4 Demon Slayer Z » by Peter JM Gamer This has teen Goku from the start of Kami's training. Start of Kimetsu no Yaiba. Contains two OC characters. There's also a twist after the final selection. Story is also available on Wattpad. Made under poor health. Chapter 10 is out.
Dragon Ball Z & Kimetsu no Yaiba/鬼滅の刃, T, English, Mystery & Adventure, chapters: 11, words: 60k+, favs: 7, follows: 8, updated: 2h published: 5/5, Goku, Tanjirou K., Nezuko K., OC
4 Defiant Ones » by cheekybee07 A historian was tasked in maintaining the history of the mortal world. The Gods granted strength to the Hashiras, Demon Slayers, who bear the responsibility to fight the demons. A new warrior has appeared with powers to rival the Gods and the historian must participate in the world before her own is destroyed.
Dororo/どろろ & Kimetsu no Yaiba/鬼滅の刃, K, English, Adventure & Fantasy, chapters: 11, words: 13k+, favs: 6, follows: 6, updated: 10/19 published: 9/28, Hyakkimaru, Mio, Tanjirou K., Muzan Kibutsuji
10 Dragon No Yaiba Heroes » by Peter JM Gamer This crossover takes place after the Goku Black arc Dragon Ball Super and at the start of Kimetsu no Yaiba. Also it's an alternative Dragon Ball Super timeline part involving non-canon characters. Plus Dragon Ball Heroes is also involved. Story also available on Wattpad. If you haven't got anything nice to say don't say it.
Dragon Ball Super & Kimetsu no Yaiba/鬼滅の刃, T, English, Adventure & Mystery, chapters: 23, words: 177k+, favs: 14, follows: 14, updated: 10/19 published: 12/14/2019, Son Goku, Tanjirou K., Nezuko K., OC
The Not-So-Really-Good Science Project by The Keyboard Poet Kimetsu Academy received an invitation from one of the most elite school in Japan to join the inter-school festival there, and the invitation has something to do with a certain teacher and his not-so-really-good 'science project'. And Uzui-sensei is up to do something crazy again.
Ouran High School Host Club & Kimetsu no Yaiba/鬼滅の刃, K+, English, words: 952, 10/19
98 Breath of the Void » by xPenguinLordx The appearance of one person can offset an entire timeline. Changes, turns, twists. When that person doesn't exist in history, there's nothing that fate can do to try and 'right' what they have 'wronged' except to just let it happen. This is how timelines change and altered universes are created... Better known as: Musashi messes another timeline up, but in a fantastic way.
Fate/stay night & Kimetsu no Yaiba/鬼滅の刃, T, English, chapters: 26, words: 67k+, favs: 420, follows: 534, updated: 10/18 published: 3/13, [Musashi Miyamoto, Rengoku Kyoujurou] Tanjirou K., Himejima G.
36 A Boar Among Angels » by Enthused and Caffeinated Inosuke, freshly recovered from defeating Muzan and his demons, mysteriously finds himself waking up in Tokyo-3, just as one Shinji Ikari stands at a public phone, wondering why his father has called him after so many years.
Evangelion & Kimetsu no Yaiba/鬼滅の刃, T, English, Fantasy & Adventure, chapters: 20, words: 106k+, favs: 48, follows: 62, updated: 10/15 published: 6/11, Shinji I., Rei A., Misato K., Inosuke H.
11 Akatsuki no Yaiba » by Hyaenodon Story summary inside. Rated T for violence and Hidan's mouth. Also posted in AO3.
Naruto & Kimetsu no Yaiba/鬼滅の刃, T, English, Supernatural & Adventure, chapters: 3, words: 19k+, favs: 18, follows: 23, updated: 10/14 published: 10/6, Akatsuki, Kanae K., Yuichiro T.
16 scent of smoke » by aikotters They are kept together by the thread of the fire god. Or maybe its will. Whatever it is, they will not be separated again. Digimon!AU Reincarnation. Up now: Yoriichi
Digimon & Kimetsu no Yaiba/鬼滅の刃, T, English, Family & Friendship, chapters: 20, words: 2k+, favs: 14, follows: 14, updated: 10/12 published: 10/1/2019, Chosen Children/Digidestined
69 Un país entre la nieve » by neah20 Los shinobis pidieron alguien neutral para funcionar como mediadores, saben lo general de sus anfitriones pero se dan cuenta... que en verdad no saben nada.
