
Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/5895241.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      Prince_of_Stride:_Alternative_(Anime)
  Relationship:
      Kamoda_Kei/Kamoda_Yuu
  Character:
      Kamoda_Kei, Kamoda_Yuu
  Additional Tags:
      Established_Relationship, Sibling_Incest, No_Plot/Plotless, Plot_What
      Plot/Porn_Without_Plot, Jealousy, Possessive_Behavior, Facials, Hand
      Jobs, Face-Fucking, Dom/sub_Undertones, Unhealthy_Relationships
  Stats:
      Published: 2016-02-20 Words: 2715
****** Jealous ******
by tastewithouttalent
Summary
     "'I don’t care about the information,' Kei growls. 'I care that he
     was touching you.'" Heath flirts with everyone, including Yuu, and
     Kei gets possessive.
“I hate that Heath guy,” Kei says, mumbling the words against Yuu’s neck at the
juncture of his collarbone and throat. “He’s always so friendly.”
“There’s nothing wrong with being friendly,” Yuu points out, though the words
are more than a little slurred; he’s speaking more for the appearance of the
thing than the coherency of it, offering a protest that is as weak as his
protests for his brother always are. They barely made it home from the race,
are still pressed against the shut door of Yuu’s bedroom; Yuu is grateful to
the empty house saving them from the need to pretend calm, grateful for the
allowance it granted Kei to close his hold on Yuu’s wrist and drag him bodily
up the stairs and into the retreat of his room. “I wasn’t going to tell him any
information.”
“I don’t care about the information,” Kei growls. His teeth catch Yuu’s skin,
bite divots of bruising into the line of the other’s throat, and Yuu shudders
with the rush of sensation that comes with the pressure, his breath rushing out
of his lungs in a gasp as silent as it is hot. “I care that he was touching
you.”
“He didn’t mean anything by it,” Yuu says, but he’s smiling without meaning to,
his lips curving of their own accord at the rumble of anger under Kei’s voice,
at the vicious possessiveness working itself into a shadow in the back of his
brother’s throat. “He flirts with everyone, it’s not just me.”
“I don’t like it,” Kei says, still hissing the words against Yuu’s skin, inside
the unzipped collar of his jacket and against the thud of his racing heartbeat.
His fingers find their way to Yuu’s waist, tighten hard against the other’s
hip; Yuu’s back arches involuntarily, pressing his weight forward against the
resistance of Kei’s body, and Kei growls again, sounding raw and satisfied by
the pressure. “I’m the only one who gets to touch you like that.” His teeth
catch at Yuu’s skin, punctuating the statement with a surge of pain; Yuu’s head
goes back, his lungs flexing hard on a soundless rush of air, and Kei’s other
hand catches at his hip to bracket his forward arch, to drag him in flush
against the tension trembling all through Kei’s body. The pain eases, the sharp
tear of breaking skin giving way to a throbbing ache of hurt, and Kei sucks
against Yuu’s throat to catch the blood while Yuu clutches at Kei’s shoulders
in a desperate attempt to keep on his feet while his legs try to dissolve under
him.
“Yes, Kei,” he breathes, and turns his head in without thinking, tracking the
motion of Kei’s mouth at his skin with a reflexive attempt at a kiss. “Just
you.”
“Yes,” Kei says, and finally moves away from Yuu’s throat to catch his mouth
instead. Yuu parts his lips on contact with Kei’s, offering the heat of his
mouth for his brother’s taking, and Kei takes, licking in past the tremble of
Yuu’s lips and catching the heat of the other’s mouth at his tongue. He takes
faintly of blood, the odd iron-bitterness of the liquid clinging to the very
back of his mouth when Yuu kisses against him; there’s a dizzy awareness there
that it’s himself he’s tasting, that it’s the tang from his own veins clinging
to the back of Kei’s throat, and Yuu is still shaking with that knowledge when
Kei’s hand closes in his hair and he drags his brother back and away from his
mouth. For a moment they’re caught like that, Yuu’s arms draped around Kei’s
shoulders and Kei’s fingers twisting into Yuu’s hair and at his hip; Yuu can
see the heat-haze in his own vision reflected in Kei’s eyes, in the silvery-
grey shadows of the only feature that identifies them as siblings. Kei blinks,
his lashes endlessly dark against the mirror-bright of that gaze; and then his
expression hardens, his jaw sets itself into certainty, and Yuu’s knees are
giving way even before the fist in his hair drags to pull him down. He folds
immediately, capitulating to the force with no attempt to catch himself, and
then his knees are on the ground and Kei’s staring down at him and his eyes
have gone to shadow, silver turned to black under the fall of his hair. He’s
breathing hard, Yuu can see the shift of air in his chest with each inhale he
takes, but his hold on Yuu’s hair doesn’t waver, and when he reaches for the
edge of his shorts his hand doesn’t shake at all.
