Posted originally on the Archive_of_Our_Own at https://archiveofourown.org/
works/13732563.
  Rating:
      Explicit
  Archive Warning:
      Underage
  Category:
      M/M
  Fandom:
      Kuroshitsuji_|_Black_Butler
  Relationship:
      Sebastian_Michaelis/Ciel_Phantomhive, Sebastian_Michaelis_&_Ciel
      Phantomhive
  Character:
      Sebastian_Michaelis, Ciel_Phantomhive
  Additional Tags:
      Smut, Anal_Sex, Oral_Sex, !!MANGA_SPOILERS!!, Angst, Implied/Referenced
      Rape/Non-con, One_Shot
  Stats:
      Published: 2018-02-19 Words: 1417
****** Kiss of Despair ******
by Danmari
     “... This will be my final night, won’t it, Sebastian?”
Said demon knelt before his Master, an uncommon, sorrowful expression plastered
on his face. “Quite possibly, but...” he gently clasped his large, gloved hands
over the younger male’s much smaller ones. “... I promise I will protect you,
even if my spirit were to diminish.”
Rising slightly, Sebastian placed a light kiss on the boy’s right eye, the
violet orb flaring after the contact. The servant strode towards the door
before being halted by his Lord’s command, “Wait.”
“... Just for tonight... lay with me,” Ciel said, face burning as he did so.
“Take off what you need to be comfortable.” Sebastian was briefly stunned by
the order before he dipped his head respectfully and responded, “Yes, my Lord.”
The butler removed his gloves, shoes, tailcoat, and vest, folding them into an
organized pile atop a seat. He climbed into the Earl’s bed and rested aside
him. Sebastian stared at the ceiling in boredom, that until Ciel quietly spoke,
“Sebastian... could you kiss me again, but on my lips...?”
Sebastian turned onto his side and smiled. “You are quite a curious child,
aren’t you?” “Shut it,” the nobleman sneered at the trivial insult, though his
soft tone simply made him seem all the more endearing. A finger was placed
beneath the boy’s chin, and in one, swift movement, his lips were captured.
Arousal spread through the adolescent’s body like wildfire, and his lips parted
to let aloud a moan, only for a tongue to dive into the orifice. After this,
Sebastian abruptly pulled back, to the younger male’s dismay.
“I apologize, Master... how inappropriate of me... I am not worthy of being
called your butler.” Ciel flashed his notable, mischievous smirk, the smug look
the two would give one another amidst their quarrels. “Don’t you think that
kissing your Master alone could be deemed as equally taboo? Besides, in the
end, neither of our titles were rightfully due.” Sebastian chuckled, his voice
sonorous and rich. “I suppose you are correct.”
“Now, finish what you started, demon,” Ciel demanded.
“Are you implying that we... go further with this?” Sebastian questioned, a
bead of sweat forming at his temple. The boy gave a terse nod, to which his
servant replied, “Given your past, I would not presume you would want to do
such things again, nevertheless with another male.”
“I do not view you as those monsters, so do it.”
Sebastian was reluctant to resume, but complied to his Master’s desires. “You
never fail to surprise me, my Lord,” he told and pulled him onto his lap. “If
you wish, you can be on top of me, I would not want you to feel inferior.” Ciel
nodded in agreement and placed himself before the man’s crotch, struggling to
undo his lower-garments.
“Allow me, my Lord,” the butler said and with the clink of his belt, his
trousers were pulled down by the boy before his movements were desisted once
more. “With all due respect, Sir, I incline to have a ‘bit of clothing on,”
Sebastian informed. Dismissing his preferences, Ciel yanked his slacks so that
they bunched around his ankles as he replied, “If I am going to be exposed,
then so will you.”
His heterochromatic optics averted to the man’s erection, and the engorged
organ twitched in anticipation. Ciel grasped it rather dubiously and gave it an
experimental pump, to which the older male grunted softly at the stimulation.
Elated upon his response, he eagerly stuffed it into his mouth, wary to not
apply his teeth. Due to this, he was not able to go far, observed by his
servant.
