Kamen Rider Crossovers
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Koihime Musou Anything Goes by CMXB reviews
The world of the three kingdoms is about to have a big surprise since a new OOO will be there to bring peace but what he doesn't know theres another group that will make sure that he won't succeed but until then let's see how he also deals with girls along with having a little brother at his side.
Crossover - Kamen Rider & Koihime†Musō/恋姫†無双 - Rated: M - English - Adventure/Humor - Chapters: 62 - Words: 85,163 - Reviews: 235 - Favs: 140 - Follows: 128 - Updated: 8/23 - Published: 1/15/2020 - [OC, Kan'u U./Aisha, Sonken C./Renfa] Eiji H./OOO
MLP BLADE BRAVE by CMXB reviews
A young man is chosen to be the new Blade in the world of Canterlot High so he will meet a group of girls that will be at his side for the whole school year and be very close to him.
Crossover - My Little Pony & Kamen Rider - Rated: T - English - Adventure/Fantasy - Chapters: 70 - Words: 142,730 - Reviews: 348 - Favs: 174 - Follows: 169 - Updated: 8/22 - Published: 2/20/2020 - [Sunset Shimmer, Rainbow Dash, OC] K. Kenzaki/Blade
RWBY: Bonds Between Hearts by striberx reviews
As a new era begins, a new danger emerges not from the past or below. But from it's people. Faust is here, creating experiements to further their goal for the ultimate source of power, Pandora's Box. But they need a subject to become the catalyst for it. Enter Experiment 931, the only one to have survived the Nebula Gas thus far. What will become of him in this tale?
Crossover - Kamen Rider & RWBY - Rated: T - English - Fantasy/Adventure - Chapters: 18 - Words: 142,424 - Reviews: 87 - Favs: 79 - Follows: 81 - Updated: 8/22 - Published: 7/15/2019 - [OC, Yang X.L.] Evolto, Team RWBY
Kamen Rider Cipher by Mass Procrastination reviews
Given a second chance at life, a nobody must step up to help his saviour & partner stop the destruction of other worlds, allying themselves with powerful warriors and meeting colourful characters along the way.
Crossover - Super Sentai & Kamen Rider - Rated: M - English - Adventure - Chapters: 7 - Words: 40,167 - Reviews: 1 - Favs: 6 - Follows: 6 - Updated: 8/21 - Published: 1/1 - OC
Armored rider of zero: Riders of the Twin Moons by Taiman215 reviews
Two brothers are summoned by a royal pinkette to become her familiars only problem is that she sucks at magic, so now they are trapped in a world they don't know forced to become her servants but a invading force will force them to take up arms to protect this new world from the Helheim. (Currently fixing up older chapters)
Crossover - Familiar of Zero & Kamen Rider - Rated: T - English - Adventure/Romance - Chapters: 14 - Words: 113,765 - Reviews: 43 - Favs: 91 - Follows: 93 - Updated: 8/20 - Published: 10/30/2018 - Louise, Tabitha, Henrietta, OC
Avengers Build Up by CMXB reviews
A new Build has been chosen to go to a world of Superheroes and Villains, there he will join a team of heroes that will avenge all the wrongs done by evil and he has the perfect formula to do it.
Crossover - Kamen Rider & Avengers: Earth's Mightiest Heroes - Rated: M - English - Adventure/Sci-Fi - Chapters: 95 - Words: 169,380 - Reviews: 539 - Favs: 302 - Follows: 286 - Updated: 8/20 - Published: 1/14/2020 - [OC, Wasp, Carol Danvers/Ms. Marvel] Sento K./Takumi K./Build
Kamen Rider Lycoris by KamenWriter1971
It's been a year since Chisato Nishikigi's last confrontation with Majima. Crime has been more rampant. Illegal weapons are everywhere. Lycoris are going on missions nearly every second. But in the background of all of this, a young Lycoris does her best to bring peace. Blissfully unaware of SHOCKER. Blissfully unaware of Augments. Blissfully unaware of the despair to come.
