Second and final part :) I'm considering writing a sort of companion to this where Ciel and Sebastian's roles are the same, but their ages are still switched, so Adult!Master!Ciel and Shota!Butler!Sebastian; Ciel would be a human whose wife and kids were killed, and this would be Sebastian's first contract as a demon. Either that, or a follow-up to "Misadventures in Babysitting," another Kuroshitsuji fic I wrote. Tell me what you think in a review, and, as always, enjoy :)

OoO

"It is past your bedtime, Little Master," Ciel said, though he didn't really care; he would be waking Sebastian up at dawn regardless of how little sleep the boy got.

"This will only take a moment or two," Sebastian insisted as he flitted from the dining room to the parlor beside his servant, "I…want to be part of this."

"Tch," Ciel locked eyes with the boy, and a little grin traced itself upon his lips, "revenge is sweet, isn't it, Little Master?"

"Oh yes," Sebastian said as he singled out the chintz couch right in front of the floor-to-ceiling fireplace. "Ah, it's hot in here."

Under Ciel's nimble fingers, the buttons of Sebastian's black ruffled vest flew apart, and the article fell from the boy's body to settle on the floor in a pile of dark frills. Much better. He rolled his shoulders and stretched out on the floral-print couch. Before the roaring fire, Ciel systematically dismembered Grandfather's body. Hands to wrists to arms and so on with procession cracks and squelches like cicadas in summer time. Music to Sebastian's ears. The warmth, the late hour, the pleasant buzz of satisfaction lulled the thirteen-year-old into a trance. He closed his eyes, long lashes coyly brushing his high, Slavic cheekbones. As Sebastian relaxed, the loose silk of his scarlet tunic slipped to one side, revealing an expanse of milky chest and shoulder. Ciel glanced over at his little lord and couldn't help but admire the view. Sebastian's legs—long and shapely as a woman's in black leggings and boots that came well past the knee—dangled askew, and his broad lips were slightly parted, as though awaiting a kiss. That was Sebastian, all unconscious sensuality...or maybe he was completely aware. Impossible to tell with that boy, human or no; perhaps that was why he intrigued and frustrated the typically emotionless demon.

"Ciel," Sebastian roused himself, cracking his claret eyes slightly, "my report."

Ciel considered, and Sebastian waited, tingling with anticipation. This was one of the boy's favorite things, when Ciel would cast a judgment on Sebastian's behavior. The demon always spoke frankly, on several occasions replying, "dreadful." This time, however, Ciel grudgingly said, "You've done admirably…for a little beast such as yourself."

"Well isn't that the pot calling the kettle black?" Sebastian smirked, satisfied. He was mischievous by nature, but if he was good for Ciel, then the demon would reward him. "So you will play for me tonight?" He was referring to the violin, but recently, Sebastian had started considering other ways Ciel could perform. Of course, he kept those thoughts well in his head.

"I suppose," Ciel grumbled.

"And tomorrow, we can do more alchemy? Or runes?" Sebastian pursued eagerly. Ciel also rewarded Sebastian by allowing the boy to forgo teachings in Grammar or Math in favor of candid lessons on more arcane arts. Imagine—to be learning magic from a demon! But Sebastian also thought about other things Ciel could teach him.

"Don't count on it," Ciel warned as he tossed the last piece of the human puzzle—Grandfather's head—into the fire, reducing the previous Duke of Michaelis to charcoal dust. "You hardly deserve any prize."

"So cold, my demon is," Sebastian muttered as he eased up from the couch. When Ciel moved to stand beside him, Sebastian felt a surge of pleasure in realizing that, with the heels of his boots, he almost came to the man's chin. Sebastian was growing, as well as developing wiry muscles to complement his lean body; Ciel would soon have to realize that he was no longer a child.

Yes, soon. Sebastian was confident in his ability to get what he wanted out of the demon. Ever since he was a babe, Sebastian cast a curious enchantment over people, and while Ciel seemed thus far immune, it was only a matter of time and perseverance. How did all this start, this unexpected fascination? It must have been that day, just a week or so after the contract was made.

"You'd best not be having second thoughts," the slender demon raised his eyebrows at Sebastian.

"Oh no, nothing like that," Sebastian said, keeping his voice light, "It's just a bit annoying to be considered nothing more than food."

Despite his intentions, Sebastian's tone darkened several shades, and his nails dug into the flesh of his palm.

"Hm. Too bad for you," Ciel smirked. The demon was lounging upon an armchair in a distinctly un-butler-like fashion.

"How are you supposed to help me then," Sebastian hissed in an uncharacteristic fit of ire, "if you don't even give a damn about me?"

"Are you doubting me, child?" Ciel's cobalt eyes were dead-serious as they pierced Sebastian's.

"Oh no, of course not," Sebastian said with a tight smile, making it clear that the opposite was true.

In a motion to fast to track, Ciel was kneeling before Sebastian, conviction traced in every line of his face as he regarded his master. "As long as your heart beats, your goals are my duty. As a butler of the Michaelis family, I swear this on my honor."

"Demons have honor, do they?" Sebastian inquired, but there was little mockery in his tone.

"No," Ciel replied curtly, and Sebastian laughed. Ciel might have even smiled, just a bit.

It was then, in that oddly warm moment that began their skewed relationship in earnest, that Sebastian felt it—a pull that Ciel possessed, not unlike those of the heavenly bodies. Ciel was spectacularly interesting, more so than anybody Sebastian had ever encountered, and Sebastian longed to solve the complicated enigma that the demon butler presented. And I will, Sebastian thought, determined, as he left the parlor with Ciel at his side.

