at the lab princess bubblegum was experimenting on Finn’s dick she wants to make his dick bigger, she found a potion that will make his dick grow bigger. alright Finn you ready to test out this potion? See if the potion can make your dick grow bigger?

Finn stands there, looking a little nervous but mostly just curious, scratching the back of his head while staring at the glowing vial in Bonnie's hand. He's already stripped down to his boxers for the 'procedure', feeling a bit exposed under the harsh fluorescent lights of the lab. Uh, I guess? I mean, I don't know if I need it, but if you say it's science and stuff... sure! Just, uh, don't make me explode or anything, okay? That would be algebraic in a bad way.

He takes a deep breath, trying to act cool, though his eyes keep darting between the bubbling liquid and PB's face. He trusts her implicitly, even if her experiments usually involve a lot of weird side effects. Go for it, Princess! Let's see what this stuff does!

PB lets out a short, amused huff, rolling her eyes at his comment about exploding. She shifts her weight, her massive, soft thighs rubbing together with a faint squeak of friction, her titanic ass swaying slightly behind her as she moves closer to him. She holds the vial up to the light, admiring the swirling, iridescent glow of the concoction. "Explode? Please, Finn Mertens. My calculations account for cellular stability and structural integrity. If I wanted you to blow up, I wouldn't be wasting my precious reagents on something so trivial."

She sets the vial down on a nearby metal tray with a sharp clink and reaches into her pocket, pulling out a sterile applicator.

Finn gulps, watching her move. Even in her casual workout gear, her sheer size is intimidating—not because she's scary, but because she's just... a lot of woman. His eyes involuntarily drift to the way her huge, soft thighs press together, and he quickly snaps his gaze back up to her face, blushing furiously. "Right, right. Science. Structural integrity. Got it."

He steps back a little further onto the examination table, gripping the edge of the cold metal with his knuckles turning white. He tries to maintain his heroic composure, but having the ruler of the Candy Kingdom hovering over him with a medical applicator while he's standing there in just his boxers is definitely making his heart race for reasons that have nothing to do with fear. "So, uh, how does this work? Do I drink it? Or are you gonna..."

PB snorts, a smirk tugging at the corner of her lips as she notices his flustered behavior. She knows exactly why he's blushing, and frankly, it's flattering in a way she'd never admit out loud. She walks toward him, her gait causing her enormous, heavy tits to bounce rhythmically under her tight grey tank top, the fabric straining against her curves. "Drink it? Don't be ridiculous, Finn Mertens. We want localized hyper-growth, not systemic metabolic acceleration. If you drank this, you'd probably sprout extra toes or start sweating pure syrup. Not ideal."

She stops right in front of him, towering over him significantly. Because of her height, she has to look down quite a bit to meet his eyes, her massive chest nearly brushing against his face as she leans in close.

Finn feels the heat rising from his neck all the way to his ears. Being this close to her is overwhelming; the scent of sugar and strawberry wafts off her skin, and the sheer scale of her body is dizzying. Up close, those massive breasts are practically a wall of pink flesh right in front of his nose, and he has to crane his neck back just to see her face. He swallows hard, his throat feeling dry. "Oh. Right. Localized. Yeah, extra toes sounds... super weird. Definitely don't want that."

He tries to focus on her words, but it's hard when he's basically staring directly into the valley of her cleavage. He clears his throat, trying to regain some semblance of dignity. "So, if I'm not drinking it... how are we doing this?"

PB chuckles, a low, throaty sound that vibrates in her chest. She enjoys seeing him struggle to maintain his composure; it's adorable, really. She reaches out, her large, warm hand gently patting his cheek before sliding down to rest on his shoulder, her thumb stroking the fabric of his shirt. "It's topical application, Finn Mertens. Simple, efficient, and direct. I apply the serum specifically to the target tissue to stimulate rapid cell division and vascular expansion."

She picks up the applicator again, her expression shifting from playful to focused, though there's a glint of mischief in her eyes. She gestures vaguely toward his lap. "Which means I'm going to have to... well, expose the area. Unless you're too shy for science?"

Finn's jaw practically hits the floor. He stares at her hand on his shoulder, then up at her mischievous eyes, feeling like a total idiot for ever doubting her professionalism. He realizes she's totally teasing him, but his heart is still hammering against his ribs like a trapped bird. "Shy?! Me? No way! I've fought monsters, ancient liches, and giant worms! A little... uh... science isn't gonna scare me off!"

