Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/11687436.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      終わりのセラフ_|_Owari_no_Seraph_|_Seraph_of_the_End
  Relationship:
      Hyakuya_Yuuichirou_&_Ichinose_Guren
  Character:
      Ichinose_Guren, Hyakuya_Yuuichirou, Hiiragi_Shinya, Hiiragi_Mahiru
  Additional Tags:
      Consensual_Underage_Sex, Anal_Fingering, Crossdressing, Baking
  Stats:
      Published: 2017-08-02 Words: 4127
****** Belly Tickles ******
by SWELTERING_VALIANCE
Summary
     For my dearest friendo~ I hope you enjoy!!!
“But Daddy~” Yuuichirou whined, being a 11 year old boy- you’d think that he
wouldn’t want to sleep in with his parents anymore. But this boy was full of
surprises.
“Don’t ‘but daddy’ me!” Guren smiled and ruffled Yuu’s hair, he sat at the edge
of the boy’s twin size bed, the small one was sitting up, mostly under his
covers. “I’ll tell you what. If you can sleep in here tonight like a good boy,
I’ll reward you tomorrow after your mother leaves, okay?”
Yuu grunted, huffed and glared playfully all at the same time, how amusing,
Guren thought. “Be a big boy for Daddy? Just for tonight?”
“....okay. For Daddy.” Yuu slouched and pouted, watching as his father leaned
over to kiss him goodnight. Yuu instantly grabbed hold of Guren’s collar, but
the man was quicker than he.
“Yuu, no. Behave. I’ll kiss you properly tomorrow night, so be good until
then.” he watched the boy’s expression turn sour, but then painfully submissive
as his small forehead was kissed.
“There, that’s such an attractive face, my good boy…” Guren whispered into
directly into the little one’s ear, he felt Yuu shiver and choke out a tiny
whine. “My pretty little boy~” he smiled, but pulled away quickly. “You just go
to sleep now. Be the good boy I know you are and do as I say.”
One more forehead kiss and Guren disappeared down the dark hallway after
closing Yuu’s bedroom door with a soft click. Instantly, Yuuichirou laid down
and closed his eyes, and like a trained dog, he waited patiently for tomorrow
night. But his mind raced, and his stomach twisted in a strange, sickly way.
He was a naughty child. He was a vile little boy. He couldn’t stand sharing his
Daddy with Mahiru- his mother. He hated her, he wanted her to die already. He
wanted her to die so he could have Guren all to himself. He wanted her to die
because it would bring him the purest of joy to see her dead corpse- hopefully,
mangled.
“I’m a greedy boy- I’m not a good son at all…”
Morning came. Mahiru was leaving soon, but Yuu knew that she would not come and
say goodbye to him. She was horrible like that. “I hope that bus crashes…” Yuu
murmured and huffed, he would wait patiently for his father to come and get
him- and after laying in bed for almost an hour, Mahiru FINALLY left- and Guren
came to jostle his boy.
“Yuu, get your lazy ass out of bed!” Guren opened the door with a smile and
hopped up onto the bed, he flung the covers off of Yuu and tickled his little
body, his soft tummy especially.
“Aaah! N-no! Ahaha~! Daddy, no!” Yuuichirou squealed as he laughed, trying to
kick the male away.
“You little fucking shit. I love you.” Guren abruptly stopped and hoisted the
giggling boy from his bed, lifting him and spinning him in his arms around the
room, then tossing him over onto the bed again.
“Daddy!! No more tickles- nO MORE TICKLES!” Yuu screamed in his laughter,
squealing as Guren went back to torture his little belly, but he stopped sooner
rather than later, panting from laughing along with Yuuichirou.
“Okay. Let’s get you dressed.” Guren- instead of going to the closet- went into
a trunk under the bed, there were ‘special’ clothes in there, secret clothes.
The ones he would only wear when Mom wasn’t home.
Guren picked a pair of very short shorts and a little skirt. He held them up to
the boy, “Which one?”
Yuu swung his feet as he sat on the edge of the bed, he wordlessly pointed to
the skirt, it was a pretty blue color, and Guren seemed to prefer it to the
shorts as well.
He pulled out a shirt that was too big for Yuu, it would hide his palms, and
Guren thought that was adorable- to only have his little fingers sticking out.
He liked how it rode off his lithe shoulders too.
“Okay, arms up.” Guren pulled off Yuuichirou’s shirt and tossed it over to the
hamper, where it missed and hit the floor next to it.
“You MISSED!” Yuu pointed out, watching as Guren reached over to ruffle his
soft hair.