“Please do not strain yourself, Young Master,” Sebastian advised, running his
fingers through the boy’s silky, blue locks. Ciel dragged his tongue along the
length, the wet muscle swirling about the head to lap at his pre-ejaculation
and lather it with his saliva.
The nobleman moved away and tugged at his butler’s dress shirt as a silent
command for it to be ridded. Sebastian unbuttoned the article and shrugged it
off of his shoulders for it to exhaust around his forearms. Ciel then lifted
his nightgown, expression flushed a deep scarlet.
“Why are you embarrassed, my Lord? Have I not seen you like this many times
before?”
“It’s... different—this setting, I mean,” the child muttered, his gaze casted
off to the side as he positioned himself to proceed. Sebastian placed his hands
at the boy’s hips, guiding him to press against his member. “Please do not be
ashamed, I think your body is... beautiful. Are you sure you wish to continue?”
“Yes,” Ciel answered. “I want this, and just for now, we are mutuals.”
Sebastian raised his hips to push himself partially into his Master, who gave a
small yelp and gripped his shoulders harshly. “Does it hurt?” he asked.
“A little... but, it’s not unbearable,” Ciel said, sinking himself to the man’s
base with a cry.
The devil groaned, his crimson orbs slitting. Slowly, Ciel began to suspend
himself up and down, whimpering with each smack of his bottom against the other
male’s flesh.
Sebastian removed his hands and watched as he bounced atop him. “Sebastian...
does it... feel good for you...?” the boy panted out. “Very much so, my
Lord...” the demon told, growling in pleasure beneath his breath.
Ciel explored his servant’s form with his hands, feeling his toned abdomen and
pectorals. “Master...” the man muttered, tilting his head back with closed
lids. The child was at ease of not being seen, and his movements quickened.
“Sebastian...” he whined. “I want to swap our places.”
The two quickly did so, and the butler kicked off his trousers from his ankles
and found himself hovering over his Master. Sebastian had not the time to
analyze what an endearing specimen the mortal was before that brief moment.
“Master... I feel quite odd in this position, being over you, that is.”
“As I said before, we are momentarily equals; our dynamics of servant and
master have ceased.”
”I understand, my Lord,” he said and resumed. He entered the boy once more, a
quiet shriek emitting. The devil thrusted steadily into his contractor, sure to
be gentle with the child as to not break him. “Touch me...” Ciel mewled, his
lower-limbs encircling the man’s waist to lock him in.
His servant obliged and curled a hand around his shaft, stroking it to elicit a
sequence of delightful moans. The feeling of penetration and his phallus being
stimulated was nearly too much for the young male.
“Let go... I feel too close...”
Sebastian placed his arms at both sides of his Master, peering down at him
through narrow eyes as he rolled his hips into him. Ciel’s lids screwed shut
before he said, “Say it... call me by my–!” His sentence was silenced by a
sudden moan as his sweet spot was hit, but the man knew full well of his want.
The demon hunched over and deeply inhaled his pleasant scent of arousal, musk,
and despair, and he whispered the word: his true name.
Tears streamed from his eyes as they widened. “Sebastian, kiss me~!” he
screamed as his climax neared.
Their lips united, and the boy’s orgasm tore through him. The sensation was
indescribable, the feeling of being so lost... so mindless... it was truly the
only bliss he would ever be granted.
Sebastian came to his completion soon after, spilling his seed inside of him
with a muffled groan. He fell aside his Master, the two breathing erratically.
—————
The butler redressed himself and his Master before residing in the latter’s bed
once again. “Sebastian... stay with me... until I fall asleep...” he uttered
softly, nuzzling his nose into his servant’s chest. “Of course, my Lord... I
will be here with you, until then...”
His words fell onto deafened ears though, as the child had already fallen
unconscious.
The demon rose, lifting the candelabra that held dimmed candels which had
rested atop the Earl’s nightstand. He approached the door, looking back at his
sleeping human, then felt his heart sink.
This human... I have never encountered such a being. Such resilience and
unpredictable behavior, yet... I truly feel that I am connected with and know
it—no, him.
This human contains a soul that should be preserved, a soul that something like
me could never be worthy of. And as I’ve said many times before, Master, I will
be with you... not until your demise,
but until the very end.
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