Harry Potter and Kuroshitsuji Crossovers
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Le jumeau sorcier by Baka Mimi desu reviews
Astre a toujours vécu dans l'ombre de son frère, Ciel Phantomhive... jusqu'à ce jour d'été 1990 où il reçu une étrange lettre d'un collège de sorcellerie. à partir de là, sa vie changea radicalement dès le moment où il rencontra un autre garçon dans la même situation que lui : le célèbre Harry Potter.
Rated: K+ - French - Adventure/Friendship - Chapters: 5 - Words: 11,848 - Reviews: 5 - Favs: 20 - Follows: 24 - Updated: 10/12 - Published: 4/5/2021 - Harry P., Ron W., Hermione G., Ciel P.
Grow in Darkness by Sun's Daughter93 reviews
Some things are better left in the darkness. Retribution was coming. They wouldn t know what hit them until it was too late. Never be idiot enough to piss off a demon.
Rated: M - English - Adventure/Mystery - Chapters: 4 - Words: 11,074 - Reviews: 3 - Favs: 22 - Follows: 31 - Updated: 10/9 - Published: 8/9 - Harry P., Ciel P.
A Little Wicked by PetraTedros reviews
In the summer after Fourth Year, Henrietta Potter letter's to her friends suddenly stopped, and it took weeks for Figg to notify Dumbledore about not seeing Potter around. When the Advance Guard decided to retrieve Potter they found the girl exactly where she was supposed to be, but now she was being followed by a shadow of a butler. Fem!Harry. A Ciel-is-Harry type of story.
Rated: M - English - Supernatural/Fantasy - Chapters: 4 - Words: 12,641 - Reviews: 6 - Favs: 65 - Follows: 104 - Updated: 9/30 - Published: 9/23 - Harry P., Ciel P., Sebastian M.
Red Death by Moonmeetsthestars reviews
Harry dies becomes the master of death and becomes a soul reaper.
Rated: T - English - Supernatural/Fantasy - Chapters: 12 - Words: 6,934 - Reviews: 18 - Favs: 148 - Follows: 178 - Updated: 8/21 - Published: 6/4/2021
Death Goddess of Hogwarts: and the sorcerers stone by Girlenterinpen reviews
Roxanne Mbarim is chosen for a Job at Hogwarts. Making Enemies and Allies though out the year. What else could face her in the Wizarding World. I own nothing of J.K. Rowling's or Toboso, Yana's. The OC's and anything else you DON'T Recognize is mine.
Rated: T - English - Adventure/Fantasy - Chapters: 12 - Words: 36,224 - Reviews: 15 - Favs: 35 - Follows: 40 - Updated: 8/1 - Published: 10/16/2013 - Draco M., Albus D., Undertaker, OC
L'Île éternelle : Les Sorciers et Lui by Noyr Desyre reviews
Voldemort était définitivement mort. Harry avait gagné, en puissance mais surtout sa liberté. Tout du moins s'est ce qu'il croyait.
Rated: K - French - Adventure - Chapters: 1 - Words: 4,324 - Reviews: 15 - Favs: 114 - Follows: 69 - Updated: 7/19 - Published: 3/6/2018 - Harry P., Ron W., Hermione G., Sebastian M. - Complete
Elfos y Veelas ¡Cuantos problemas! by Fire Oblivion reviews
Que me dirias si te das cuenta que toda tu vida ha sido una mentira, manipulada y moldeada en la que eres la figurilla central dejada en la ignorancia. ¿Como seria averiguarlo todo a la mala? Y, despues de ese golpe... ¿Todo seguiria igual? ¿Los perdonarias a todos con una sonrisa? Eso es lo que Harry Potter va a averiguar
Rated: M - Spanish - Drama/Mystery - Chapters: 20 - Words: 82,245 - Reviews: 120 - Favs: 157 - Follows: 170 - Updated: 3/21 - Published: 9/24/2015 - Harry P., Draco M., Ciel P., Alois T.
Ronald Knox's Adventure in Hogwarts by Amber K Black reviews
This is the second book in The Many Mishaps in a Grim Reaper's Life series. Ronald is going into William's office when a bright light flashes and he has disappeared. He finds himself in Hogwarts how will he survive the fifth year and will he be able to get home? Will the Golden Trio be his friends or will they be suspicious of him. He becomes friends with the Weasley twins.
Rated: K+ - English - Adventure/Friendship - Chapters: 6 - Words: 4,909 - Reviews: 2 - Favs: 6 - Follows: 10 - Updated: 12/30/2022 - Published: 6/6/2020 - George W., Fred W., Ronald K.
Ciel Phantomhive and The Prisoner of Azkaban by BadBadz reviews
Ciel and Sebastian make a deal with Albus Dumbledore to go to Hogwarts and help them deal with Voldemort, at the cost of Dumbledore's soul. Ciel joins Harry, Ron, and Hermione in their adventure as they deal with Sirius Black, Dementors, Quidditch, and Draco Malfoy, with a side helping of magic. Established SebastianxCiel.