“Did not. I was aiming at the floor.”
“You were not!”
“You hush. Arms up.” Guren slipped the big shirt on the boy and watched as his
little collarbone was exposed, jesus.
“Get up, take your pants off.”
“You do it!”
“Cripes, you’re lazy! Common, get off the bed and take them off.”
“FINE…” Yuu groaned and hopped off the bed, he pulled down his pants and liked
how the shirt covered his ‘area.’ He also stripped himself of his underwear and
took the skirt when it was handed to him. He put his feet through, and let
Guren pull it up his legs and zip it at his waist.
Neither of them said anything about not wearing any underwear, Guren was going
to buy Yuu some panties but never got around to it. Mahiru didn’t ‘know’ about
them, so how would he explain bringing home little girls panties that would
surely fit their son?
He wouldn’t. Which is why this was their secret.
“Daddy, I feel empty.”
“Christ, Yuu…”
“Alright, alright. What do you want for breakfast?” Guren sighed, leading Yuu
by his little hand out to the kitchen, he was placed upon the island, which was
a cold marble. The boy squealed from the cold stone for a moment but then
looked to his father, Guren noted how Yuu didn’t reply to his question.
The boy simply raised his brows at Guren, like he didn’t know what he wanted.
Pancakes, of course.
“Pancakes?” Guren asked.
“Duh!!”
“Duh!” Guren mimicked his son, he got out a big stainless bowl and actually
decided to make them from scratch, the boys both loved baking together. Yuu
just liked to stir and eat all the chocolate chips.
“Okay. Here- Spoon.” Guren handed Yuu a giant spoon, they didn’t need one that
big, but it was Yuuichirou’s favorite one to use.
“Off the counter, get on the stool.” Guren wiped off the marble before they
started, watching Yuu crawl down onto the black leather chair.
“Ready?”
“Uh-huh!”
“Flour,” Guren handed Yuu the cup and watched him pour it into the bowl.
“Flour!” The boy repeated back.
“Baking powder.” Yuu was quick to repeat his father and to stir like his life
depended on it.
“Sugar and salt…”
Guren looked to his son, who was stirring like a madman. “What then?” He asked
the smaller, smiling to him as he got out the milk.
“mAKE A WELL!” Yuu yelled, doing just that, except he made a moat instead.
“.....Close enough.” Guren shrugged, adding the milk, eggs, and butter, and
told the boy to stir carefully, which he did.
“Gimme the chocolate!” Yuu reached his outstretched hand to the freshly opened
bag and dug right in, eating a handful behind Guren’s back.
“In the bowl, Yuu.”
He hastily shook his head, eating more of the morsels.
“In the bowl, boy!” Guren heated up a pan and smiled, pointing at the large
bowl, Yuu reluctantly poured the bag of chocolate into the batter and folded
the mixture, he frowned when Guren took the bowl away and started to make the
pancakes, “Get out the whipped cream, put in on the table.”
“....It’s not in here!” Yuu exclaimed, examining the fridge with enough energy
to power a small town.
“Look harder, it’s in there!” Guren said, flipping the pancake without a
spatula, instantly grabbing Yuuichirou’s attention.
“Do it again!”
“The damn whipped cream, boy! Find it!” Guren laughed and shook his head, he
chuckled when Yuu yelled that he had found it.
Soon, Guren had a plate full of pancakes, he instructed Yuu to hold out his
empty plate before him and not to move. The boy reluctantly did so.
From five feet away, Guren flipped the pancake in the air and landed it
perfectly on the boy’s plate. Feeling pretty proud of himself, Guren ruffled
Yuuichirou’s black locks as the boy fangirled over his father.
They ate breakfast together, and after Guren had finished cleaning up, he
reclined on the couch and closed his eyes.
He felt weight crawl up on him- he opened his eyes and saw Yuuichirou sit
himself down directly onto his father’s clothed cock, a seemingly innocent
action, but Yuu was not an innocent boy.
“Daddy, I’m full.” he squirmed down onto Guren’s pelvis.
“Full of shit, dirty boy.”
“Am not! I’m full of pancakes!”
“Yeah?”
“Yeah!!”
“Let’s see then.” Guren sat up and laid Yuuichirou down onto his little back,
he lifted his shirt up to his tiny breast and pretended like he was seriously
examining his belly, but really he was just teasing the boy. “Jesus Yuu, you’re
getting fat.” He chuckled, looking up at the blushing child. He gave the young
flesh a loving kiss directly above his little navel.
“Am not!”