After ascending the stairs, the pair did not take their accustomed turn toward Sebastian's room, but instead entered the one he'd recently inherited from poor, ashy Grandfather. The chamber was red as the inside of a ruby, and the bed covers were outfitted in sumptuous black silk. Sebastian had to grin; all this was his now. Happily, he perched on the side of the enormous canopy bed and lifted one leg gracefully into the air, then the other as Ciel removed each boot. Tunic and leggings came off, and Sebastian was dressed in his grandfather's owl down robe, heavy but warm against his supple body.

As Sebastian stroked the fabric appreciatively, Ciel said, "all according to plan, then, Little Master, is that it?"

"I'll have my revolution," Sebastian smiled his agreement, "with all those old nobles dead, we'll have a new generation in power. Blood and violence and chaos, and something beautiful coming out of it."

"Naive," Ciel rolled his cyanide eyes, "when humans start destroying, they never can stop themselves."

"You'll see," Sebastian insisted, "industry, culture, a world where old codgers don't try to destroy their own grandchildren…it'll work."

And then you'll be impressed with me, Ciel, I know.

"Well. It'll be interesting, I suppose," Ciel muttered, obviously not believing his young master. Of course, it would be amusing when the boy's illusion came crashing down, and if Sebastian was right? Well, then Ciel had underestimated this human child. Only time would tell, and Ciel had all the time in the world.

"Won't you play for me now, Ciel?" Sebastian asked, saccharine.

"What would you like to hear?" the butler sighed, resigned.

"'Flight of the Bumblebee.' With your eyes closed," Sebastian beamed. It wasn't a very unique piece, but he loved watching Ciel play it. Sometimes, the demon got ahead of himself on the human instrument, and the music blurred into an unholy squeak accompanied by spirals of smoke.

As the manic rhythm of Korsakov-Rimsky's masterpiece buzzed around Sebastian's head, he settled back against the pillows, occasionally humming his approval at Ciel's flawless playing. All too soon, it was over, and Ciel was asking in long-suffering tones, "is that all?"

It wasn't. Hell, Sebastian didn't even want to sleep—not after a night like this. "This bed," The boy said at length, "is far larger than I'm used to."

"And?" Ciel demanded, impatient.

"You will sleep in it with me," Sebastian said matter-of-factly.

"Ha!" Ciel made a sound that was half disbelief and half mockery. All the same, he sat down on the bed beside Sebastian. The teenager did not address his butler's confusion; he just made himself comfortable and prepared to go to sleep, when,

"It is delicious, isn't it?" Ciel's lips at the shell of Sebastian's ear, "revenge."

Sebastian's eyes flew open to meet Ciel's own, which were glowing hellish carmine in the dark. Something had been triggered in the man: the butler was gone, and the demon was out to play.

"Yes," Sebastian replied steadily, but his breath hitched as he regarded his servant's slitted pupils.

"Not as delicious, though" the new Ciel murmured with a smile that held a touch of madness, "as you, Little Master."

Sebastian's body was not shivering in fear, but vibrating from something altogether different. This was what he'd been waiting for. He forced himself to remain still as Ciel's black-gloved fingers brushed long, raven bangs behind Sebastian's ear, revealing the pale blue contract mark branded upon the boy's temple. The pentacle glowed faint cyan under the demon's touch, and Sebastian felt a powerful but not-unpleasant burn upon his marked skin. Then, the tip of Ciel's tongue flickered, snakelike, against the damning, luminescent circle. Sebastian's eyes closed at the warm, moist touch, but the sensation was gone in an instant.

Seconds passed, with Sebastian working at controlling his breathing and not daring to look his butler in the eye. He was flustered, yes, but also annoyed. Why do you always have to be so stubborn? So cold? Why can't you just stop playing and give me what I crave?

"At least try to sleep, master-of-mine," Ciel muttered with a rueful quirk of the lips, "I will be irritated if you're too tired for Occult Studies tomorrow."

The lesson felt like a consolation prize to Sebastian, but he supposed it best to take it. Perhaps he was playing with fire, trying to drag out his butler's demon side, but that only made it more exciting. "Ciel," the boy murmured as he burrowed under the covers, "how do I taste anyway?"

From the other side of the bed, Ciel said nothing. Left alone with his sinful thoughts, Sebastian drifted off in just moments.

OoO

Like dark chocolate, that was how Sebastian tasted. Bittersweet; complex; satisfying. Of course Ciel had heard his master's question, but he refused indulge this particular whim. After all, Sebastian was a child of caprice, and Ciel would not be caught up in the web the boy wove, without even trying, around everyone he met. Ciel was a glacier, chilled and hardened by time, and Sebastian was a dancing lick of flame—small, insignificant, bound to be snuffed out. At least, that was what Ciel told himself, when really, this fire fledgling was melting the demon's frosted heart, little by little.

Once the raven-haired boy was lost to his dreams, Ciel slipped from the bed, soft and silent as twilight. He lit a candle stick with the flick of a finger—purely out of habit, he told himself, but really the firelight was beautiful dancing over Sebastian's sleeping face. By the door, Ciel spared one last glance at his master, deceptively innocent-looking in his slumber.

"Out out, brief candle," Ciel murmured with a tiny smirk before puffing on the small flame and retiring to his chamber for the evening. Tomorrow was to be another long day's work for the Michaelis butler.