The New Roommate’s Surprise (Part 1)

BigCockHost

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Long-time LPSG member here. I’ve been lurking for ages, but recently I’ve gotten super into writing erotic stories. I especially love slow burns that build toward that moment where everything changes.

As a kid, I loved choose-your-own-adventure books, so I thought… why not try that here? Each part of the story will end with a choice, and you guys decide what happens next. I’ll follow the most popular direction.

Hope you enjoy it and please be kind.


The New Roommate's Surprise - Part 1

When Nate moved in, I wasn’t expecting anything interesting. It was one of those last-minute roommate setups, my previous guy bailed halfway through the lease, and Nate came recommended through a friend-of-a-friend who swore he was “low-key, respectful, and good with rent.”

That’s all I needed.

First impressions? Pretty normal. Nate was maybe 26, tallish, wiry build, pale skin, kind of shaggy brown hair that always looked like he’d just gotten out of bed. He wasn’t the loud type. Didn’t overshare. Always polite. Wore baggy hoodies, joggers, and those beat-up Adidas slides with socks. Quiet. Respectful. Low maintenance.

But there was something else. Something I couldn’t quite pin down at first.

I noticed it when he was doing dishes one night. He had on these loose-fitting pajama pants, thin, almost worn through, and when he leaned forward to rinse a pan, the fabric draped just right. I saw it. A shape. Thick, long, curving slightly down his thigh.

I looked away. Told myself I was imagining things. But I wasn’t.

Once I noticed it, I couldn’t un-notice.

Over the next few days, it kept happening. Little moments. Casual stretches. Quick adjustments. One morning I passed him in the hallway, shirtless, towel slung around his hips, and the bulge beneath it looked comically oversized. Like the kind of thing you’d see in one of those “is this real?” LPSG posts where the replies are 50% “bullshit” and 50% “I’d suck it anyway.”

But he never said a word. Never showed off. Never made it weird.

That somehow made it hotter.

I started paying attention. Watching how he sat. Where the fabric clung. How often he adjusted himself when he thought I wasn’t looking.

By week two, it had become a low-key obsession.

That Friday night, everything shifted.

We both ended up home early. He brought back Thai food, I grabbed a six-pack, and we ended up on the couch watching some trashy horror movie. Lights off. Blankets out. I was in a pair of gym shorts and an old tank. He came out of his room in nothing but a black tank top and red boxers, no hoodie, no sweats, just casual and comfortable.

And yeah, I noticed right away.

The boxers didn’t hide much. They were loose around the thighs, pulled a little tight across the crotch. There was weight to whatever was inside, not just size, but heft. It shifted when he moved, like something alive.

We sat down, settled in. He threw his legs over the ottoman, arms spread across the back of the couch, totally relaxed. I tried to focus on the screen.

I couldn’t.

The room was quiet except for the movie. I could hear him breathing, slowly. He smelled like soap and dryer sheets. His thigh was just a few inches from mine. And then… he stretched.

Long, slow, overhead stretch. His tank lifted just enough to show his stomach, lean, defined, that thin happy trail that disappears beneath the waistband.

But it was what happened below that made my heart stop.

His dick, or at least what I think was his dick, shifted inside his boxers and fell with a soft thud down the inside of his leg. Not dramatically. Just… heavily. Like it had real mass.

I looked. Just a glance. A fraction of a second.

And then I looked again.

There was a clear outline against the fabric. Long, thick, almost halfway down his thigh. And the way it twitched, not hard, but definitely not small.

I froze.

My own cock was already pressing against my shorts, betraying me completely. I tried to adjust discreetly, but he noticed.

His eyes flicked down. Then up.

We locked eyes.

He didn’t speak. Just gave the smallest smirk, not smug, not cocky. Just enough to say: yeah, I saw you looking.

I swallowed. Looked away. Tried to focus on the movie. But I couldn’t tell you a single scene after that.

The air in the room had changed.