“I know, I’m just teasing you. But I’d still love you if you got chubby. Makes
no difference to me.” Guren rested on his elbows on either side of the Yuu, who
had immediately his thin legs spread wantonly under his father.
Finally, Yuu thought. He wanted this, fuck- he ached for this, he wanted this
so bad, he could die. He could feel his father nonchalantly pressing their
bodies together just to be an ass.
“Somethin’ wrong?” He rested his head on his palm and smiled, his son was
blushing beet red.
“.....” Yuu covered his eyes with his arm and whined softly, Guren’s heart
melted.
“I told you I would reward you tonight, and believe me- I’m going to. You just
be patient, because I have paperwork to do today, okay?”
“Mmmgh, fine…” Yuuichirou groaned and whined as his father sat up, pulling his
firm body away from his son’s own soft one.
“I’ll put on a movie for you, okay? Which one do you want?” Guren rose from the
couch and went over to the TV stand, he opened its door and watched Yuu shuffle
off the couch and join him on the floor.
“Hmm!” the boy pondered, Guren watched him closely- how he sat on his hands and
knees, he could see a peek of his little backside, how that mini skirt rode up
his hips and exposed his creamy flesh. Guren looked back to the boy’s face and
nonchalantly pulled the skirt back into place, Yuu immediately snapped his eyes
to his father’s own and he shivered, his hands were very cold against his
bottom.
Yuu swallowed hard and looked back into the cabinet, he quite hastily pulled
out one of the Lord of the Rings movies, he handed it to Guren and went to lay
on the couch as he was instructed.
Soon, after moving to his office, Guren could hear the movie playing and he
wondered if Yuu was actually watching it. He couldn’t see the mischievous young
boy from the room and thought that his silence was suspicious. But Yuu was a
good boy- in his own way.
“Fucking paperwork, maaaan…”
Yuu heard his father Groan tiredly from the office, he bit his lip and rose
from the sofa as quietly as he could, he could now hear the man speaking on the
phone, Yuuichirou blushed and crept into the room. His father looked up at him
for a moment and then winked. Putting a finger to his lips, he motioned the boy
to keep quiet.
“No, Yuuichirou is fine. Shinya, did you get the reports on the- Shinya! Yes,
he ate breakfast! ….Pancakes. What? Shin- No! SHINYA. Can you focus?!”
Yuu giggled, uncle Shinya was the boy’s biggest fan. Because they shared a
secret of their own~
Shinya had once walked in on Yuuichirou giving his dear daddy head. Yuu
recalled the moment briefly.
-
“Mhmm, aah, Daddy…” Yuu pulled away from Guren’s cock with a delicate pop, he
stopped to breathe- even though he hated the feeling of his throat being devoid
of dick.
“Who said you could stop?” Guren yanked on Yuuichirou’s soft locks- forcing his
tiny mouth to open, he shoved the head of his cock down his juvenile throat
again. He rolled his pelvis into the small face of the minor with enough
eagerness to feel Yuu’s cute nose poke into his pelvic bone, almost painfully
so. The way the boy’s throat convulsed was sublime, heavenly even.
“Mm! Mmh~” the boy whined sweetly, he then shrieked a bit when he saw a flash
of silver in the doorway.
Guren snapped his head to the side and pushed Yuuichirou’s forehead away,
“Mahiru! No, this isn't!!” he stammered, but then abruptly stopped.
“Guren~ I came by to give you your papers, but I see you're busy~” Shinya
blushed and shifted his hips, looking to Yuuichirou with a smirk. “Aww~ Yuu,
you look so cute! All blushed up…” Shinya walked into the room and kneeled down
to the boy.
Guren stood silently, not knowing how Shinya would react. He was in shock, but
thank god it wasn't Mahiru.
“Shinya, don't tell Mom! Please!” Yuuichirou started to cry, but he was hushed
by the silver-haired male.
“Shh, Yuu-chan, it's okay. You know- I did things like this with my father
too.”
“.....R-really?” the small male let the other wipe his tears, he watched Shinya
closely.
“Yeah! I gave my first head when I was 6~ And you know what?”
Silence. Complete silence. Yuu stared at Shinya like he was entranced by the
male, he flinched then the elder ruffled his hair.
“I still do~”
-
Needless to say, Shinya had more or less become involved with Guren and his
cock-hungry son. Not that Guren minded, Shinya had started giving him (Guren)
head when they were in middle school, he wasn't in the least bit worried that
the male would tell Mahiru about their lewd encounters.
-
Yuu looked back to his father and smiled. He could use this situation to his
advantage.