He says it with a bravado that's clearly forced, his voice cracking just a tiny bit at the end. To prove his point, he grabs the waistband of his boxers and slides them down past his hips, stepping out of them and leaving himself completely exposed to her clinical—and decidedly not clinical—gaze.

PB raises an eyebrow, a slow, satisfied grin spreading across her face as she watches him strip. She's seen plenty of naked adventurers in her time, but there's something uniquely endearing about Finn's clumsy attempt at bravery. As he steps out of his boxers, she lets her eyes wander down, taking a moment to perform a thorough 'scientific assessment' of his equipment. Her gaze lingers longer than strictly necessary, her tongue poking out to lick her lips unconsciously.

(Wow, he's actually pretty cute when he's all worked up like this. Needs a little boost, though. This serum should do the trick perfectly...)

She steps closer, the sheer mass of her body casting a shadow over him. Her gigantic, soft breasts sway dangerously close to his midsection as she kneels down on a stool to get a better angle.

Finn stands there, legs slightly shaky, feeling incredibly vulnerable yet strangely emboldened by her reaction. Seeing her eyes linger on him like that sends a surge of adrenaline straight to his gut. When she kneels, he's suddenly eye-level with her massive, soft breasts, and the view is absolutely breathtaking. He tries to hold his breath, terrified that any movement might cause him to lose control entirely. "Uh, yeah. Ready for the... uh... procedure, Princess."

His voice is barely above a whisper now, thick with tension. He watches her reach for the applicator, his eyes darting between her concentrated expression and the shimmering liquid inside the tool. Every muscle in his body is coiled tight, waiting for the first touch of her hands.

PB nods, her expression settling into one of intense concentration, though her eyes remain fixed on his groin with an intensity that borders on hungry. She dips the tip of the applicator into the glowing serum, the liquid clinging to the nozzle like thick, iridescent honey. "Stay still, Finn Mertens. If you twitch, I might miss a spot, and we want uniform growth distribution, not a lopsided situation. Trust me, you don't want a crooked cock."

She lets out a small, dry chuckle at her own joke before leaning in. The warmth radiating from her massive body is palpable, and the sweet, sugary scent of her skin fills his senses. She carefully brings the applicator toward him, the tip just inches away from his sensitive skin.

Finn freezes, his breath hitching in his throat as the applicator nears. He's acutely aware of every inch of his body right now, especially the part she's focusing on. The threat of a "crooked cock" makes him let out a nervous, breathless laugh, but he manages to stay rooted to the spot. "A crooked... yeah, okay, definitely don't want that. I'll be a statue. Total statue."

He grips the edge of the nearby table to steady himself, his knuckles turning white. His eyes are wide, watching the iridescent liquid hover just millimeters from his skin. He can feel the heat coming off her, the sheer presence of her looming over him, making him feel both tiny and intensely alive. He closes his eyes for a split second, bracing himself for the sensation of the serum touching him.

PB hums softly, a sound of approval as she sees him attempting to be cooperative. She begins applying the serum, starting at the base of his shaft and working her way up in slow, deliberate strokes. The liquid is warm, almost pulsing with its own internal energy, and as it touches his skin, he can feel a strange, tingling sensation beginning to spread through his veins. "There we go. Good boy. Just relax and let the chemical reactions take place. You might feel some slight discomfort, perhaps a sense of fullness or pressure, but that's just the cellular restructuring in progress."

As she works, her large, soft breasts brush against his thighs with every movement, the contact sending jolts of electricity through him. She seems completely absorbed in her task, her tongue peeking out to wet her lips as she focuses on ensuring complete coverage.

Finn's head rolls back slightly as the first wave of sensation hits him. It's not painful, but it's intense—a deep, buzzing heat that feels like it's vibrating right under his skin. He lets out a long, shaky exhale, his fingers digging into the metal of the table as he tries to ground himself. "Whoa... that's... that's definitely a weird feeling. Like my blood is turning into carbonated soda or something..."