I shifted my leg, needing space. He didn’t move. I grabbed my beer. Took a sip I didn’t need. He leaned back even further, and his boxers rode up just slightly, showing more thigh.

I could feel my heart pounding.

And then, after what felt like an eternity of silence, he said it. Casual. Low voice. No inflection.

“You alright over there?”


Here is where you take over.

What happens next?
A. I panic and say something dumb
B. I laugh it off, but he asked if I’d ever seen one that big before
C. I tried to play it cool, but he stood up and everything shifted
D. I didn’t answer, so he leaned over and whispered something into my ear
 
I was hoping C would be the choice Bmagic


"I tried to play it cool, but he stood up and everything shifted"

“You alright over there?”

He said it like he didn’t already know.

I gave a half-laugh. The kind you make when you’re trying to reset the room.

“Yeah. Just… full from the pad thai.” I reached for my beer like it was an anchor.

Nate nodded slowly. He didn’t push, didn’t follow up. Just went back to watching the movie. But something about him felt different now, more present. More aware. Like he knew exactly what he was doing. Or maybe I was just projecting.

I tried to focus on the screen, but I couldn’t stop checking the corner of my eye.

That outline.

It was still there. Still hanging. Still impossible to ignore.

The room stayed quiet, except for the sound of a low-budget scream echoing from the TV. He shifted slightly, and the bulge moved with him, heavy, pendulous. Not erect. Just… there. Like it always took up space and he’d simply learned to live around it.

I forced my eyes up. Back to the screen.

Then he stood.

No warning. No announcement. Just pushed off the couch with a low grunt and stretched again, arms high, back arched, boxers riding even higher up his thighs.

And that’s when it happened.

His cock swung forward with the shift, I saw it happen, clearly this time. Not just an impression. A movement. A shape. Thick and long and absolutely real. It pressed against the front of his boxers, tugging the fabric forward like a weight in a hammock. You could see the head. Not sharply, but enough to know where it was. Enough to trace its outline.

He took a few steps toward the kitchen.

Every step was a bounce. A sway. The kind of motion that only comes with something truly heavy between the legs.

And I, like an idiot, sat there frozen, half-hard, pulse in my ears.

I watched him open the fridge. Grab a bottle of water. Tilt it back and drink, throat bobbing, boxers now clinging just a little tighter from the cold air.

He turned around and caught me looking again.

“Want one?” he asked, holding up the bottle.

I blinked. “Uh yeah. Sure.”

He walked back slowly. Handed it over. Sat down again, this time even closer than before. Our thighs brushed, just barely.

Neither of us said anything.

On screen, someone got murdered in the woods.

In real life, I was seconds away from leaking into my shorts.

He drank again. Then wiped his mouth with the back of his hand, like he’d just come in from a run. Relaxed, casual, like his dick wasn’t commanding all the attention in the room.

I caught myself staring again and tried to shift back.

But he didn’t move away.

He glanced at me. Not in an aggressive way. Just… assessing. Curious.

"You're a leg guy?" He asked.

It caught me off guard. “What?”

He nodded toward the TV. “You kept looking at that guy. He’s been shirtless the whole movie. I figured maybe you were into legs.”

I laughed, a little too fast. “Nah. Not really.”

He raised an eyebrow. “Huh. Then what were you looking at?”

The room fell quiet again.

And then, just as I opened my mouth to deflect, he shifted back, spread his legs slightly, and adjusted himself. Full palm, straight lift. Like he was moving furniture.

And when he let go… it dropped. Visibly. Back into place. Like it had weight.

We both sat there. The silence was thicker now.

I could feel myself throbbing inside my shorts, too afraid to move, too turned on to breathe properly.

Then he said:

"You ever seen one this big before?"


What happens next?
A. I tried to laugh it off, but he stood and pulled his boxers down just enough
B.️ I told him the truth, and he asked if I wanted a closer look
C️. I asked how big it actually was, and he gave me a number I couldn’t believe
D. I panicked and said I had to go… but he stopped me at the door
 
“I tried to laugh it off, but he stood and pulled his boxers down just enough.”

