved up already, and soon she tapped Austin's shoulder to warn him.

Austin doubled down and pulled back, using one paw to jerk her knot and one paw to jerk her cock as she leaned back and thrusted. Kaya squirted a large load into Austin's mouth. The male jackal did his best to take all of his sister's cum, but still some poured out of the corners of his mouth. Austin held what he could in his mouth for a minute, enjoying the taste, then swallowed all of it. He licked his lips clean and looked at his sister, she looked beat in just a bra.

Austin saw the cum that had dripped in Kaya's lap and licked it up, then planted himself in on the couch next to her. He moped a little bit, he couldn't believe his little sister was bigger than him. Kaya saw his moping and gave him a kiss on the cheek.

"Don't worry, you're still my big bro. We don't even have to tell anyone about this." Said Kaya, in an effort to comfort Austin.

The male jackal patted his sister on the head and smiled. "No, I don't care who knows, it's just something I'll have to deal with. I knew I wasn't the biggest in the group, but I know I'm not the smallest either."

"Who is the smallest?" Wondered Kaya.

"Kyle, but he still manages to make Jean squirt." Responded Austin.

"Yeah, I wish I knew how to do that." Said Kaya, looking as she thought deeply on the matter.

"Me too." Said Austin, sharing Kaya's look.

Kaya cuddled up next to her brother, leaning on his shoulder. Austin wrapped his arm around his sister. The two watched TV for a few hours before getting up to share a shower. They took in all of each other's bodies they could. Kaya's: small and feminine, Austin's: larger and masculine. They looked like polar opposites next to each other. Austin helped Kaya wash her hair while Kaya ran her paws through her brother's chest, tummy, and pubic scruff and thought on how lucky he is to have family like her.