Harry Potter and Blue Exorcist/青の祓魔師 Crossovers
Demonology with Professor Rin and Yukio by Daygon Yuuki reviews
It was all Mephisto's fault they were stuck in this world. Combating demons easy. Teaching children? Not so much, especially if they were the in training wizards. Now if only her brothers would leave her alone and let her teach in peace, she was a thousand years old demon not a damsel in disaster. Fem Rin
Rated: K+ - English - Chapters: 3 - Words: 2,105 - Reviews: 23 - Favs: 19 - Follows: 29 - Updated: 4h - Published: 2/21 - Harry P., Rin O., Yukio O., Amaimon
Operation Codex Caeruleum by Harp Darkthrope reviews
Due to a potions accident, Harry Potter is aged by 15 years to a 30 year old and is placed in a coma. Good News: it was a day before the winter holidays. Bad news: magic can't solve everything. Dumbledore gets so desperate that he is willing to go as far as to put his hopes in a shady organization which he didn't even know the name of! No pairings. Yukio and Konekomaru Bashing
Rated: K+ - English - Adventure/Supernatural - Chapters: 3 - Words: 4,982 - Reviews: 4 - Favs: 19 - Follows: 26 - Updated: 1/22 - Published: 10/10/2013 - Harry P., Sirius B., Rin O., Shura K.
a white rose dyed red by shadowleaves reviews
Harry Potter became Sue Hitoshi, and no one noticed.
Rated: T - English - Adventure/Friendship - Chapters: 1 - Words: 3,277 - Reviews: 5 - Favs: 44 - Follows: 73 - Published: 1/1 - Harry P., Rin O.
Aka no Ex by darksider82 reviews
Mephisto had an agenda of his own in the form of the Red Exorcist
Rated: T - English - Adventure - Chapters: 11 - Words: 12,671 - Reviews: 44 - Favs: 210 - Follows: 251 - Updated: 10/18/2016 - Published: 7/19/2015 - Harry P., Rin O., Yukio O.
Magic & Blue Flames by SlowlyFallingApart reviews
*ADOPTED FROM ORIGINAL AUTHOR (wont allow authors name to be typed, and its really angering me :(* Rin and his friends have been transferred to Hogwarts by the request of Dumbledore. During the Goblet of Fire arc. Rated T because I can.
Rated: T - English - Adventure/Fantasy - Chapters: 1 - Words: 786 - Reviews: 6 - Favs: 22 - Follows: 31 - Published: 8/2/2016
Magic & Blue Flames by conman.anderson930 reviews
Rin and his friends have been transferred to Hogwarts by request of Dumbledore. This is during the Goblet of Fire arc. Rated T because I said so.
Rated: T - English - Adventure/Fantasy - Chapters: 13 - Words: 15,171 - Reviews: 71 - Favs: 152 - Follows: 191 - Updated: 7/10/2016 - Published: 8/11/2013
Taken by GoreslashDOW reviews
Kuraihono is kidnapped by wizards to teach kids about lamias. He is put in a cage and his knives are taken away. But no one knows something special about his knives.
Rated: K+ - English - Humor - Chapters: 6 - Words: 4,927 - Reviews: 6 - Favs: 6 - Follows: 8 - Updated: 7/10/2016 - Published: 5/24/2016
The Butler Who Lived by Ann Rawicz reviews
Harry a disparu tout l'été, mais il revient à temps pour participer au Tournoi des Trois Sorciers. Cependant, sa réapparition a apporté bien plus de questions que de réponses. Comme pourquoi il n'arrête pas d'appeler cet étrange garçon  Votre Majesté  .
Rated: T - French - Supernatural - Chapters: 3 - Words: 1,364 - Reviews: 11 - Favs: 31 - Follows: 33 - Updated: 4/29/2016 - Published: 4/13/2016 - Harry P., Rin O.
The Butler Who Lived by The Unnamed Sin reviews
Harry went missing over the summer, but he has returned just in time for the Triwizard Tournament. However his reappearance has lead to more questions than answers. Like why he keeps calling that strange boy 'Your Majesty'. AU, Manipulative!Dumbledore, and Paladin!Yukio.
Rated: T - English - Supernatural - Chapters: 3 - Words: 1,183 - Reviews: 25 - Favs: 132 - Follows: 200 - Updated: 3/15/2016 - Published: 1/19/2016 - Harry P., Rin O.