“You ever seen one this big before?”

I laughed.

Or tried to. It came out nervous, shaky, too thin to be convincing. I opened my water bottle and took a sip to buy time. My hand was trembling slightly.

“Uh… depends what you mean by big,” I said, voice too high.

He didn’t answer. Just watched me. Calm. Curious. Like he was letting me squirm for a moment before deciding what came next.

I kept my eyes on the screen, but I wasn’t watching anymore.

Out of the corner of my vision, I could see him shifting. He leaned forward, elbows on knees. Then he stood again.

And this time, there was purpose to it.

He stepped slightly to the side, not toward the kitchen, but directly in front of the TV, blocking the screen.

I looked up, confused, and before I could say anything… he hooked both thumbs into the waistband of his boxers.

My heart stopped.

He didn’t yank them down. That would’ve been too easy. Too fast. Instead, he pulled them forward, just a few inches. Just enough to give me a peek. A hint. A glimpse.

And there it was.

Thick, long, and heavy, hanging down past where the fabric used to rest. Uncut. Half-hard, maybe. Maybe not. It was hard to tell when something looked like that just on its own.

It curved slightly to the left. Veins visible even in the low light. The head was broad, swollen, with that flushed sheen that makes your mouth go dry.

He didn’t say a word. Just let me look.

I was frozen.

I could feel my cock pulsing, leaking, aching inside my shorts. I didn’t dare move. I didn’t want to move. My eyes were locked, memorizing every inch I could see, every shadow, every movement.

Then he let the waistband snap back into place.

The whole thing shifted again. Heavy. Like dropping a thick cable into a gym bag.

And finally, he looked down at me and said:

"Still depends?"

I didn’t answer.

He smirked. Just a little. Like he knew he’d taken control of the moment. Like he was enjoying the fact that I couldn’t even pretend to play it cool anymore.

Then, as casually as if nothing had happened, he sat back down beside me. Even closer this time.

Our thighs touched.

His arm brushed mine.

And that cock, still hidden but very much there, was now just inches from my leg.

We sat in silence for a long minute.

Then he said:

"If you want to see the rest... all you have to do is ask.

What Happens Next...
A. I asked to see it, and he pulled it out right there on the couch
B. I asked to touch it, and he leaned back, arms behind his head
C. I said nothing, so he reached over and placed my hand on it himself
D. I couldn’t speak, and he stood up again, this time letting it fall all the way out
 
“I said nothing, so he reached over and placed my hand on it himself.”

“If you want to see the rest… all you have to do is ask.”

That’s what he said.

And I didn’t say anything.

I couldn’t.

My throat was tight. My mouth was dry. My heart was pounding in my ears so loudly I couldn’t hear the movie anymore. Every part of me was buzzing, not just arousal, but the surreal realization that this was actually happening.

He waited.

Let the silence stretch.

And then, with the same calm, quiet confidence he’d had all night, he reached over and took my wrist.

Not forcefully. Not rushed.

Just… like it was inevitable.

His fingers closed around mine, warm and steady, and he guided my hand toward his lap.

I didn’t pull away.

I couldn’t.

My fingers brushed the fabric of his boxers. I felt heat, and pressure. And then, with the slightest nudge, he pressed my palm flat against it.

It was… unreal.

Even through the fabric, I could feel it. The thickness. The length. The way it curved upward slightly, resting along his thigh like it had claimed the space years ago. He let me feel the weight of it, heavy, solid, completely unbothered.

I didn’t breathe.

My hand just stayed there, barely moving. Not squeezing, not stroking, just feeling. Taking in the fact that I was touching the biggest cock I’d ever encountered. That he wanted me to. That he had made the first move.

I looked up.

He was watching me. Not smirking this time. Just quiet. Intent. Like he was waiting to see what I’d do next.

The tension between us was thick.

I moved my thumb slightly, tracing along the ridge I could feel beneath the boxers. He twitched. Just once. Enough to make me jump, and then he smiled.

"You're not as subtle as you think," he said.