Rated: T - English - Adventure/Friendship - Chapters: 14 - Words: 57,118 - Reviews: 9 - Favs: 40 - Follows: 38 - Updated: 10/28/2022 - Published: 10/21/2022 - Harry P., Ron W., Ciel P., Sebastian M. - Complete
Arthur Richard Phantomhive by Lionne.Fluffy reviews
Les Potter sont morts, mais au lieu de finir chez son oncle et sa tante, Harry Potter est adopté par la famille Phantomhive et grandit tout en apprenant à contrôler sa Magie. Mais quand les malheurs frappent sa famille, pourra-t-il aider son frère Ciel à surmonter tout ça ? Le monde Magique n'est pas non-plus près à ce qui les attendent à son arriver à Poudlard !
Rated: K - French - Family/Crime - Chapters: 3 - Words: 7,502 - Reviews: 28 - Favs: 113 - Follows: 134 - Updated: 9/4/2022 - Published: 11/22/2020 - Harry P., Ciel P., Sebastian M.
Of Demons and Wizards by dishs0ap reviews
Sebastian never got letters, so when the Wizards sent him one, Ciel knew he was in for a bumpy ride. Pretending to be a wizard schoolboy was not on his to-do list. (Warning: full of old 2009 HP crossover cliches) (Rated T for mild swearing and maybe some suggestive jokes) (no ships at the moment unless asked for )
Rated: T - English - Humor/Drama - Chapters: 1 - Words: 751 - Reviews: 2 - Favs: 19 - Follows: 34 - Published: 2/15/2022
The Queen's Hound by Writing Shop 12 reviews
On a dark and stormy night a demon answers the summons of a young boy in pain. This time his name is not Ciel. England had better prepare itself for a pissed off Harry Potter with a demon butler as his right hand. OP Harry. Harem story. Bits of Hellsing tossed into the mix for Alucard shenanigans.
Rated: M - English - Adventure/Romance - Chapters: 1 - Words: 5,062 - Reviews: 29 - Favs: 396 - Follows: 446 - Published: 12/2/2021 - Harry P., Elizabeth M., Mey-Rin, Sebastian M.
Black Butler: Hogwarts Edition by PomegranateLemonade
Yes; it's pretty much what it sounds like. Houses, blood statuses, Quidditch positions, class ranks, and other assorted Hogwarts-related miscellanea for members of Black Butler cast. Feel free to request characters or to debate particulars in the comments. But no Howlers, yeah?
Rated: K - English - Humor/Adventure - Chapters: 8 - Words: 497 - Favs: 3 - Follows: 3 - Updated: 10/25/2021 - Published: 10/1/2021 - Ciel P., Sebastian M., Agni
Harry Addams by kingleo.chuenchom reviews
What if Harry had killed the Dursley, What if Harry got adopted by the Addams Family and what if Harry meets Ciel Phantomhive and he was Harry mate and what if Harry got put into Slytherin how well things change. This fanfic has Yaoi in it if you don't like it please don't read it thank you
Rated: M - English - Hurt/Comfort/Romance - Chapters: 8 - Words: 11,565 - Reviews: 38 - Favs: 141 - Follows: 167 - Updated: 10/4/2021 - Published: 10/31/2019 - Harry P., Ciel P.
Ancient is the Love of Life PL by kapibaruu reviews
Do wielkiego tańca Demonów, Aniołów i Żniwiarzy dołączył nowy gracz. Sebastian i jego pan, Ciel Phantomhive napotykają nieznaną zmienną po otrzymaniu tajemniczych wskazówek od Undertakera i ponurego ostrzeżenia, aby ostrożnie stąpać po ziemi od niezwykle poważnego Grella Sutcliffa. Zafascynowani, Ciel i jego towarzysze próbują rozwikłać tajemnicę nowego "sługi", którym jest Hadrian
Rated: T - Polish - Supernatural/Fantasy - Chapters: 2 - Words: 438 - Reviews: 4 - Favs: 3 - Follows: 9 - Updated: 4/4/2021 - Published: 3/28/2021 - Harry P., Ciel P., Sebastian M., Undertaker
Le démon de Poudlard by Baka Mimi desu reviews
(Post saison 2 ) Tout commence, dans un contexte de guerre entre anges et démons, en 1894, lorsque deux élèves de Poudlard trouve le corps d'un petit démon, Ciel Phantomhive...
Rated: T - French - Friendship/Mystery - Chapters: 9 - Words: 36,653 - Reviews: 7 - Favs: 11 - Follows: 12 - Updated: 3/29/2021 - Published: 9/19/2020 - Albus D., Ciel P.
He's Death's Master by luna mara reviews
and errand boy... After the final battle, Harry became the Master of Death. Six years later, he is now working with the reapers. Soon though his life will become entangled in a violent plot for revenge, and learn true annoyance in the form of a certain mysterious butler.
Rated: M - English - Romance/Adventure - Chapters: 9 - Words: 15,001 - Reviews: 179 - Favs: 1,199 - Follows: 1,458 - Updated: 3/16/2021 - Published: 9/29/2017 - [Harry P., Sebastian M.] Ciel P., Grell S.
