Harry Potter and Blue Exorcist/青の祓魔師 Crossovers
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)
Rated: T - English - Hurt/Comfort/Mystery - Chapters: 4 - Words: 15,646 - Reviews: 29 - Favs: 47 - Follows: 70 - Updated: 3/22 - Published: 2/4 - Harry P., Rin O.
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 - Published: 2/18 - Lily Evans P., Severus S., Amaimon, Rin O.
Operation Codex Caeruleum by Mor de interficio silvam 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. AND I MEAN IT, REVIEW, GODAMMIT!
Rated: K+ - English - Adventure/Supernatural - Chapters: 2 - Words: 4,967 - Reviews: 2 - Favs: 11 - Follows: 17 - Updated: 1/17 - Published: 10/10/2013 - Harry P., Sirius B., Rin O., Shura K.
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. CURRENTLY ON HIATUS
Rated: T - English - Adventure/Fantasy - Chapters: 6 - Words: 6,995 - Reviews: 22 - Favs: 31 - Follows: 54 - Updated: 8/31/2013 - Published: 8/11/2013
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: 70 - Favs: 135 - Follows: 224 - 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: 54 - Favs: 77 - Follows: 138 - 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: 21 - Favs: 9 - Follows: 12 - 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: 76 - Favs: 246 - Follows: 173 - Published: 7/8/2011 - Harry P., Yukio O. - Complete