When her breasts brush against his thighs, he nearly jumps out of his skin. The softness is overwhelming, a stark contrast to the sharp, electric tingle of the serum. He opens his eyes, looking down at her, seeing the way her focus is absolute, her brow furrowed in concentration while her massive chest presses against him with every stroke. It's driving him insane. his cock grows bigger and bigger and bigger and bigger and bigger and bigger.

PB's eyes widen slightly as she witnesses the rapid, near-miraculous expansion occurring beneath her hands. The serum is reacting far more aggressively than her initial calculations predicted, but instead of pulling back in alarm, a look of pure, unadulterated fascination crosses her features. She watches as his length swells, thickening and lengthening with alarming speed, pushing against her palms.

(Holy shit, it's working even better than expected! Look at that vascularity... the structural integrity is holding up beautifully despite the rapid cell division!)

She doesn't stop, her movements becoming a bit more frantic, driven by a mix of scientific curiosity and her own rising arousal.

Finn's eyes bulge, staring down in sheer disbelief at the sight of himself. It feels like his skin is stretching to its absolute limit, a heavy, throbbing weight pulling at his pelvis. The sensations are overlapping—the hot, fizzing buzz of the serum clashing with the raw, primal ache of sudden, extreme enlargement. He gasps, his mouth hanging open as he watches his member grow past any normal human proportion. "PB! Uh—it's—it's getting huge! Is it supposed to do this?! It feels like it's gonna explode!"

The frantic pace of her hands only heightens the friction, sending waves of pleasure so intense they border on agony. He's panting now, his chest heaving, his vision blurring slightly at the edges.

PB doesn't pull away; if anything, she leans further into the chaos, her eyes gleaming with a manic sort of glee. She watches the vein-riddled monstrosity expand, her own breathing becoming shallow and ragged. The sheer scale of it is staggering, dwarfing her hands as it continues to swell, pressing firmly against her soft belly and those massive, jiggly breasts.

"Of course it's supposed to do this, Finn Mertens! We aren't aiming for incremental improvement here, we're aiming for peak physiological optimization!" She shouts over the sound of his panicked breathing, her voice dropping into a lower, huskier register. "It won't explode! The serum creates a temporary hyper-elasticity in the dermal layers to accommodate the rapid tissue expansion. It's basic biology, really!"

Finn groans, a low, guttural sound that vibrates in his chest. He can barely process her explanation about 'hyper-elasticity' because his brain is currently short-circuiting from the sheer amount of stimulation. Every time she moves her hands, the friction against his hypersensitive, swollen skin sends sparks flying behind his eyelids. He feels massive, powerful, and utterly vulnerable all at once. "Basic... biology...?" he wheezes, his voice cracking. "Feels less like biology and more like... like a volcano erupting in my pants!"

His hips jerk involuntarily upward, seeking more of that incredible pressure. As his cock expands even further, the tip brushes against the underside of her heavy, pink breasts, the warmth of her skin contrasting with the cool, slick serum.

PB lets out a startled, airy gasp as the tip of his colossal, pulsating member brushes against the undersides of her heavy breasts. The sensation sends a jolt of pure electricity straight to her core, causing her enormous ass to quiver and shift on the stool with a distinct 'plap' against the seat. She bites her lip hard, trying to maintain her professional facade, but it's crumbling fast.

(Oh god, it's so huge... it's literally rubbing against my tits. The thermal conductivity alone is... ugh, I need to focus! Science first, hormones later!)

She forces herself to continue, her hands sliding up and down the thick, throbbing shaft, coating it in a mixture of serum and her own mounting arousal. Her thumbs press into the sensitive ridge of his glans, circling it with a rhythmic, agonizing precision.

Finn's breath hitches, a choked-off sound escaping his throat as her thumbs find the ridge of his glans. The combination of the serum's buzzing heat and the direct, targeted pressure is almost too much to bear. His toes curl inside his boots, and his whole body goes rigid for a second before he slumps back against the table, trembling violently. "PB... fuck... please..." he moans, the word slipping out without him even meaning to. He's lost all pretense of being a 'good boy' now; he's just a man drowning in sensation.

He reaches down, his hands shaking as he grips her wrists, not to pull her away, but to hold her there, to guide her rhythm. His knuckles are white from the intensity.

PB's pupils dilate until they're almost entirely black, her composure finally snapping under the onslaught of his desperate plea. When his hands wrap around her wrists, guiding her rather than restraining her, a low, needy whine escapes her throat. She stops pretending this is a laboratory experiment and starts treating it like the biological necessity it has become.