One hell of Demon Butler by Luna3464 reviews
Harry James Potter is the real Boy-Who-Lived, but his twin brother Jack Potter is mistaken for the BWL. Harry's parents abandoned him to the Dursley's, only to be sold to the devil worshiping cult. Where he was turned into a demon and sent back in time. What will happened when the wizarding world needs it the real boy who lived only to find a demon his place. yaoi harem
Rated: M - English - Adventure/Romance - Chapters: 3 - Words: 10,070 - Reviews: 42 - Favs: 535 - Follows: 567 - Updated: 2/13/2021 - Published: 12/24/2018
His Butler, and the Problem with Magic by i-prefer-the-term-antihero reviews
Life at Hogwarts isn't all bad…usually. But when Valentine's Day rolls around, and Lockhart throws an extravagant ball, the number of couples at school the next day skyrockets, and Sebastian finds himself a new object of devotion…Can Ciel save his butler from the spell on his own?
Rated: K+ - English - Humor/Mystery - Chapters: 2 - Words: 17,342 - Reviews: 6 - Favs: 11 - Follows: 11 - Updated: 2/12/2021 - Published: 6/30/2019 - Ciel P., Grell S., Sebastian M., Undertaker
Demon's Love by RosaConnor12 reviews
Harry was supposed to die when the killing curse hits him in the final battle but goes back in time. What will happen when he serves the Phantomhive family? Will he find love or more pain?
Rated: M - English - Adventure/Romance - Chapters: 5 - Words: 4,567 - Reviews: 25 - Favs: 270 - Follows: 359 - Updated: 2/12/2021 - Published: 1/19/2018 - [Harry P., Sebastian M.] Ciel P.
Harry potter? who my name is Harrison luka phantomhive by Bloom Stella vampire firestar reviews
harry potter wasn't harry potter what if ciel was a pureblood wizard but he was all so a dragon and human hybrid and was a submissive and was able to get pregnant what if he was never turned demon but was all ready immortal what if sebastian is his mate what if harry is sebastian and ciel's son harrison luka phantomhive what if dumbuldore toke harrison. full summery inside yaoi
Rated: T - English - Romance/Supernatural - Chapters: 7 - Words: 12,567 - Reviews: 18 - Favs: 99 - Follows: 104 - Updated: 1/9/2021 - Published: 3/15/2016 - [Cedric D., Harry P.] [Ciel P., Sebastian M.]
We are Phantomhive by stormflame89 reviews
Death must have had a wicked sense of humor. Nothing else could explain Harry being dropped into another world. He must struggle through life with demons, angels, death gods and a brother as Hadrian Phantomhive, the first son of Vincent and Rachel. Slash/yaoi H/Lau
Rated: M - English - Angst/Fantasy - Chapters: 12 - Words: 34,255 - Reviews: 153 - Favs: 1,116 - Follows: 1,420 - Updated: 12/29/2020 - Published: 1/18/2018 - Harry P., Death, Ciel P., Sebastian M.
His Witch, Trouble by xxlilmusicxx reviews
While on the run in their seventh year, a curse sends Harry and Alexis Potter back, separated in the 19th Century. On the search for her lost brother, Alex is found by Ciel Phantomhive and his demonic butler, Sebastian Michaelis. As if that wasn't enough, it turns out that they weren't the only ones sent back. Potter Twinverse AU. ***Rating may change***
Rated: T - English - Romance/Supernatural - Chapters: 1 - Words: 3,360 - Reviews: 46 - Favs: 234 - Follows: 270 - Updated: 11/6/2020 - Published: 3/30/2015 - Harry P., OC, Ciel P., Sebastian M.
To Contract a Wizard by 1-Phoenix-Feather-1 reviews
What if when Harry Potter was Seven years old, he was almost killed by his uncle..? What if Sebastian Michaelis happened to show up and form a contract with him..? Warning!: A bit of child abuse in the first chapter! Not graphical but still... Beware! Story is Better then summary, PLEASE R&R ALSO a bit of Dumbledore bashing & Black Butler spoilers.
Rated: T - English - Adventure/Suspense - Chapters: 38 - Words: 52,049 - Reviews: 242 - Favs: 726 - Follows: 703 - Updated: 7/10/2020 - Published: 1/31/2015
Ancient is the Love of Life by Lightseed reviews
A new player has entered the grand dance of Demons, Angels, and Reapers. Sebastian and his master, Ciel Phantomhive encounter an unknown variable after receiving cryptic clues from the Undertaker and a grim warning to tread carefully from an unusually serious Grell Sutcliff. Fascinated, Ciel and his companions try to puzzle out the mystery of the new "servant" that is Hadrian.
Rated: T - English - Supernatural/Fantasy - Chapters: 8 - Words: 35,044 - Reviews: 82 - Favs: 630 - Follows: 774 - Updated: 6/27/2020 - Published: 8/24/2019 - Harry P., Ciel P., Sebastian M., Undertaker
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