Standard Disclaimer: All copyrighted content belongs to it's respective holders, including (but not limited to) the characters, names, and mentioned plot of Kuroshitsuji, and the characters, names, and mentioned plot of Silent Hill.
However, most scenarios (aside from some flashbacks) and developing plotlines are mine, as well as plot concepts.
Timeline: In the midst of their entanglement with the Trancy Household (post-costumed gala, pre-Ciel's capture by Claude), the Queen calls Ciel out for a quick job. Loathe as he is to visit the America's, Ciel is glad to get away from the trouble brewing with Alois and his butler, accepts the offer, and packs up for a quick trip to the old colonies.
Prologue – A Great Vacation Spot
The air was heavy with the scents of baking pies and grilling hot dogs. Dust floated through the air unrestrained as the crowd milled about, kicking it up. Chatter and laughter permeated the small country street as rockets and sparklers lit up the twilight sky. One person, however, wasn't enjoying the evening's activities. The small, morose young boy looked up at the tall, dark man standing beside him.
"I've had enough of this blasted country. When can we go home again?" Ciel scowled as a carriage full of slightly drunk Americans lumbered by, the wooden wheel splashing mud onto his leg. His butler chuckled as he pulled a cloth from his jacket.
"Queen Elizabeth is concerned about a number of disappearances in this area, and wants to make sure it's safe before beginning construction of the new Embassy. Once we catch hold of some sort of trail, then we can leave." Ciel snorted as Sebastian finished removing the filth from his skin.
"And what if we don't? Exactly how long are we to be stranded here if there's no sign of any sort of 'suspicious activity?'"
"Let's give it another few days, my lord. If we've received no sign by the next new moon, in four days, I believe, then we can assume all is clear and return to England."
"Regardless," Ciel groaned, standing and stretching. "I need a bit of air, somewhere away from these heathens."
"I believe I saw a side road into a smaller town a bit of a ways down the path. If you wish a bit of a stroll, that should suffice. It did seem to be a lot more subdued."
"Fine, fine." The young lord waved his hand dismissively, and Sebastian went to fetch his master's coat.
"Leave it. It's too hot to bother."
"As you wish, bocchan."
As they started down the path, everything seemed to be going well. However, the closer they came to the side street, the more ill Sebastian began to feel.
'This isn't right,' the demon thought to himself.
"Bocchan. Something's wrong." The noble in front of him stopped and turned around.
"Oh? What is it?"
"I'm not sure. I just… have this sense of foreboding. Perhaps, this road has something to do with the disappearances."
"Really? Well then, I suppose it's worth our time to check it out." Ciel continued moving forward, a task that grew more difficult as a thick fog rolled in. Sebastian couldn't shake the feeling that something was terribly, terribly, wrong.
"Young Master, I really don't think we should proceed any further. Something is… off about this place."
"It's too late for that, isn't it? Look, we're here." The two travelers gazed up the road at a crooked, wooden sign.
Welcome To Silent Hill
Ciel snorted.
"'Silent Hill?' An appropriate name. Place looks like a bloody ghost town." Ciel moved to stride forward into the deserted town, but a hand on his shoulder stopped him.
"Ciel. We should not. Be here." Stunned, the smaller boy looked into the face of his butler.
"We are here for a purpose, Sebastian. If there is something going on here, it is my duty to end it for her Majesty's peace of mind. What is going on with you?"
"I… I don't know, exactly. I just have a really bad feeling about this." Ciel huffed and turned back around, making his way into the small town regardless.
"Honestly," he sighed. "What on earth could pose a serious threat to you?"
Sebastian frowned. "Do not make the mistake of thinking I am invincible simply because I am a demon. There are other unearthly creatures out there that perhaps even I can't defeat."
Ciel's high, disdaining laugh pierced through the silence like a knife, echoing from the pointed rooftops of decaying houses, and scattering a few, decrepit crows from their post atop the withered trees.
"You're worrying far too much, Sebastian." The butler and the boy spoke no more for a while.
As they made their way further into the abandoned town, a grey matter joined the heavy fog, floating and wafting through the dank air like snow. Ciel reached out to one, and caught it on his fingertip.
"It's warm…"
"Ash." Sebastian had his eyes on a rusted metal plaque erected in the center of the square.
"Apparently, this used to be a mining town, before it was ravaged by a series of underground fires. The cause of the fires is still unknown… but according to the plaque they are still burning today. This," Sebastian gestured toward the floating matter. "Must be the ash from the flames, rising from the mines with the heated air."
"It's… kind of eerie… everything's so grey, so forgotten. Like, this town sits completely outside of time."
"That may be more accurate than just a metaphor. Look at the date on this plaque." The butler stepped away so Ciel could see.
"Nineteen-ninety nine… Sebastian, that's over a century from now!"
"There's more. Look at the day the fires began." Ciel's eyes scanned the text.
Sadly, Silent Hill has functioned as nothing more than a tourist attraction since its bustling mining-town residents were forced to evacuate.
No one is quite sure how the fires began, but many of the old, superstitious crowd like to claim witchcraft, or a demonic presence.
Regardless, on July 8th, 1889, a vicious, unexplained fire broke out in the mines beneath Silent Hill, forcing hundreds of citizens to flee and many more to lose their lives.
"The 8th of this year… Sebastian, that's in four days!" The butler gazed out silently over the forgotten town.
"What does that mean, are we… have we traveled to the future or something?"
"No… I think what you said earlier sums it up best of all, bocchan." The two looked across the silent square. The road stretched out in both directions as far as they could see. The decrepit buildings loomed, but would not fall, and malicious ivy climbed the walls, working its way into the brick. The ominous fog lay a heavy feeling across the town, and the ash drifted in and out, in and out, casting an eerily beautiful aura upon the scene.
"I believe… we are somewhere outside of time."