Naruto & Kimetsu no Yaiba/鬼滅の刃, T, Spanish, Adventure & Friendship, chapters: 20, words: 99k+, favs: 42, follows: 46, updated: 10/12 published: 5/14
5 Dragon Blood » by Bearerofnews Landing in a distant land after a failed experiment wasn't the worst thing to happen to him. Until he saw the single moon in the sky far above him in the darkness. Things could have been far worse for Dovahkiin he could have ended up in the Deadlands.
Elder Scroll series & Kimetsu no Yaiba/鬼滅の刃, T, English, Fantasy, chapters: 3, words: 12k+, favs: 30, follows: 45, updated: 10/11 published: 9/7, Dragonborn/Dovahkiin, Shinobu K.
2 REENCARNACIÓN » by RAVOT En una búsqueda desesperada por un demonio capaz de dominar el sol, Muzan termino abriendo un portal a otra dimensión. Ahora Sakura incapaz de usar a chakra deberá proteger a Naruto de demonios y cazadores, en un lugar donde todo es desconocido ¿O no? ¿has oído hablar del hilo rojo?
Naruto & Kimetsu no Yaiba/鬼滅の刃, K+, Spanish, Adventure & Romance, chapters: 4, words: 10k+, favs: 10, follows: 18, updated: 10/11 published: 8/30, [Sakura H., Giyuu T.] Naruto U., Tanjirou K.
Crossing Dreams: Linkup by EpicLinkSam (Commission for BulletstormX) A spin-off of Crossing Dreams: The Slayers of Kindness. Tanjiro Kamado and Asuka have found love in one another. Now they'll be meeting inhabitants from many other worlds too!
BlazBlue: Cross Tag Battle & Kimetsu no Yaiba/鬼滅の刃, T, English, Romance & Friendship, words: 3k+, favs: 1, follows: 3, 10/2, Tanjirou K.
34 The Sword Demon's Rage by Dhaturas Threat to Humanity Detected. Counter Guardian Intervention now implementing– failed. Spiritron Stability impossible. Servant Summoning impossible. Searching for viable vessel alternatives– found. Newly augmented Spirit Origin established. Counter Guardian EMIYA summoned. Class BERSERKER. Mission Objective: Slay all the Demons!
Fate/stay night & Kimetsu no Yaiba/鬼滅の刃, T, English, Adventure & Supernatural, words: 2k+, favs: 227, follows: 310, 9/29, Shirō E., Berserker, Urokodaki S.
Where Demons Hide by Ren Hokama What do you get when you mix a wanna be Muzan and a female nice Rui in Naruto? War, complete chaos and family love
Naruto & Kimetsu no Yaiba/鬼滅の刃, T, English, Fantasy & Humor, words: 2k+, favs: 7, follows: 6, 9/26, Shisui U., Haku, Muzan Kibutsuji, Rui
5 Not a Demon » by DoomedDevil When Kaguya Otsutsuki gets reborn as the twin of Nezuko Kamado.
Naruto & Kimetsu no Yaiba/鬼滅の刃, K+, English, Adventure, chapters: 2, words: 948, favs: 10, follows: 17, updated: 9/25 published: 8/25, Tanjirou K., Nezuko K., Kaguya Ō.
36 Demon Slayer: BoBoiBoy Galaxy » by ZekeLipse BoBoiBoy finds himself thrust into a world filled with man-eating demons and demon slaying swordsmen. With no indication of how he got here and his power stripped from him, will he be able to live long enough to go back home to his own? [Kimetsu No Yaiba x BoBoiBoy Galaxy] DISCLAIMER: Demon Slayer is owned by Ufotable. BoBoiBoy/Galaxy is owned by Animonsta Studios.
Kimetsu no Yaiba/鬼滅の刃 & BoBoiBoy, T, English, Adventure & Fantasy, chapters: 33, words: 199k+, favs: 49, follows: 42, updated: 9/24 published: 1/18, BoBoiBoy, Tanjirou K., Zenitsu A., Nezuko K.
11 Crossing Dreams: The Slayers of Kindness » by EpicLinkSam (Commission for BulletstormX) The infinite possibilities of the multiverse are always amazing. Yet the meeting of two worlds is always even more. This is the story of two kind slayers.