“Open your mouth,” he says, and it’s a command and not just a statement, the
words carry the weight of a threat under them if Yuu doesn’t obey. Yuu can
hardly breathe for how fast his heart is pounding, can barely think for the
heat sparking radiant in his veins, but he opens his mouth just the same,
touches his tongue to his lips in a rushed gesture of anticipation, and Kei’s
eyelashes dip as he pushes his shorts down enough to free the weight of his
cock. Yuu’s attention drops involuntarily to track the motion, his breathing
stuttering high in his chest at the dark-flushed curve of the other’s length,
and Kei doesn’t wait for him to look back up; he’s curling his fingers into a
bracing hold against the base of his cock, steadying himself as he tilts his
hips forward, and then the hand at Yuu’s hair pulls to urge him closer and Yuu
is moving into obedience, his whole weight coming forward as Kei’s cock slides
past his lips. He has to grab at the other’s hips to steady himself, to keep
from losing his balance entirely, but he doesn’t push Kei away and Kei doesn’t
draw back at the touch. He’s thrusting deeper instead, pressing the weight of
his cock back across Yuu’s tongue and against the back of his throat, and Yuu
whimpers some unvoiced note as Kei shudders through an exhale over him.
“Wider,” Kei says, and Yuu lets his jaw go slack as Kei draws his hips back and
lets his bracing hold on himself go to reach for Yuu’s hair instead. Between
the press of his palms Yuu can’t move, can’t duck his head forward to take over
the rhythm of motion, but it doesn’t matter; Kei is rocking forward before Yuu
can think to try, thrusting his hips to slide into the heat of the other’s
mouth at his own pace. There’s not much left for Yuu to do, not much he can do;
the best he can manage is to set his tongue against the head of Kei’s cock, to
lick against the flushed weight of the other’s skin as Kei fucks against the
drag of his lips and the heat of his mouth.
“God.” Kei’s voice is low, rumbling against the inside of his chest and grating
past the back of his throat; Yuu looks up through his hair without lifting his
chin, gazes through the shadow of the locks to see the way Kei is looking at
him. Kei’s eyes are dark, his pupils blown wide and black to eclipse the paler
color of his irises, and his mouth is wet, his lips parted and curved into what
is very nearly a frown of concentration. His thumb slides against Yuu’s hair,
his hand shifts forward to press at Yuu’s cheek; the weight pushes against the
open angle of Yuu’s jaw, dips in to drag against the slide of Kei’s cock into
his mouth. Yuu groans, the sound almost entirely eclipsed to the slide of Kei’s
length against his throat, and Kei hisses, sounding nearly in pain for how hot
the sound comes out. His fist in Yuu’s hair tightens, the pull dragging his
brother’s head farther back, and then his shoulders curl in and he starts
moving in earnest, thrusting so hard into Yuu’s mouth that Yuu can feel his
lips catch against the edges of his teeth and ache into the threat of a bruise
from the pressure. Kei’s cock is going salty against the back of his tongue,
the slick heat of it pushing at his throat with each thrust, and Yuu can feel
his throat tensing against the urge to cough, against reflexive rejection of
the threat of intrusion offered by the motion. Kei’s frown tightens, he drags
harder at Yuu’s hair, and Yuu lets his head fall back to make a smooth unbroken
line of his mouth and throat. Kei’s hips snap forward, his cock slides far back
in Yuu’s mouth -- and farther, the slick head dipping just down the other’s
throat as Yuu shudders through his body’s suddenly frantic attempts at air.
There’s a hiss of sound, Yuu’s attempt at an inhale winning a suggestion of air
around the heat of the obstruction in his mouth, and Kei groans, all the
tension in his expression going slack as he draws back and slides free of Yuu’s
lips. Yuu gasps a lungful of air, his throat spasming into a cough at the drag
of oxygen over raw skin, but Kei hasn’t let his hair go and hasn’t let his head
come forward, and when he moves it’s to draw his touch away from Yuu’s cheek
and close his hold around his cock instead.
Yuu knows what’s coming. He doesn’t try to pull away, doesn’t try to wrench his
hair free of his brother’s hold; his breathing is coming faster just at the
thought of it, his eyelashes fluttering heavy on the same heat that is
weighting his cock into an ache at the front of his shorts. Kei’s cock is slick
from the wet of Yuu’s mouth, the strokes of his hand are rushed and jerky; Yuu
watches the pull of his fingers over the flushed skin, watches the way Kei’s
hold catches against the ridge at the head with each motion. Kei’s breathing
harder, panting for air like he can’t get enough from the enclosed space around
them, and then Yuu sees Kei’s cock jerk in his hand, hears the way Kei’s
breathing catches into a groan as his movement stutters, and Yuu shuts his eyes
just as Kei spurts sticky across his face. There’s bitter at his lips, damp
across his cheek; there’s even some in his eyelashes, when he tries to blink so
he can see the way Kei’s looking at him. Another spill of heat, this time
across the bridge of his nose, and then a last pulse, heavy against Yuu’s mouth
as Kei gasps himself to relief over him. There’s weight at his lips, the press
of Kei’s cock bumping against them, and Yuu opens his mouth obediently to take
the other just past his lips so he can suck the head clean of the come still
clinging to it. Kei makes a low sound in the back of his throat, a half-voiced
groan of satisfaction as Yuu sucks him clean, and then he slides back, pulling
his shorts back around his hips as Yuu licks at the bitter clinging to his
lips.
