Trying to convince his father to see that dragons can be good went horribly wrong, he was sent to death but managed to escape his fate but now he was cursed when he meet a man know as Muzan kibutsuji.

Muzan encounters the one thing he truly fears. One shot.

How does a man become a demon? Hatred? Medicine, perhaps? Maybe its just bad luck? Truth be told, I don't have an answer. But for me, there's only one true demon in this world. We've all seen its face. That's right. I'm talkin' about sadness. Sorrow. Misery. Ain't nobody gonna suffer on my watch. So raise your head. Be proud! Smile! From this moment on, we're family. Narutoxharem.

demon slayer is a future of The naruto world and naruto goes to future and helps tanjiro

Saitama after shopping ends up in another world that he wasn't familiar with. He was confused until some flesh-eating demons start attacking them. Saitama starts to wander around until he found a brave boy fighting alongside with the slayers. and the brave boy Tanjiro becomes a duo in searching for the rumored demon king and in hopes to cure Tanjiro's younger sister Nezuko.

Rella has been mistreated by her Butterfly sisters all her life, when a way out presents itself as Prince Zenitsu's ball. But to get there she will have to make a deal with the devil.

Flashy Flash has been having doubts about his speed. But when he breaks time and is forced back through it, he is given the task of protecting Tanjiro and aiding in killing Muzan. Go through the story as Flash rips through the DS verse with new powerful foes to back up the demons.

"Gehahah! Who wants a piece of me!" -Inosuke, probably. one shot fic surounding a very (not) sane student

Tanjiro Kamado is a Yokai Taijiya; a demon slayer. He lives in the Yokai Taijiya village with his family and his sister Nezuko. Then one day hunting a boar demon, Inosuke; he meets two girls from the future and is attacked by a wandering monk, Zenitsu, releasing—Muzan.

Ulbert is getting old, but his teeth are still young for some flesh. Will he try to help the demons or demon slayers? Neither. Just gonna kill everyone who isn't pro-yddrasill. Seems reasonable.

Tanjiro Kamado is Trapped in Sword Art Online alongside 10,000 other players, can his families Kagura Dance help him get out unscathed? Or will he suffer like many others? Will he make it back to the real world to his comatose sister Nezuko? Or will he die trying? Find out by reading the Hinokami Chronicles! Ongoing

Tanjiro becomes a demon slayer and a Pokemon trainer!

In the World of Hero’s everything seems normal but in the darkness Demon hide in it. The demon king turned hero in training into a demon but with unforeseen consequences (Up for Adoption)

It is the last day of Yggdrasil and Ulbert logs in, seeing his friend Momonga. They both spend the last minutes together. Yggdrasil ends and Momonga gets Isekaid into another world, but what about Ulbert? He gets send into a world full of... demons and Demon Slayers! Let's see how our favourite Demon Goat deals with this situation. [New chapter coming soon]

Merchant of Challenges here with another Challenge! Details inside as well as a Prologue example! PM me if you are planning on writing this one as well!

After the fight with uppermon 3 Akaza. Rengoku takes his last breath in life and dies, however for some reason he wakes up in a building he has never seen before.

Izuku gets hit by a quirk that sticks a person in his head. It's not as fun as it sounds.

Blake never thought that after escaping from Adam, she would come across a different type of faunus in the woods. A man with a human body, but with a boar's head. On the other hand, the king of the forest was eyeing Blake with a challenging gaze, "Only one of us can be king!" as prideful as ever. This is the story of a Boar Rush!

Muichiro Tokito’s Tsuguko, Samuel, Wakes up in another world. Not being able to remember anything, he starts his journey to figure out why he is here. But with demons showing up in this world as well, will he be able to stop them by himself? Or will he need help from the heroes of this world? (OC)

Set in 1910s Japan, it tells the story of the struggle of the Demon Slayers against the Oni. Anglo-Japanese ripple user Jonāsan Josuta is one of the rising Slayers alongside Tanjiro Kamado in the Demon Slayer Corps, and after a while of training, comes the time to take on another mission. A group of slayers heads to Asakusa and uncover various mysteries throught their journeys.

Rachel Potter has gone though life being a weapon not really knowing who she was and what she wanted, What if she discovers some truths like she was blood adopted by Lily and James Potter who longed for a child of their own, so what if many years later after the war she leaves the wizarding world to Japan to try and find her real Family and falls in love with her Parents enemy's

Should I remain human? Or become a demon? I tried many, many times to do things the right way. 'By the book', as they say. But I was always shunned by the very same people who claimed they cared. But this demon...he was so remarkably different. He valued the same things I valued- Strength d he was offering me an opportunity to reach my goals.

Luanne wants to get away from her Life, well more like her prison from the wizarding world and from though's who had betrayed her and just wants to live a life, a life that she wants and how she wants, Unaware she got more than what she wanted

[Written in Tribute to Alexander/Technoblade] [Rewrite of The Pig, The Mask, and The Slayers] Dream and Technoblade escape from Pandora's Vault and find themselves isekai'd, by choice, in the world of Demon Slayer. Chaos Ensues.

Three of the Hashiras have a golden opportunity to change a different world how would this change the Naruto verse.