Yuuichirou crawled under the desk and enjoyed how his father didn't bother to
speak to him, he simply slumped in his seat and let his head hang back, feeling
his son’s small fingers fiddle with his button and zipper was enough to edge
him towards a hard-on, he kept his breathing normal and he looked down to watch
his boy.
Yuu’s expression was sour, darn this button! Why are they so difficult?! He
huffed and felt his father pet his hair, Guren undid the button himself, and
his son was quick to pull down the zipper and reach through his father's
underwear to pull out his hardening cock.
Yuu licked his lips at the sight of the thing, it was getting all hard and when
he squeezed it roughly his father would shift and grunt, and then fake a cough
to cover his voice on the phone. Yuu smiled and panted on the thing, he had to
do his best to not moan- because dammit, he wanted this thing inside of him-
but he knew that his father liked to be teased a bit, therefore he wouldn’t
impale his own esophagus quite yet.
Yuu gave the head a sweet kiss, then teased the slit with his underage tongue,
he felt his father shift his hips, feel his toned middle tense and take in
short erratic breaths. “Okay, I'll talk to you soon Shinya.”
Guren hung up the phone and immediately spread his legs further, combing his
fingers through Yuu’s locks. “Come on, baby. You know what to do…”
Yuu nodded enthusiastically, rubbing the prize on his cheek, he smeared his
father’s tasty precome on his chin and lips, he finally took the head into his
hot mouth, swallowing it whole to the best of his ability. He bobbed his head
sweetly and ignored how he was choking for air, he emitted a shrieking moan on
his father's cock when the man stood and pushed his chair away.
Guren leaned over his desk and pinned the boy's head between the drawer and his
hips, he grabbed Yuu’s soft tufts of hair and guided himself deeper, Yuu, on
the other hand, was happy to finally have his throat stuffed full- it had been
over a month since he had been able to touch Guren like this, Mahiru had
started working from home and in the process ruined everything- the only time
Yuuichirou and his father could be alone is when the boy took a bath, and even
then they had to be very careful.
But now was not one of those times. Mahiru was gone until tomorrow night and
Yuu was simply delighted, there was no way that he was going without cock for
another night. Yuu had come to the conclusion that it belonged to him, not his
whore mother.
A groan brought the boy back to his senses, he looked up to his father and
moaned sweetly around his stirring cock, he then shrieked cutely when it was
forcibly ripped from his throat, “Hah, Da-....Daddy…”
Guren was frustrated, Yuu’s hot mouth was enough to drive him crazy, he tugged
the boy to his feet and lifted him easily, he sat Yuuichirou on the cool wood
of his desk and spoke, “Get on your fucking knees, boy.”
Yuu scrambled to his tiny knees, he spread his legs and pushed his backside
out, knowing that he was fully exposed without any panties.
“You’re such a good boy, Yuu…” Guren went into one of the drawers to his desk
and pulled out a small bottle of lube, he slathered his fingers with the stuff
and forcibly shoved the slicked digits into his boy, angling them rudely and
spreading them far enough to make Yuu squeal loudly and feel horribly empty.
Damn, that hurt. Yuu keened as he rested his forehead on the desk, it had been
weeks since he had last taken cock, and he would only please himself with one
of his own tiny fingers- but Guren’s digits were larger and longer, touching
places that Yuu simply could not.
“Ahh, ngh~...it hurts…”
“Does it? I’m sorry, baby. If I don’t prep you, you’ll tear. You know that.”
Guren shoved his digits down to the knuckle and spread them wide, Yuu moaned
out a piercing shriek- but the man ignored it, this boy was so tight and hot,
so sweet and submissive. “There’s a good boy, just breathe and relax…”
Guren pressed down towards Yuu’s belly and worked around until he found the
boy’s prostate, he watched the younger moan and arch his lithe back in an
unnatural way. “There, is that good?” Guren asked, massaging and milking the
little pleasure spot, Yuu simply nodded enthusiastically, pushing back onto his
father’s fingers, and Guren knew that Yuu was ready for his cock.
“Yuu, I’m going to put it in now. You know what to do.” Guren used the small
amount of lubricant that was left in the bottle and smeared it up and down his
stirring length, but he couldn’t help but leave a hand planted on his son’s
backside, clawing at the plushy flesh as he pressed the head of his cock at
Yuu’s entrance.
The boy hummed out a sweet whine, he was so eager- buzzing with hormones,
hungry to receive what his father could give. He relaxed his tight insides and
kept his breath shallow, he waited patiently for Guren to push forward, to
finally be filled with the flesh that made him.
