[B4T] Big Bro's just bigger, bro!

It happened every night. Aiden woke up to his older brother climbing into his bed, wrapping a huge arm around him, and pulling him in close until their gigantic, solid, cock was pressed up tight against his ass. His brother really put the big in big bro, a towering hulk that quite literally dwarfed Aiden in pretty much every metric. If his brother was the gigantic alpha goliath, Aiden was the petite beta boy. People wondered, often, how they both came from the same gene pool. 

Aiden felt a hand reach down to pull down his pants, quickly shoving a way too big cock between his cheeks. Ever since his 18th birthday, and a few explorations between men, Aiden’s brother had been using him as a personal cocksleeve whenever the need arose. Now that Aiden was 19, it was practically an every night occurrence, even spilling over into the daylight once or twice. 

It had started, somewhat, equivalent. Aiden would let his bro fuck him, he’d get a handjob in return but as time went on that became less and less common. Until the fateful day…

“When do I get to top?” Aiden asked, practically whining as he got ready to get split open again. 

Ten minutes later, being plowed into his bed like fertile soil, so close to getting off his brother made him a deal…

“When your dick is bigger than mine.” 

Then fucked him hard until he agreed. Now everytime Aiden asks, it's always met with “Did your dick get bigger?” which of course, it never did. 

“Can I top tonight…” Aiden whined as he got ready for another night of being fucked stupid. He felt an oversized hand reach in front of him, firmly squeezing the rather small bulge in his underwear. 

“Doesn’t seem like it.” 

===

Looking for an older brother to really play up some size differences. Aiden is basically under a deal he’ll never get out of, just a cocksleeve for his older brother (Or friend if you don’t like the dynamic.) This may give the allusion that something will change and Aiden will suddenly have a bigger dick, but sadly that’s not the vibe today! Fully into the vibe of his older brother being BIG and staying that way! The bigger he is, the hotter. Even unnaturally so, like 8’0 tall or above, though I’m flexible on size ranges. 

Transformation Alt: If you are someone who likes growth/shrink transformation type stories, I am also interested in including a concept that backfires. Aiden could do something to try and grow bigger and beat the deal, but instead ends up just shrinking and making his bro even bigger. Make sure to mention if you’re interested in this.

So yeah, if you’re interested shoot me a message with your kinks and stuff, information on your character required. I’d like to at least know stuff about him like his sizes, name, simple backstory, dynamic with Aiden, stuff like that. One liners or people who don’t include character information won’t be getting a response! 

18+ Only, obviously. Aiden is 19, you are free to be anywhere between 24 to 30. 

Kinks: Age diff, super big guys, too big to fit, size diff, stomach bulges, bros, power dynamics, silly bets/deals, transformation (size changes), excessive cum, cocky alpha bros, backwards baseball caps, twinks dressing like jocks

Limits: feminization (Twinkification is ok though, to be discussed.) Bathroom play, excessively hairy/musky guys (some is ok), blood and gore

Include the password ‘Little Bro’ so I know you read everything! :)