Crossover - Kamen Rider & Lycoris Recoil/リコリス リコイル - Rated: T - English - Drama/Sci-Fi - Chapters: 7 - Words: 20,960 - Favs: 5 - Follows: 6 - Updated: 8/20 - Published: 7/13 - [Chisato N., Takina I.]
Sympho-Saber: Song of Swords by ZeroEnchiladas reviews
Noise are mindless creatures that kill with a single touch. The Megid are monsters who wish to take advantage of that so they can rewrite the world's story. But there are those who stand against them, be they singers or swordsmen. They are the Symphogear Wielders and Kamen Riders, and how this story ends is for them to decide! (Currently on Symphogear GX)
Crossover - Kamen Rider & Senki Zesshō Symphogear/戦姫絶唱シンフォギア - Rated: T - English - Sci-Fi/Fantasy - Chapters: 40 - Words: 395,764 - Reviews: 244 - Favs: 165 - Follows: 176 - Updated: 8/20 - Published: 8/14/2021
Tales of the Kamen Riders Kamen Hunters by PhantomCross19 reviews
Beneath the people's feet in Arcadia Oak, there is a secret world. A vast civilization where good trolls live and evil trolls lurk. For centuries, these lands have been protected by one warrior, the Trollhunter. Now a new Trollhunter has been chosen and has the power of a Kamen Rider backing him up. Hear the tale about them keeping Arcadia safe from the evil that wants to rise up.
Crossover - Kamen Rider & Trollhunters - Rated: T - English - Supernatural/Adventure - Chapters: 13 - Words: 62,495 - Reviews: 2 - Favs: 19 - Follows: 22 - Updated: 8/20 - Published: 1/5 - OC, James Lake Jr./Jim, Claire N., Tobias D./Toby
Kamen Rider Geats: Progressive Desire by Nexus Grand Prix reviews
The Desire Grand Prix is a game where players compete as Kamen Riders to protect the world from the unknown Jyamato threat. The winner of the DGP will be the Deza Shin and receive the grand prize: making your ideal world come true. Ace Kamihara enters the DGP as Kamen Rider Geats in order to achieve his ideal world. (Multi-Cross) (SAO X HOTD X Oshi no ko) OC X Ai
Crossover - Kamen Rider & Sword Art Online/ソードアート・オンライン - Rated: T - English - Supernatural/Drama - Chapters: 2 - Words: 19,780 - Reviews: 18 - Favs: 40 - Follows: 40 - Updated: 8/19 - Published: 8/3 - [Asuna/Asuna Y., Kirito/Kazuto K.] OC
Winx Over Quartzer by CMXB reviews
A new Zi-O has been chosen to become a king to a new world where Fairies and Witches exist, he will become a King and rule over all but he will have to save his new home and become a good Demon King. Rider Time.
Crossover - Winx Club & Kamen Rider - Rated: T - English - Adventure/Fantasy - Chapters: 54 - Words: 111,989 - Reviews: 325 - Favs: 241 - Follows: 236 - Updated: 8/19 - Published: 1/27/2020 - [Stella, Bloom, OC] Sougo T./Zi-O
Kaitou San'ningumi Yoshimaizers Random One: Origins by KivatheDCWizard reviews
Inspired by the Toku works of Ri2. Jinx the Bat Gangler, Tamariko the Peacock Spider Fangire and Karashi the Basilisk Legendorga are a trio of benevolent Kaijin whom become phantom thieves to steal from the rich and corrupt, and protect the poor and downthrodden. Jinx is delightfully insane, Tamariko is a sarcastic scientists and Karashi is a big pupper. Enjoy the hijinks.
Crossover - Super Sentai & Kamen Rider - Rated: T - English - Humor/Adventure - Chapters: 3 - Words: 14,759 - Reviews: 3 - Favs: 4 - Follows: 3 - Updated: 8/19 - Published: 9/28/2022
Ben 10 Switch On by CMXB reviews
A new Fourze has arrived at the world of Ben 10 with a mission to be a new hero of the universe while befriending anyone he meets, what adventures will he do only time will tell now, Uchu Kita.
