Chapter 18: The Echidna's New Uniform
The air in the closet was stale, thick with the smell of clean laundry and dust. It was a cramped space, made claustrophobic by the sheer volume of clothing Knuckles had burst through. Discarded sweaters, their seams torn wide, lay in piles like shed skins. Half-unpacked boxes of even larger sizes, ordered online in a fit of denial, were stacked against the back wall.
Tails knelt on the floor, a fresh XXXL black t-shirt stretched between his hands. It was the fourth one. The first three lay in tattered ruins around him, cotton casualties of Knuckles’s impossible girth.
Knuckles stood in the middle of the chaos, a mountain of flushed, tan fur and solid fat. His chest was a barrel, draped with heavy pectorals that rested on the domed shelf of his stomach. His arms, thick with new weight, strained against the very air. He looked down at Tails, his breath a low, steady rumble in the confined space.
“Just pull it,” Knuckles said, his voice devoid of patience.
Tails took a shaky breath. He stood up, the shirt held open. “Arms up.”
Knuckles grunted, lifting his massive arms with visible effort. Tails guided the neck hole over Knuckles’s head. It went on, but just barely, stretching taut over the broad slope of his skull. Then came the real fight. Tails had to tug the fabric down over Knuckles’s shoulders, which were now wide, rounded mounds of muscle and fat. The shirt resisted, the seams screaming.
“C’mon, fox,” Knuckles growled, shifting his weight. The floorboard creaked.
Tails pulled harder, his own softer body straining. He got one sleeve down over Knuckles’s thick bicep. The other side bunched, stuck. He yanked. A sharp, sickening rrrrrip echoed in the closet. A long tear opened from the collar down the front, revealing a slice of Knuckles’s furry, heaving belly.
Silence.
Knuckles looked down at the tear, then at Tails. His expression was unreadable. “Try harder.”
Tails’s shoulders slumped. He let the ruined shirt fall. He grabbed the next one, a grey one. The process repeated: the struggle, the straining fabric, the grimace on Knuckles’s face as the material compressed his chest. This one made it further. Tails was sweating, his paws slipping on the cotton as he tried to force it over the widest part of Knuckles’s back. He pulled, teeth gritted.
Rrrrip.
Another failure. The shirt split under the arm, a fatal wound.
“God dammit,” Tails whispered, more to himself than to Knuckles.
“What was that?” Knuckles’s voice was dangerously soft.
“Nothing.”
“Try again.”
The third shirt, dark blue, was the biggest. It promised ‘4XL Relaxed Fit.’ It was a lie. Tails went through the motions, his movements becoming robotic, desperate. He knew how this would end. He could see the threads straining, individual fibers reaching their limit as the fabric tried to contain Knuckles’s back. He gave one final, mighty tug.
The sound this time was a chorus of pops and rips, a full fabric surrender. The shirt split open down the back seam, falling from Knuckles’s body like a shedding cocoon.
Tails stood there, empty-handed, breathing hard. He stared at the wall of flesh before him. Knuckles’s back was a landscape of rolling hills, his fur damp with sweat. The curve of his spine was buried under soft, dense fat. His sides spilled over the waistband of his straining sweatpants. He was monumental. Impervious.
“They don’t fit,” Tails said, the words hollow.
“No shit.” Knuckles didn’t turn around. He just stood there, letting Tails look. “You know what does fit?”
Tails didn’t answer. He knew.
“Your hands,” Knuckles said, finally turning. His face was flushed, his eyes dark. “Your mouth. That’s all that fits me now. That’s all I need.”
He reached out, a massive paw closing around the back of Tails’s neck, not to hurt, but to possess. He guided Tails down, applying gentle, undeniable pressure until Tails was back on his knees, his face inches from Knuckles’s stomach.
The smell was immediate: hot fur, musk, the faint, sweet-sour tang of dried sweat. Knuckles’s belly hung like a planet, the navel a deep, shadowed crater. It was covered in a fine layer of red-tan fur, soft to the touch but stretched tight over the incredible mass beneath.
“Go on,” Knuckles murmured, his other hand coming to rest on the crest of his gut. “Worship it. You made it.”
Tails’s breath hitched. The shame was a cold spike in his gut, but it was immediately, overwhelmingly, flooded by a wave of dizzying heat. He leaned forward, pressing his cheek against the warm, dense curve. It was overwhelmingly solid. He nuzzled into it, inhaling Knuckles’s scent, and a low, helpless moan escaped his lips.
“That’s it,” Knuckles praised, his fingers threading through Tails’s bangs. “You love it. You’re a sick little fuck, aren’t you? You love that I’m a fat fucking monster.”
Tails didn’t deny it. He couldn’t. He turned his head and pressed his open mouth against the skin, kissing the stretched fur. He licked a stripe upwards, tasting salt and power. His paws came up, not to push away, but to cradle the massive swell, to feel the immense weight fill his hands.
Knuckles groaned, a deep, visceral sound that vibrated through his body and into Tails’s mouth. “Yeah. Use your tongue. Show me how much you fucking love my gut.”
Tails obeyed, worshiping with a desperate, focused hunger. He kissed, licked, and nuzzled every inch he could reach, his mind dissolving into the sensation of softness over granite-like firmness. He was hard, achingly so, trapped in his own pants.
Knuckles pushed his sweatpants and boxers down with one hand, his cock, already thick and heavy, springing free. It rested against the underside of his belly. “Get your mouth on that too,” he ordered, his voice rough. “You’re gonna service all of me.”
Tails shifted, moving lower. He took Knuckles into his mouth, the familiar weight and taste flooding his senses. He bobbed his head, one hand still kneading the soft fat of Knuckles’s hip, the other supporting himself on the floor.
Knuckles threw his head back, panting. “Fuck, yes. Just a good little feeder-fuck. That’s all you are.” He began to thrust, shallowly at first, then deeper, fucking Tails’s mouth with a steady, relentless rhythm. The closet filled with the wet, sucking sounds and Knuckles’s guttural grunts.
“Look at me,” Knuckles snarled.
Tails opened his eyes, looking up the vast expanse of furred belly, up the heavy chest, to meet Knuckles’s fiery gaze.
“Remember the video?” Knuckles said, his hips never stopping. “Remember what you sound like when I’m inside you?”
Tails whimpered around him, the memory flashing—his own high-pitched cries, the brutal slapping of flesh.
“I think about posting it every day,” Knuckles continued, his voice a dark, thrilling rasp. “I think about everyone seeing you take it. Seeing what a greedy, fat-loving slut you are.” He grabbed Tails’s head with both hands, controlling his movements now, fucking his mouth with deeper, more brutal strokes. “You’d like that, wouldn’t you? To be known as my little pig?”
Tails’s body convulsed with a sudden, unexpected orgasm, his moans muffled, his own release soaking through his pants. The degradation, the ownership, the sheer physical reality of Knuckles—it was too much. He came undone.
The sensation of Tails clenching and moaning around him pushed Knuckles over the edge. With a final, powerful thrust that made Tails gag, Knuckles came, hot and pulsing down his throat. He held Tails there, spasming, until he was spent.
He pulled out, a string of saliva and seed connecting them for a moment before it snapped. Tails slumped back against a box, chest heaving, face a mess.
Knuckles looked down at him, spent but triumphant.