Senran Kagura/閃乱カグラ & Kimetsu no Yaiba/鬼滅の刃, T, English, Adventure & Supernatural, chapters: 4, words: 17k+, favs: 30, follows: 29, updated: 9/21 published: 9/1, [Asuka, Tanjirou K.]
20 Twilight Zone by impertinentfool I want to be a tree that falls in love with the earth, not the sun. Tanjirou, Kagome. (revised)
Inuyasha & Kimetsu no Yaiba/鬼滅の刃, T, English, Romance, words: 9k+, favs: 77, follows: 52, updated: 9/20 published: 8/24/2019, Inuyasha, Kagome H., Tanjirou K., Zenitsu A.
Breath of Change » by Greybowtie There had to be a way to switch her back, so thus begins Sora and Riku's journey to finding a cure for Kairi. Kingdom Hearts characters in the Demon Slayer universe. Strong mentions of blood and violence.
Kingdom Hearts & Kimetsu no Yaiba/鬼滅の刃, T, English, Supernatural & Adventure, chapters: 2, words: 5k+, favs: 2, follows: 4, updated: 9/13 published: 8/3
12 a hollow perception » by Jayzsha When Kotomine Kirei was put under the tutelage of Tohsaka Tokiomi for the upcoming Holy Grail War, his eyes caught the attention of Tohsaka household's silent housekeeper, Tsuyuri Kanao.
Fate/stay night & Kimetsu no Yaiba/鬼滅の刃, T, English, Friendship, chapters: 4, words: 45k+, favs: 24, follows: 41, updated: 9/13 published: 6/12, [Kirei K., Kanao T.] Tokiomi T.
3 Black Descent » by BooknerdXD As a child of brightness, Elaine Kamado seemed to bear good fortune. However, when an ancient evil threatens the world, Elaine must fulfill her duty as member of the Demon Slayer Corp and slay it. It seems easy, or so she thinks, especially when a demon sends her back 132 years in time and meets her ancestor: Ciel Phantomhive! Can Ciel help his descendent get back to her own time?
Kuroshitsuji & Kimetsu no Yaiba/鬼滅の刃, T, English, Supernatural & Adventure, chapters: 5, words: 11k+, favs: 15, follows: 18, updated: 9/12 published: 11/12/2019
2 Honed to Perfection » by RoyalDor Pro A man who was once called the strongest man on earth had been Reincarnated into Naruto, will his journey be fun and exciting?
Naruto & Kimetsu no Yaiba/鬼滅の刃, K, English, chapters: 5, words: 5k+, favs: 10, follows: 13, 9/11
20 Gravity BNHAxKNY » by ERROR-DATA-NOT-FOUND Ochako Uraraka didn't know how she ended up in this situation. One moment she was walking down the hall to show off her kimono, and the next moment she was falling. Now in a place full of wisteria trees and demons, Ochako has to stay out a week in selection she had no business being in, and find her way home. But first, she has to survive.
My Hero Academia/僕のヒーローアカデミア & Kimetsu no Yaiba/鬼滅の刃, T, English, Adventure & Romance, chapters: 15, words: 22k+, favs: 87, follows: 111, updated: 9/10 published: 4/3
38 Gentle Old Eyes » by Yun-chi Zeno soothes her, telling her it's okay. But her cries only intensify, as she hears the tragically gentle and kind sounds in the voice of an old soul. -Zeno from Akatsuki no Yona in Kimetsu no Yaiba. Drabble-ish, atleast 1 update per week(?) and a long time before actual plot comes to play. Editing and changes in story as the manga updates and new information is revealed.
Akatsuki no Yona/暁のヨナ & Kimetsu no Yaiba/鬼滅の刃, T, English, Family & Hurt/Comfort, chapters: 53, words: 23k+, favs: 69, follows: 74, updated: 9/6 published: 10/17/2019, Zeno/Yellow Dragon
1 Avenging Demon » by DoomedDevil When Nezuko was reborn, this was not what she was expecting. (Or, when Nezuko gets dragged into the Avengers via her uncle.)
Avengers & Kimetsu no Yaiba/鬼滅の刃, K+, English, chapters: 3, words: 672, favs: 11, follows: 16, updated: 9/3 published: 8/5, Iron Man/Tony S., Nezuko K.