əsrəvəЯReverse by Suicide Forest reviews
On his death bed, Harry Potter makes a choice; to relive his life. Using magic and a bit of impossibility, Harry is flung into a new dimension opposite to Hogwarts, where he is known as Hadrian Riddle. In this world, Voldemort doesn't exist, but Satan does. Torn by fate, will Hadrian choose his destiny in Gehenna? Or will he make his own in Assiah? ABANDONED. UP FOR ADOPTION.
Rated: T - English - Romance/Adventure - Chapters: 22 - Words: 25,580 - Reviews: 35 - Favs: 39 - Follows: 31 - Updated: 2/12/2016 - Published: 7/6/2015
My demon class mate by PaulMamasboy.2 reviews
It will be a long story, so I hope you know what you are getting yourself into. Made by me and a friend , quick summary, Yukio is transported through time and space to hogwarts, but what happens to Rin when he was away? I'm horrible at summarys so just read it already. P.S The more you review, the more chance of another chapter
Rated: K - English - Friendship/Humor - Chapters: 8 - Words: 8,523 - Reviews: 14 - Favs: 21 - Follows: 24 - Updated: 1/13/2016 - Published: 6/11/2015 - Rin O., Yukio O., Kuro, Satan
A Certain Affinity Towards Fire by Yaodai reviews
Post!GoF. Vernon Dursley decided he's done with all that craziness around his nephew and called for help. The exorcism actually worked. The Order of Phoenix decided to do the only logical thing under these circumstances - to kidnap the exorcist! Bon was not amused.
Rated: T - English - Humor/Adventure - Chapters: 13 - Words: 118,666 - Reviews: 184 - Favs: 378 - Follows: 431 - Updated: 11/29/2015 - Published: 6/12/2014
Boy who lived, Cursed Child, and Demon child, Oh my! by Evilneko101 reviews
When Fem!Rin, Yukio, and Bon end up in Britain, and end up meeting the characters from Harry Potter, what chaos will ensue, and how will future events shift? Eventual Rin x Bon and other pairings, takes place during the 6th book of the Harry potter series. REVIEW PLEASE! P.S, The people in the harry potter series think Rin is a boy and she just kinda goes with it XD
Rated: T - English - Romance/Adventure - Chapters: 3 - Words: 2,898 - Reviews: 37 - Favs: 85 - Follows: 104 - Updated: 11/22/2015 - Published: 9/6/2015
Brothers of the Flame by DragoCygnusthefifth reviews
After the events of the fight with the Basilisk, the venom coursing through Harry's veins unlocks something deep within him, something that no one saw coming. Secrets are revealed, and everything Harry once knew has been thrown out the window. Possible M later on, maybe even MA for possible gore. Pairings will be revealed when revealed
Rated: T - English - Family/Adventure - Chapters: 4 - Words: 11,274 - Reviews: 38 - Favs: 279 - Follows: 332 - Updated: 11/21/2015 - Published: 6/24/2015 - Harry P., OC, Rin O., Yukio O.
Hair of a Demon, Heart of a Demon by Aneki Okumura reviews
When Harry an the gang are taken to Malfoy Manor, They meet and rescue a strange boy who the Death Eaters keep calling a half breed. Can they help him find his stolen sword? What do the Death Eaters mean when they say 'modified wands' and why is Voldermort so intently after this boy? Mainly HP cannon. Better summary inside. T for violence. ###SEQUEL COMING SOON! :D###
Rated: T - English - Adventure/Suspense - Chapters: 16 - Words: 85,082 - Reviews: 230 - Favs: 241 - Follows: 238 - Updated: 8/20/2015 - Published: 5/12/2014 - Harry P., Ron W., Hermione G., Rin O. - Complete
Un plan qui tourne mal by blumy reviews
Lors de l'attaque de Poudlard, Voldemort utilise une très ancienne technique d'invocation qui doit lui donner la toute puissance pour détruire ses ennemis. one shot, ma première fic.