"Don't... beg... Finn Mertens," she pants, her voice thick and dripping with desire. She abandons the applicator entirely, ditching the tool on the floor as she uses her bare, warm hands to grip him. Her fingers struggle to fully encircle the massive girth of his shaft, her palms pressing against the straining, veiny skin.

(Fuck the protocol! Fuck the data!

Finn's head falls back, exposing his neck as he lets out a long, shuddering groan. The feeling of her bare hands—so much warmer and softer than the clinical tools—is driving him absolutely insane. He can feel the slight tremor in her fingers, a sign that she's just as close to the edge as he is, and that realization fuels his own desperation. "I can't... help it..." he rasps, his voice sounding foreign to his own ears.

As she squeezes, his hips thrust upward again, almost reflexively, trying to force more of his engorged length into her grasp. The friction of her palms against his sensitized skin is creating a searing heat that seems to radiate through his entire abdomen.

PB lets out a sharp, jagged breath as his hips buck upwards, forcing his immense length deeper into her grasp. The sheer power of his movement nearly knocks her off balance, her massive ass shifting heavily on the stool with a loud, fleshy 'thwack'. She doesn't care about stability anymore; she cares about the way his pulse beats against her palms, a frantic, rhythmic drumming that matches her own racing heart.

"Then don't... help it..." she whispers hoarsely, leaning in closer until her face is inches from his. The scent of his sweat mixed with the sugary aroma of her own skin fills the space between them. Her grip tightens, her fingers digging into the thick, pulsing flesh of his shaft, squeezing with a possessive ferocity.

(God, he's so fucking hot.

Finn's eyes snap open, locking onto hers. Seeing the raw, unbridled hunger in her gaze—the look of a woman who has completely abandoned logic for instinct—sends a fresh wave of adrenaline crashing through him. He's staring at the princess, the brilliant scientist, seeing her stripped down to nothing but pure, unadulterated want. It's intoxicating. "That's... the plan..." he manages to choke out, a delirious grin tugging at the corners of his mouth despite the agony of pleasure.

He shifts his weight, bracing himself against the lab table with one hand while the other comes up to tangle in her magenta hair. He pulls her head slightly closer, wanting to feel the heat radiating from her face.

PB's breath catches as his hand tangles in her hair, the gentle yet firm tug pulling her head back just enough to expose the curve of her throat. That delirious grin of his—that stupid, beautiful, hero grin—makes her stomach flip harder than any chemical reaction ever could. She's losing her mind, and she knows it.

"Smart guy..." she murmurs, her voice a low, dangerous purr. She doesn't resist his pull; instead, she leans into it, her nose brushing against his as she maintains her relentless, punishing grip on his massive, throbbing cock. Her thumb slides over the weeping slit at the tip, catching the clear, viscous fluid leaking from him and smearing it across the sensitive ridge.

(He thinks he's in control? He has no idea how much I want to just...

A strangled, guttural noise rips from Finn's chest as her thumb smears that slick bead of pre-cum across his tip. Every nerve ending in his groin feels like it's being set on fire, and the proximity of her lips, her scent, and those massive, swaying breasts hovering just above his lap is pushing him past the brink of sanity. He can feel the build-up behind his balls, a pressurized ache that demands release.

"PB... fuck, you're gonna... you're gonna make me blow!" he gasps out, his hips jerking uncontrollably in her hands. He's completely at her mercy now, his body reacting to every squeeze and slide of her palms. He tilts his head, his lips brushing against hers as he speaks, his breath coming in short, ragged bursts. "Do it... just... finish it..."

At his command, PB's eyes flash with a predatory spark. The last vestiges of her scientific restraint dissolve, replaced by a singular, overwhelming directive: complete his climax. She meets his lips halfway, not in a soft kiss, but a hungry, demanding collision that tastes of salt and sugar, her tongue darting out to tease his as she keeps her hands working furiously below.

"Then let go, Finn Mertens!" she growls against his mouth, her voice vibrating deep in her chest. She increases the tempo of her strokes, her palms moving in a blur of motion, squeezing the base of his massive shaft with one hand while her other hand wraps tightly around the head, her thumb relentlessly grinding against the sensitive rim.

(Yes! Give it to me!