In this story, Tanjiro wasn't able to become a human after the fight against muzan and becomes the new king of demons. Now in the modern era, tanjiro is attempting to create a serum using his blood to make his demons walk under the sun. But he discovers the new hashiras of the now demon slayer are the same hashiras he met in the past. And that is when he gets worried, because he remembers their strength. But using whats left of his humanity to create a drug that will weaken him so much giving the slayers a chance to kill him. But most of his humanity is now gone. The now modern hashiras remember their past lives and nezuko, Zenitsu, and inoskue remember their past lives.

From birth Izuku was always different from his twin sister Izumi. His whole family thought him deaf because he had never said a word and unlike any of his true family he had maroon eyes and at least his father and sibling thought he had green hair but they rarely payed attention to him because he was deaf and he always clung to his mother for some reason, and to top it all off he was quirkless. UA is a college. All rights to their respective owners

Hello, this is my first story. I don't own demon slayer or Any photos or videos I use in this story the credit goes to their rightful owners (English is not my first language so there might be a lot of spelling/grammar mistakes) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In this story, Y/n is an abnormal boy with an extremely handsome face and a kind heart (and a curse). watch what happens to him as he has the attention of the uppermoon's and the demon queen muzan herself, for he is destined to be their husband. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ ˜"*°•.˜"*°• Best rankings achieved •°*"˜.•°*"˜ #61 in fanfiction out of 1.07M on 9 Aug 2022 #181 in xreader out of 142K on 28 Aug 2022 #178 in malereader out of 27.4K on 7 Oct 2022 #129 in harem out of 20K on 31 July 2022 #20 in demonslayer out of 15.3K on 9 Sep 2022 #10 in kimetsunoyaiba out of 5.96K on 2 Sep 2022 #4 in genderbend out of 4.78K on 14 July 2022 #8 in uppermoons out of 507 on 12 Sep 2022 #5 in daki out of 454 on 24 July 2022 #1 in nakime out of 91 on 29 May 2022 #5 in yandereharem out of 69 on 21 June 2022 #1 in yanderexmalereader out of 63 on 29 May 2022 #1 in femaleyandere out of 56 on 29 May 2022 #1 in Malereaderxharem out of 43 on 19 April 2022 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Started on 3/03/2022 - Completed on 12/04/2023

Instead of Giyuu tomioka finding Tanjiro, kyojuro Rengoku, the flame hashira, does. Kyojuro see's potential in Tanjiro and because he has no successor he trains Tanjiro in the art of flame breathing. Nezuko will be dead(by tanjiros hands). Sorry not sorry(?)

Tanjiro who has become a demon by accident starts his journey with his little sister nezuko. It's not just a role swap au ,it's something more!! What if Tanjiro has been overpowered and mastered total concentration constant breathing since he was 8 years old? What if Yoriichi was the ancestor of tanjiro Kamado? What if the drug to turn a demon into a human was already made? And what if their brother Takeo was still alive? Read out to find out.. The cover and the other pictures does not belong to me......

In the final battle against Muzan, Tanjiro had put his life on the line for his comrades and the innocents. In the midst of chaos, Muzan was defeated but at what cost? What if Tanjiro survived and became the demon king? This is the story not for the faint hearted. Disclaimer: "I don't own Demon slayer in any way or form."

Tanjiro comes home to find his entire family dead. He was later found by Giyuu and was sent to Urodaki to train to become a demon slayer. But after he got their he got dreams of someone with hanafuda earrings(Yorrichi) performing a breathing technique he heard him call sun breathing that looked very similar to his family dance. After he told Urodaki about this he immediately told Tanjiro about sun breathing and that only one person was able to do it. After seeing that Tanjiro cam actually use sun breathing he immediately told him to train and train more in this breathing technique. Over the next two years Tanjiro would get the same dreams and has learned how to perform the 12 moves flawlessly and is still training to do the 13 form. Read the first chapter for more information.

Muzan was getting strange reports of demons getting killed off in large numbers, he investigated and heard something that horrified him "Sun breathing, first form: waltz" This will be a tanjiro x mitsuri ship and slow updates

Muzan had found the kamado's who were the descendants of yoriichi, he killed the family but found a baby tanjiro and was intrigued by tanjiro that he showed no fears towards him. Now he raised and trained him to be a spy for muzan and hopefully bring down the demon slayer Corp

muzan visits earlier then expected for the kamados and ended up with a child to raise