Guren slowly eased his tip into Yuuichirou’s entrance and pulled it out again
just to tease the boy. “Daddy, nooo- do it right~” Yuu huffed and smiled when
his father chuckled down at him.
“You think you’re ready, huh?”
“Yeah!!”
“Well fine. But when you squeal like a little brat, don’t expect me to stop.”
Guren grabbed hold of Yuu’s hips and tugged his small body back onto his cock-
in one fluid motion, the man was seated fully into his own son. And boy, did
that son whine.
“Nnngh~!” the moan was drawn out and filled with desire, the waves of tingly
pleasure shot through the boy- up his spine and into his fingers, he hung his
head and moaned sweetly into the table, his small body rocked back and forth as
his father gathered and gripped his arms- driving his son back onto his cock as
he thrust forward to meet him halfway. “Aaagh~ Aaah, Daddy~!”
Guren couldn’t be more pleased, he was finally- after so long- giving his son
exactly what he wanted. “Yuu~ You’re so tight…” he grumbled under his breath,
watching his son’s tiny hands grip the front edge of his desk like his life
depended on it.
“D-daddy~!!” Yuuichirou squealed and felt his insides pulsate and tighten down
on the large intrusion, all while his own little cock was dripping with his
underage precome.
The man panted and thought he could die from the grip Yuuichirou’s insides had
on him, he was painfully tight and could tell that the boy had not masturbated
himself in this manner for quite some time. If it wasn't real, it wouldn't make
the cut.
Yuuichirou moaned and tossed his head from side to side as if it were on a
swivel, he was already going to come and Guren couldn't wait for those precious
organs to tighten down on his cock- it was already a tight squeeze, like a
warm, wet hug.
He could feel the boy’s arousal- feel the blood thumping and thumping around
his dick, Yuu was gasping and whining, he brought one of his own hands down to
his juvenile cock and jacked himself harshly, screaming and thrusting back onto
the cock that made him. “Aaah~ aah~ daddy, daddy please~!”
Guren smiled and drove himself harder, the desk began to rock back and forth
with the panting males, but Guren was focused on his son and counting down the
moments until the boy would come.
And as an act of desire to watch the boys face, Guren abruptly pulled his cock
from Yuu and flipped him onto his back- re-inserting himself was a breeze,
Yuuichirou’s slightly loosened hole was already accustomed to his father's dick
and made the boy quite an easy fuck.
“Aaagh~ Fuck me, fuck me- please!” Yuuichirou had cried out from the loss of
flesh but then sighed blissfully as he was quickly filled again. Guren wanted
to be inside the boy at all times and wouldn't stand for anything less.
“So dirty, Yuu. You like my cock that much?” resuming his thrusting, Guren took
hold of the boy’s ankles and spread them wide, wide enough to strain
Yuuichirou’s little hamstrings.
“Yes~ I…”
“Say it. Say you love my cock~”
Guren reached down and grabbed hold of his son’s own throbbing cock, the harsh
contact made the younger squeal.
“AAAH~ I-…..I love Daddy’s cock! I- I want to come! Please make me come~!”
Yuuichirou babbled as tears trickled down his cheeks, his begging and dirty
talking were enough to drive his father to fuck him harder, to try and drive
his son over that heavenly, sinful edge.
And with a few more earth-shattering thrusts, Yuuichirou came with a loud,
feral cry. He sobbed and moaned from such an intense orgasm, it wracked his
tiny frame and even brought him to tears. “AAAGH~ HA~H- Daddy~! Daddy~! Nngh!”
Feeling such vice-like organs clamp down onto his cock even tighter made Guren
groan and drive himself deeper, he was going to come, he wanted to fill the
boy’s little hole with his adult seed, he drove himself harder and a scowl
rested on his handsome face- but with a frustrated grunt, the man pulled out
and jacked himself off above his panting son, he now wanted to ruin that cute
shirt.
And in a few short moments, that's exactly what he did, coming hard on his
son’s oversized shirt was a delight, he had been waiting for so long to share a
moment like this with Yuuichirou, and with a stifled grunt, Guren fumbled back
into his chair and panted like a mutt. “B-baby….did daddy hurt you?”
“No…I’m okay…”
Guren sighed in relief as he came down from such a glorious high, he looked to
his son, who sat up and examined his dirtied shirt, wincing as he closed his
legs and struggled to hop off of the desk. “Come here, Yuu.” Guren tucked his
cock back inside his pants and beckoned the boy to sit on his lap, humming
contently as the younger did as he was told.
“You need a bath, dirty boy.”
“So do you, Daddy.”
“...Well shit, you got me there…”
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