Crossover - Ben 10 & Kamen Rider - Rated: T - English - Adventure/Sci-Fi - Chapters: 50 - Words: 73,113 - Reviews: 297 - Favs: 183 - Follows: 172 - Updated: 8/18 - Published: 12/22/2019 - [Julie Y., OC] Gentaro K./Fourze
Kamen Rider Magic: the Gamer Rider by Potterformers reviews
inside story
Crossover - Harry Potter & Kamen Rider - Rated: T - English - Sci-Fi - Chapters: 20 - Words: 30,078 - Reviews: 24 - Favs: 109 - Follows: 102 - Updated: 8/18 - Published: 10/15/2017 - Harry P., Hermione G., Ginny W., OC
Kamen Rider SideRide Chronicles: Oscura's Encore by Dr. Exposition reviews
Are you ready for an encore? Luz Noceda, once known as Kamen Rider Oscura, is asked to don the mantle again in a tournament that will grant her heart's desire. But the monsters and other Riders aren't the only things she will have to fight, as Luz must battle her inner demons and the shadows of her past. Will she rise above it or fall into the darkness again? It's Showtime!
Crossover - Kamen Rider & Owl House - Rated: T - English - Adventure/Drama - Chapters: 26 - Words: 248,925 - Reviews: 143 - Favs: 56 - Follows: 50 - Updated: 8/17 - Published: 4/6 - [Luz N., Amity B.]
Rider Time: Roze Gaiden Collection by ZeroEnchiladas reviews
The story of Ruby Rose from Remnant who became Kamen Rider Roze has grown exponentially. So much that there are some stories worth telling beyond the main chapters and interludes of the main story. This is a compilation story that will span across Roze from Remnant's story and even go beyond eventually.
Crossover - Kamen Rider & RWBY - Rated: T - English - Adventure - Chapters: 3 - Words: 22,479 - Reviews: 14 - Favs: 53 - Follows: 48 - Updated: 8/16 - Published: 12/23/2022 - Sougo T./Zi-O, Ruby R.
Kamen Rider Wizard: Date of Hope II by Shunya Toshiki reviews
Wizard is back. Time had passed after Shido had sealed Kotori's Spirit powers, and now new Spirits had made an appearance. The Phantoms are still on the hunt for Gates, but a new Mage had also made an appearance. Watch as Shido uncovers the mysteries that surrounds them and as he discovered the secrets of Koyomi's past. Raise the curtains...because it's Showtime.
Crossover - Kamen Rider & Date A Live/デート・ア・ライブ - Rated: T - English - Adventure/Humor - Chapters: 26 - Words: 236,859 - Reviews: 107 - Favs: 121 - Follows: 114 - Updated: 8/15 - Published: 3/19/2021 - Koyomi, Shido I., Tohka Y., Miku I.
Ex-Aid: Gaming Chronicle by Infloenix Burst 185 reviews
Emu is a doctor at Seito University Hospital and a Gaming genius, he uses the power of game with the Game Driver and Gashat to transform into Kamen Rider Ex-Aid and face down a mysterious computer virus known as Bugster. As he fought them, he met a mysterious girl with no memories, her name is Yui.
Crossover - Kamen Rider & Sword Art Online/ソードアート・オンライン - Rated: T - English - Friendship/Hurt/Comfort - Chapters: 5 - Words: 39,480 - Reviews: 6 - Favs: 49 - Follows: 48 - Updated: 8/15 - Published: 12/25/2020
Dragon Ball Red Desire by CMXB reviews
The History of the Dragon Ball universe is being altered by a unknown foe so a new warrior is summoned to help restore it, this new warrior is the new Kamen Rider Kuuga that will not only protect History but the smiles of everyone.