I started to pull my hand back, embarrassed. But he didn’t let me.

His hand stayed over mine, holding it there. Pressed gently down.

"If you're gonna touch it you should really touch it."

Then he let go.

And waited.

What Happens Next
A️ I slid my hand into his boxers, and felt just how big he really was
B️ I leaned down without a word, and put my mouth on him
C I asked him to take it out for me, and he did, slowly
D I froze, and he reached in himself and pulled it all the way out
 
Very hot! Option D!

“I froze, and he reached in himself and pulled it all the way out.”

I didn’t move.

My hand was still pressed flat against him, fingers curled slightly, feeling the steady pulse beneath the fabric. Every part of me was tense, not from fear, but from overload. Heat, pressure, disbelief.

I couldn’t look away.
I couldn’t lean in.
I just… froze.

He noticed.

And instead of pulling away or breaking the tension with a joke, he did something else.

He reached down, slid his hand beneath mine, and slipped his fingers under the waistband of his boxers.

He didn’t rush.

His eyes stayed on mine, steady, quiet, like he was giving me a chance to stop him. Like he knew I wouldn’t.

Then he pulled it out.

There was no other word for it. It didn’t flop or spring or pop ,it unfolded. Like it had been waiting. Like it took time just to fit in his hand.

Thick. Long. Heavy.

It curved up slightly toward his stomach, the shaft wide and textured with veins, the head flushed and full, not quite hard, not quite soft. That beautiful, teasing middle ground. The kind that makes you ache.

And it just kept going.

Each second exposed more of it. He adjusted his hips, letting the fabric fall away completely, until it was resting on his thigh. Fully out. Fully real. Unapologetic.

I stared.

My mouth might’ve dropped open. I honestly don’t remember.

It was the kind of dick that doesn’t just make you horny, it makes you question things. How it fits. How it feels. What it would be like to hold it properly. To stroke it. To watch it swell. To feel it slap against your chest. Or tongue.

He looked down at it, then back at me.

"Still want to pretend you're not curious?"

I didn’t answer.

Couldn’t.

He gave it one slow stroke, base to tip, like he was showing me what it needed.

And then he leaned back into the couch, arms spread lazily along the top cushions, his monster cock resting like it belonged there.

Waiting.

What Happens Next?

A I finally spoke, and asked if I could taste it
B I reached out and started stroking it without a word
C I climbed onto my knees on the floor, and he nodded silently
D I stayed frozen, and he gave me a command I wasn’t expecting
 
Oh definitely D at this point. I really like this interactive story telling lol
 
“I froze, and he reached in himself and pulled it all the way out.”

I didn’t move.

My hand was still pressed flat against him, fingers curled slightly, feeling the steady pulse beneath the fabric. Every part of me was tense, not from fear, but from overload. Heat, pressure, disbelief.

I couldn’t look away.
I couldn’t lean in.
I just… froze.

He noticed.

And instead of pulling away or breaking the tension with a joke, he did something else.

He reached down, slid his hand beneath mine, and slipped his fingers under the waistband of his boxers.

He didn’t rush.

His eyes stayed on mine, steady, quiet, like he was giving me a chance to stop him. Like he knew I wouldn’t.

Then he pulled it out.

There was no other word for it. It didn’t flop or spring or pop ,it unfolded. Like it had been waiting. Like it took time just to fit in his hand.

Thick. Long. Heavy.

It curved up slightly toward his stomach, the shaft wide and textured with veins, the head flushed and full, not quite hard, not quite soft. That beautiful, teasing middle ground. The kind that makes you ache.

And it just kept going.

Each second exposed more of it. He adjusted his hips, letting the fabric fall away completely, until it was resting on his thigh. Fully out. Fully real. Unapologetic.

I stared.

My mouth might’ve dropped open. I honestly don’t remember.

It was the kind of dick that doesn’t just make you horny, it makes you question things. How it fits. How it feels. What it would be like to hold it properly. To stroke it. To watch it swell. To feel it slap against your chest. Or tongue.