“Good,” Kei says, and Yuu blinks up at him to see the smile curving itself into
an edge against Kei’s mouth, to see the dig of shadowy pleasure at Kei’s lips
as he considers Yuu’s upturned face. He reaches out, his fingers catching
against the other’s skin, and Yuu shuts his eyes to the force as Kei drags his
touch across the sticky mess over his face. “You look good, aniki.”
Yuu’s breathing catches in his chest, Kei’s fingers catch against his lip.
“Kei,” he manages, and he’s licking the salt off Kei’s fingers but his throat
is working on unthought words, heat unfolding itself up his throat like a
flower blooming under the fire in his veins. “Kei.”
“Good,” Kei says again, and then he’s dropping, his knee bumping Yuu’s as he
falls to kneel in front of the other on the floor. “So good.” His fingers slide
free of Yuu’s mouth, drop down the length of his chest to curl under the
elastic at his waistband, and Yuu’s breathing twists into a whimper in his
throat as Kei’s sticky fingers dip under the weight of his clothing with
certain precision. Yuu reaches up, closes his hand on Kei’s shoulder to steady
himself, and Kei’s fingers curl around his length, the damp clinging to the
other’s skin stuttering the stroke he takes out of smoothness. It’s still
enough to ache relief up Yuu’s spine, to knock his knees wider as if in
invitation, and Kei’s grabbing at his hair again, bracing the weight of Yuu’s
tipped-back head in his palm as he rocks up over his knees, as he leans into
Yuu’s line of vision and starts to jerk him off properly.
“Like that,” Kei breathes, his voice quivering in the back of his throat, and
his eyes are endless, the silver in them gone hot and liquid as mercury as he
stares at Yuu’s face. His thumb catches across the head of Yuu’s cock, drags a
burst of pressure against the sensitive skin, and Yuu jerks, his throat giving
up a gasp that tastes like Kei’s name and comes out as raw heat. His hand goes
sideways, his fingertips straining for traction in Kei’s hair, and Kei doesn’t
pull away; he’s leaning in closer instead, his gaze wandering across Yuu’s
features as his breathing comes fast enough for Yuu to feel it ghosting against
his lips. Yuu’s back is arching to the drag of Kei’s hand, his hips tipping up
in a desperate attempt for more friction, and Kei is just leaning in closer,
forcing Yuu back against the support of the hand at the back of his head.
Gravity is tilting sideways, Yuu’s whole weight is given to the grip of Kei’s
hand in his hair and the reaching fingertips he has pressed to the back of his
brother’s neck, and then Kei’s fingers skid and jerk over him and Yuu shudders,
his entire body trembling into the slack weight of relief as Kei’s touch drags
him into orgasm. He moans faintly, a half-stifled sound that still comes out
loaded with all the heat in his veins, and Kei is purring satisfaction,
murmuring incoherent encouragement as his hold braces Yuu through the quivers
of pleasure that are trembling through him. Yuu gasps for air, the last of the
tension in his body easing as the aftershocks fade, and then he opens his eyes
and Kei is smiling at him, the strange, sharp smile that Yuu never sees except
when it’s just them, except when they’re like this.
“Good,” Kei tells him, purring like he’s impressed, like Yuu has performed well
in some event. His hold eases, his sticky fingers slide free of Yuu’s shorts;
when he reaches up for the other’s face his fingertips catch against Yuu’s skin
to stick to the damp already there. “You’re so good, aniki.”
Yuu takes a breath, tries to swallow moisture back into his mouth, but when he
opens his lips all he can manage is a breathless, “Kei,” so hot and shaky it’s
more a moan than his brother’s name.
Kei smiles at him, presses his sticky fingers into the fall of Yuu’s hair,
slides his thumb against the line of Yuu’s cheekbone. “Mine,” he breathes, so
gently it might as well be Yuu’s given name, and then he ducks in to catch the
other’s breathing at his lips, to fit the sharp edges of his smile to the give
of Yuu’s mouth. Yuu’s eyes flutter shut, his fingers press harder at Kei’s
neck; he parts his lips to the other’s tongue, lets Kei lick away the bitter
salt still clinging to the inside of his mouth.
“Yours,” he says, or tries to say, but the syllable is lost to the slide of
Kei’s tongue, the consonants hiss into a whimper against the heat of his mouth,
and Kei just growls and bites at Yuu’s lip to cut off the possibility of more
clarity. So Yuu lets his voice fall silent, and lets his body fall heavy, and
lets Kei mark him the way he wants to.
Bruises or no, he’s been Kei’s for a long, long time.
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