Funny Valentine proved to Johnny Joestar that he is a good man. Because of that Funny Valentine owns Johnny a favor. Decades after Steel Ball run, Valentine gets a letter from Johnny requesting him to visit his home in Japan. When he goes there, well he wasn’t expecting demons there.

Natsuki Subaru loved the blade, yet he was born in a world that had cast it aside as a pice of history, still he trained with it but all his talent for it brought to him was jealous looks adding to his loneliness, truly if only he was born in a world that loved the sword as well. Perhaps a certain Envious witch will aid him.

When a War rages in the shadows what will happens when a warrior more than demons or slayers enter the fray what happens when an angel joins the battle

The Pillar Men have been sent to the Demon Slayer universe to kill Muzan.

What if Naruto found a way to stay alive while killing Kyuubi no Kitsune? What if he knew who his parents were from age five? What if he was sent to the world of demon slayer? What if he had a beathing technique that combines Sun and Moon breathing? Will he help Tanjiro or will he not help him at all? Tune in to find out the answers to these questions and more!

Naruto ends up in the Demon Slayer world and with limited memory of his own life how will things turn out?

A human's driving force is their heart. Like a raging fire, their spirit, their will, transcends life and death. A heart isn't forged from glass. No. Its made of flame. That drive to exist, a will to persist despite all else...long may it burn. Reborn after death, a wayward shinobi finds himself cast into a perilous world brimming with demons...and he's not alone. NarutoxHarem.

After being abandoned by his so-called friends. Left to be tortured, he gives up on them and reason to live, but a witch helps him and gives him purpose. The rise of the sage has finally begun. This fanfic is for fun.

Lune was only an ordinary teen that mainly loves anime and video games. Until one day, a mysterious package appears that contains the device that can travel to multiverses. Will he be able to survive this dangerous journey.

In which Hitoshi Shinsou is reincarnated as Hitoshi Kamado, and is the moon to Tanjiro Kamado's sun.

No true summary yet. Original characters! Demon SlayerDeku! Deku has a Quirk! FemaleDeku!

Some choices are harder than others to make. On that fateful night, Naruto knew he was the only one standing between salvation and damnation for the human race. Some choices just make themselves.

What happens when you have a demon slayer summoning system in naruto, well let's find out. possible in the future will be rating M.

Decided to compile all of my chapters into one book - Things have been hectic in the Demon Slayer Corp as news quickly spread of a demon's pardon by their leader. Kaoi thought things could not get any more crazy. That is until he and his Kasugai Crow, Teruo are transported into a new world. A whole new set of challenges awaits him in the kingdom of Lugnica.

Blade was finally finished with Papework. He wanted to make his favorite cast react to Naruto. So what did he do? Kidnap the Demon Slayer cast! How will the slayers and Uppermoons Muzan react to the cast of Naruto and it's concepts.

A change of fate leads to Tanjiro, Zenitsu, and Inosuke to another path. Under the guidance of Susano-o, they head to Remnant in order to train and become strong enough to defeat Kibutsuji Muzan, once and for all. Little do they know Remnant has its own host of dangers. [Cross-post from SV]

Getting dropped in an unfamiliar world was not Giyu's plan but he will get back home to Nippon. Altough the machines running around will make that a tadd dificult.

A boy of the prestigious Namikaze clan is thrust into the middle of a war with his friends and sensei at the age of twelve. Will he live through the war or will he die. Pairing: Oc x Oc Disclaimer: I OWN NOTHING EXCEPT MY OCS

So basically Zenitau get reincarnated in the world of MHA and becomes a hero and accomplishes his will.

An era has ended-a new era of science and magic has begun. However, both the science and magic world will encounter the beings of the dark that have come back into the world of man. Descendants will rise and fight as did their ancestors- -In this new era of science and magic- -A new story is about to unfold.

A demon they called him, cast him out into the old dirty mansion just outside the village. They didn't know they had just given the boy a blessing for they hadn't thrown him into a normal old mansion. Instead, they had thrown him into the old Butterfly mansion. Upon awaking, Naruto activates something that would forever change his life.

TMNT and Demon Slayer had all found themselves on a swamping island that seemed to be a new resource where mutagen canisters were being stocked. They all got along but never knew the other people were demons, they kept close eyes on Muzan and the turtle brothers and thought it would be quick until one of them goes missing, they come across a little girl who isn't who she seems.

A bitter alliance existed between jujutsu sorcerers and the Demon Slayer Corps, in a universe where Cursed Spirits killed demon slayers and demons were resistant to Cursed Energy. Dying was easy. Living was hard. Finding a happy ending was a dream. This world belonged to those who willingly sacrificed everything for it. A little girl was not one of those people. Rengoku/OC, Doma/OC

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.

After his death Kokushibo meets Yoriichi in the afterlife. Yoriichi asks him to join him in another world free of their respective pasts. Two brothers in another world full of the strong. How will they manage?