Crossover - Dragon Ball Z & Kamen Rider - Rated: M - English - Adventure/Fantasy - Chapters: 41 - Words: 70,805 - Reviews: 185 - Favs: 153 - Follows: 140 - Updated: 8/14 - Published: 4/18/2020 - [Android 21, Chronoa, OC] Y. Godai/Kuuga
Remnant's Masked Riders by 501awezome reviews
Kamen Rider x RWBY: What if there were Kamen Riders on Remnant. Meet Kamen Rider Grimm, Dust and Hunter respectively. One is a misunderstood vigilante of the night, another a soldier for the most controversial kingdom in the world and the other guy's a mercenary for hire trying to kill both of them. OCs x Team RWBY, (OC x Ruby, OC x Weiss, OC x Yang x Blake ;)
Crossover - Kamen Rider & RWBY - Rated: T - English - Adventure/Romance - Chapters: 3 - Words: 2,161 - Reviews: 2 - Favs: 5 - Follows: 4 - Published: 8/14 - OC, Team RWBY, Team JNPR
The King of Time and Humanity's Last Master: E Pluribus Unum by Number01BlazblueFan reviews
On their way to America during the War of independence, our Heroes are now caught in a war between the US Army led by Thomas Edison and the Celts led by Queen Medb and Cu Chulainn Alter. They must then stop the war with the help of Florence Nightingale and Emu Hojo before things go worst.
Crossover - Fate/stay night & Kamen Rider - Rated: T - English - Adventure/Western - Chapters: 12 - Words: 41,356 - Reviews: 6 - Favs: 19 - Follows: 18 - Updated: 8/14 - Published: 5/18/2022 - Ritsuka F., F. Nightingale, Emu H./Ex-Aid, Sougo T./Zi-O
The Desire Grim Prix by ThePromisedMask reviews
When Ruby Rose woke up, she knew something was wrong. Blake was hiding her ears, Weiss slept soundly, and Yang... Well, everything was wrong, as though Salem had never assaulted Remnant to begin with. When an organization called the Desire Grim Prix appears, alongside a new species of Grimm that only they can defeat, Ruby finds herself in a survival game to win her world back.
Crossover - Kamen Rider & RWBY - Rated: T - English - Adventure/Drama - Chapters: 3 - Words: 13,865 - Reviews: 18 - Favs: 48 - Follows: 71 - Updated: 8/13 - Published: 5/3 - [Ruby R., Penny P.] Roman T., Qrow B.
Zenkaiger AU: Nagurareta Sentai Hakaiger by CaptainNinnin reviews
Have you ever thought about what could have been? Here is a story about what could have happened before the Kikaitopia Dynasty Tojitendo had attacked planets rather than trap them in gears. And the effects on those worlds that had alternate Super Sentai and others. And what will happen to those after the invasion? Super Sentai is owned by ToeiCompany,Ltd I own nothing but the idea.
Crossover - Super Sentai & Kamen Rider - Rated: M - English - Tragedy/Fantasy - Chapters: 12 - Words: 42,586 - Reviews: 1 - Favs: 3 - Follows: 5 - Updated: 8/13 - Published: 7/9/2021
Remnants of Desires: Edge of Avarice by ShadowBladeKnight reviews
With our pasts confronted and moving on; to reunite and continue onward to a new task upon learning more secrets of the world, to arrive at our destination and continue what we came to do but not all is well as evil forces is on the horizon and more challenges await for us.Only this time… will I be able to push through or will my power as OOO finally succumb me into madness?
Crossover - Kamen Rider & RWBY - Rated: M - English - Adventure/Hurt/Comfort - Chapters: 8 - Words: 71,954 - Reviews: 54 - Favs: 82 - Follows: 88 - Updated: 8/12 - Published: 1/6 - [OC, Blake B.] Ankh, Team RWBY
kill la ghost lifefiber off the hood by Artzilla406 reviews
Ryuko has been searching for her fathers killer and the other half of her fathers scissor blade and she has her lead on Honnouji Academy and she will get her answers, but what if someone that who knows her sent childhood joins her adventurer? OC X heram
Crossover - Kamen Rider & Kill la Kill/ キルラキル - Rated: M - English - Adventure/Supernatural - Chapters: 11 - Words: 77,671 - Reviews: 16 - Favs: 74 - Follows: 80 - Updated: 8/10 - Published: 7/23/2016 - OC, Ryuko M., Mako M.
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