Rated: T - French - Chapters: 1 - Words: 4,676 - Reviews: 5 - Favs: 22 - Follows: 10 - Published: 4/23/2015 - Hermione G., Voldemort, Rin O. - Complete
Earth King's Heir by TentaiMahou98 reviews
After Amaimon's fight with Rin inside of the Vatican, Satan banishes his son to Assiah, possessing the body of soon to be stillborn James potter. When he comes back to Gehenna he is not the same believing that Lily and Harry both died. In harry's third year his demonic heritage starts appearing, watch how the potter plot changes when he's the earth king son. INDEFINITE HIATUS!
Rated: T - English - Chapters: 18 - Words: 124,590 - Reviews: 244 - Favs: 761 - Follows: 759 - Updated: 4/17/2015 - Published: 9/26/2014 - Amaimon - Complete
Demon's Magic by Josiphii reviews
Centuries after the punishment of a certain demon, he reappeared at Hogwarts' Gates. Okumura Rin would repay his debt to a friend by teaching the students a new subject: Demonology. (starts in the first year of Hogwarts; planning for multiple years; original story changes due to Rin's influence) Chamber of Secrets, has now started!
Rated: T - English - Hurt/Comfort/Mystery - Chapters: 10 - Words: 55,992 - Reviews: 279 - Favs: 555 - Follows: 622 - Updated: 10/21/2014 - Published: 2/4/2014 - Harry P., Rin O.
Yayaka by A Stranger 0.0 reviews
Rin is captured by the ministry of magic but escapes with the help of the DA. But after the great fight in the department of mysteries, what will happen to our favourite half-demon? Slight OOC that'll be fixed soon-OoP book- BEING REWRITTEN (now with slash? *legasp*)
Rated: T - English - Mystery/Romance - Chapters: 4 - Words: 3,122 - Reviews: 54 - Favs: 67 - Follows: 113 - Updated: 10/3/2014 - Published: 6/12/2014 - [Harry P., Rin O., Draco M.] Mephisto P.
Felix Felicis by Mentes Perversas reviews
Necesitaba alejarse un tiempo y que mejor lugar donde nadie conociera nada de su familia, tal vez asi podría darse cuenta que el amor estaba donde menos lo esperaba.
Rated: T - Spanish - Adventure/Hurt/Comfort - Chapters: 1 - Words: 916 - Reviews: 1 - Favs: 1 - Follows: 1 - Published: 2/18/2014 - Lily Evans P., Severus S., Amaimon, Rin O.
Rin Okumura and the Triwizard Tournament by Kyritus Snow reviews
Voldemort kept his soul stable by taming a dangerous demon, Rin and Yukio attend Hogwarts to try to track down the demon and eradicate it. But the Triwizard tournament is taking place and Rin ends up being chosen as contestant causing a lot more problems for the brothers then was ever expected.
Rated: T - English - Adventure/Family - Chapters: 4 - Words: 10,266 - Reviews: 94 - Favs: 247 - Follows: 368 - Updated: 6/10/2013 - Published: 9/24/2012 - Rin O.
Blue fire is all I need by LoviROMA17 reviews
When Rin and Yukio get dragged in some kind of magic school under Mephistos orders they didn t expect to be facing dragons, mearpeople, mazes that trie to kill you and some stupid snake faced bastard tht claims he s the son of Satan. Contains spoilers
Rated: T - English - Adventure/Supernatural - Chapters: 4 - Words: 7,831 - Reviews: 60 - Favs: 132 - Follows: 195 - Updated: 6/6/2013 - Published: 1/27/2012 - Rin O.
Hogwarts and Demons by Rin-kun Okay reviews
It is Lily Potter's first year at Hogwarts and once again, there is yet another new Defense Against the Dark Arts teacher and instead of learning how to defend themselves against dark wizards and magic, they will be learning how to defend themselves from demons. Rated T because of reasons.
Rated: T - English - Humor - Chapters: 14 - Words: 25,814 - Reviews: 27 - Favs: 21 - Follows: 26 - Updated: 5/11/2013 - Published: 4/1/2013
Evolving Exorcists by Barrel of Monkeys reviews
Six year-old Harry runs away to Japan to enter a new and dangerous world of Demons and Exorcism. The tale pre-series.
Rated: K - English - Friendship - Chapters: 1 - Words: 3,645 - Reviews: 99 - Favs: 455 - Follows: 300 - Published: 7/8/2011 - Harry P., Yukio O. - Complete