My older brother Jake came home from college for the summer and everything changed the second he dropped his bag in the hallway. We had always been close but this time the air felt thick with something new. I was eighteen and he was twenty-two, both of us built from the same stock, same dark hair, same heavy builds. The first night he stripped down in our shared room like he used to and I saw his balls for real, thick and low, swinging between his thick thighs as he kicked off his jeans.
Fuck, they were massive. Heavy nuts that hung low in a smooth sack, the kind you just want to grab and squeeze. I tried not to stare but my cock twitched anyway. Jake caught me looking and smirked, no shame at all.
"You like what you see, little brother?" he said, voice low and rough. He grabbed his own balls, lifting them, rolling them in his palm. "Been thinking about these all year while I was gone?"
I didn't answer with words. I dropped to my knees right there on the carpet. Jake stepped closer and let those big incest balls hang right in front of my face. They smelled like sweat and musk, pure family heat.
I opened my mouth and sucked one in, tongue sliding over the warm skin, feeling the weight of it. Jake groaned and pushed his hips forward.
"Yeah, suck on those balls," he growled. "You've always wanted your brother's nuts in your mouth."
I switched to the other one, sucking hard, letting my spit drip down his sack. My hands came up to cradle them, feeling how full they were. Jake's cock was rock hard above me, leaking, but he kept feeding me his balls first, making me worship them like the dirty secret we both needed.
We didn't stop there. Jake hauled me up and bent me over the bed. He spit on my hole and worked two fingers in while he pressed his balls against my ass cheeks, letting them drag and slap as he fingered me open. The sound was filthy, wet and raw.
"These balls are gonna empty inside you tonight," he said, voice dirty and direct. "Family balls, little brother. You ready for that?"
I pushed back on his fingers and begged for it. Jake lined up and shoved his cock in deep, balls slapping against me with every thrust. He fucked me hard and steady, those heavy nuts swinging and hitting my skin, marking me with every slap. Sweat ran down his chest and dripped onto my back. He reached under and grabbed my own balls, squeezing them in time with his strokes.
We switched positions a dozen times that first night. I rode him so I could feel those incest balls pressed tight against my ass. He flipped me onto my back and held my legs wide, pounding until his sack tightened and he flooded me with thick ropes of cum. I came untouched, shooting across my own stomach while he kept thrusting through it.
Over the next weeks we got bolder. In the shower he soaped up my balls and his together, rubbing them against each other until we were both leaking. On the couch with the TV on he made me kneel between his legs and hold his balls in my mouth while he stroked his cock slow and filthy. He told me every detail, how he jerked off thinking about his little brother's mouth on his nuts, how he wanted to breed me every night.
One afternoon in the backyard he pulled me behind the shed, yanked his shorts down, and fed me his balls again while the sun beat down. I licked and sucked until he pulled me up, bent me over the wood pile, and fucked me raw with those heavy balls swinging free. Neighbors could have heard the slap of skin and his low grunts but we didn't care. This was ours.
By the end of summer we had a routine. Every night Jake would make me service his balls first, sucking them, licking the sweat off, letting them rest on my face while he called me his dirty little brother. Then he'd fuck me until we both came hard, his load always deep inside. We never talked about stopping. The incest felt too good, too right, those shared balls the center of everything filthy and hot between us.
Jake left for school again in August but not before one last long night where he tied my hands and spent an hour just working his balls over my tongue and hole. When he finally pushed inside I came so hard my vision blurred. He followed right after, pumping another thick load while whispering how those balls belonged to me now.
We still text. He sends pictures of his heavy sack and I send back videos of me fingering myself open, waiting for the next time he comes home. Those incest balls started it all and they keep pulling us back together, raw and direct, exactly the way we both crave.