He looked down at it, then back at me.

"Still want to pretend you're not curious?"

I didn’t answer.

Couldn’t.

He gave it one slow stroke, base to tip, like he was showing me what it needed.

And then he leaned back into the couch, arms spread lazily along the top cushions, his monster cock resting like it belonged there.

Waiting.

What Happens Next?

A I finally spoke, and asked if I could taste it
B I reached out and started stroking it without a word
C I climbed onto my knees on the floor, and he nodded silently
D I stayed frozen, and he gave me a command I wasn’t expecting
D
 
“I stayed frozen, and he gave me a command I wasn’t expecting.”

He leaned back, arms spread across the couch, cock fully exposed, thick, long, resting on his thigh like a challenge.

And I just sat there.

Frozen.

My pulse was pounding, my throat was dry, and I didn’t even realize I was holding my breath until he exhaled, slow, patient, confident.

Then he looked at me, calm, steady, and said:

"Take your shorts off"

Just like that.

No grin. No teasing. No question mark.

A statement.

The kind that doesn’t need to be repeated because it knows what’s going to happen next.

I blinked. Hesitated. My hands stayed planted on my thighs, unsure if I was even hearing him right.

He didn’t flinch. Didn’t lean forward. Just stayed relaxed, that huge cock laying across his leg, slowly starting to swell under its own weight.

"You've been staring since day one," he added.
"Might as well do it properly."

I swallowed.

Some part of me was still fighting for control. Trying to play it cool, like this wasn’t the hottest thing that had ever happened to me. But the rest of me, my body, my cock, the heat rushing through every nerve, had already given in.

I stood up slowly.

Hooked my thumbs into the waistband of my gym shorts.

And slid them down.

My own cock sprang free, hard, flushed, dripping. The contrast was instant and humbling. His looked heavier, even soft. Thicker. Lazier. Like it wasn’t trying and still made mine look like a warm-up.

He watched.

Didn’t say a word.

Let his eyes move slowly from my cock to my face.

Then, finally, he nodded once.

"Kneel."

What happens Next?

A️ I dropped to my knees, and waited for his next command
B I hesitated, and he pressed his cock against my cheek until I obeyed
C I knelt down, and he fed it to me inch by inch
D I obeyed, but asked him to tell me exactly what he wanted
 
I obeyed, but asked him to tell me exactly what he wanted

I lowered myself to the floor.

The rug was rough under my knees, but I barely noticed. My eyes stayed fixed on him, sprawled across the couch, relaxed, that massive cock now half-hard and glistening with the faintest trace of pre-cum. It pulsed with each breath he took.

I was fully exposed now. Hard. Kneeling. The warm air against my skin felt sharp, electric.

I looked up at him, at Nate, my roommate, the guy who used to walk around in hoodies and disappear into his room like he didn’t notice me watching him.

And I asked:

"What do you want me to do?"

His eyes narrowed slightly. Not in confusion, in focus. Like that was the question he’d been waiting to hear.

"Everything," he said.

But then he sat forward, leaned down a little, and clarified:

"Start with your tongue. Slow. No hands yet."

My cock twitched.

He didn’t break eye contact. Just leaned back again and opened his legs slightly wider, that monster cock now pointed lazily toward my face.

"And don't stop until i say."

My whole body tensed. Not with fear, with surrender. With anticipation. With the thrill of knowing this wasn’t just going to be a one-time thing. This wasn’t casual. He was taking over, and I wanted it.

I leaned in.

Close enough to feel the heat radiating off of him. Close enough to smell his skin, clean, slightly musky, intoxicating.

My tongue hovered just above the base.

I looked up one last time, one more chance to stop, to ask again.

He didn’t speak.

Just nodded, once.

"Go ahead."

What Happens Next?

A I started slow, licking the base, and he guided me without a word
B I ran my tongue up the shaft, and he moaned for the first time
C I teased the head, and he grabbed a fistful of my hair
D I hesitated, so he pressed it against my lips and took control