Boboiboy X Demon Slayer
- Reads 3,369
- Votes 150
- Parts 31
Ongoing5h 27m
Last published Fri, Aug 15, 2025
After defeating Retak'ka, Boboiboy fell into an icy lake. When he woke up, he found himself in an unfamiliar forest. There were no aliens, no energy balls. But there were man-eating ghosts. In order to protect the people here and to find his way home, Boboiboy joined the Demon Slayer Corps. That's the story.
All Rights Reserved
Join the largest storytelling communityGet personalized story recommendations, save your favourites to your library, and comment and vote to grow your community.
You may also like
✨🦋🦋Visions (Boboiboy x Shinobu! reader)🦋🦋✨
A boboiboy x Shinobu! reader (Monsta rightfully owns boboiboy and Shinobu belongs to demon slayer.) A story which Boboiboy is still struggling to maintain his Third Tier, His friends are worried and try to help but to no success. (Idk but I haven't watched the two episodes of Boboiboy sori okay? But if he manages to take control of his 3rd tier then imagine he still doesn't in this book!) But what happenes if him and his friends were sent on a mission only to go terribly wrong and need of help. That's where two pillars to TATOPS were sent to their aid of need. But what if.... In reality... It was all never real?.... -Enjoy this story!Complete
Transmigrated as Giorno giovanna
God accidentally killed a normal otaku and sent him to a anime world as giorno giovanna with a dew items as apolagy I don't own any of the picture and i was inspired by some people at web novelComplete
Nightmare of Reality
Boboiboy start to act strange toward his elementals which worried everyone, it all happens after he woke up shouting. Can the elementals help Boboiboy? Read to find out! Side Story of Trouble Battle Series Sequel to Beware of Rocks!Complete
○°•The Moonlight•°○ ♡Demon Slayer x Demon F! Reader♡
♧ (Y/N) is a nice gentle demon, but can be quite sensitive at times. (Y/N) became a demon by almost being killed from Muzan Kibitsuji when he was killing your family on a cold windy night. His blood managed to infect her wounds to make her turn into a demon. He didn't notice because he left. Though she actually didn't know, she was a special type of demon. (Y/N) ran away from her house then found a small abandoned cottage wooden house that was still in very good condition, so she now lives there. She goes outside on nights in front of her new house to admire the moon's beautiful moonlight from the balcony she has. "I wonder why someone would abandon a beautiful wooden cottage with such scenery like this?" Her eyes sparkled as the moon shined in her eyes. ♧ Slight Various Kny x Reader! ◇ (Y/N)= Your name ◇ (L/N)= Last name ◇ Maybe grammatical errors. I keep switching pov, using ",but" "well" "Then" and it's just a mess ◇ I'm typing this on my school's computer then copying and pasting into my phone so the lines might not be good. ◇ I'm going to edit a lot of stuff. . . ◇ I'm a newbie writer so please don't be mean to me if it's bad because it probably is. ◇ I try to get at least 1000+ words for each chapter. ◇ I'm not the type of person to cuss very likely, so I use something like "chicken nuggets" for the cussing. Sorry if it annoys you. ♤ The pictures and gifs don't belong to me. They belong to the owners of them. Unless I say it is. ♤ The characters belong to Koyoharu Gotōge the writer and illustrator of Demon slayer. ☆ of course there will be gore, fighting, maybe even abuse, ect. ☆ This does contains spoilers for the anime episodes and manga spoilers. ☆ A notice and reminder this is a "peach pink theme female demon", so the color of the kimono and overall theme color for the female demon is peach pink theme. ♡ Now we will begin this Demon slayer x Demon F! ReaderComplete![Am I a Demon? [Boboiboy x Demon Slayer Crossover]](https://img.wattpad.com/cover/359156278-256-k686529.jpg)
Am I a Demon? [Boboiboy x Demon Slayer Crossover]
Boboiboy and his friends are on their holidays during New Year's festival in Japan before Boboiboy found something that brought him back to Taisho era when there was fill with man-eating demons and swordsmen whom slaying them known as Demon Slayer corp.Boboiboy was saved by 13-year-old boy "Tanjirou Kamado".Tanjirou let Boboiboy stayed with his family before he went out to sell charcoals but that night the demon lord has come and murdered Tanjirou's family.Boboiboy tried his best to protect them even he used his elemental power he still can't defeat the demon.The demon lord impressed in the boy's technique so he injected his blood into Boboiboy's body and turned him to demon.Now Boboiboy has to find his way to turn back to human and go back to present. I'm not own these character the right goes to... Boboiboy - Monsta Demon Slayer - Koyoharu Gotoge . . . . . This is my first story and sorry for bad grammar The most impressive ranking (21-28/2/2024) - #1 boboiboy (1/3/2024) - #1 boboiboy [again] (16-23/3/2024) - #1 tanjirou (6-7/4/2024) - #1 boboiboygalaxy (16-13/4-5/2024) - #1 boboiboyais (24-15/4-5/2024) - #1 boboiboytaufan (24-29/4/2024) - #1 muichiro (11-12/6/2024) - #1 boboiboytaufan [again]
Boboiboy Movie 2 X 12 Warrior Star
Boboiboy must protect his elemental powers along with his friends from an ancient villain called Retak'ka, who claim himself as the original user of elemental powers that currently Boboiboy has. He must seek 2 legendary elemental heroes who once defeated Retak'ka and learn to unlock his true potential powers before the whole galaxy got destroyed. Unknown to him, he never knew that one of the members of Headquarter Tempur-A was the person that he was told to looking for, because that person has an important role in the fight. Will he be able to defeat Retak'ka? Or Retak'ka managed to get 7 elemental powers back again and bring the galaxy into disaster? Boboiboy belongs to Animonsta. I'm only own additional storyline and character.Complete
The Wisteria Child || Demon Slayer X Readers
Y/n's family were attacked by a demon on the same day she was given birth. Her brothers and sisters were all slaughtered by the demon along with her parents. No matter how much they screamed or cried for help there were no one to help them as they lived deep into the woods in a small mountain. Kagaya Ubuyashiki who was passing by the mountain heard the cries of the family and hurried towards the direction of the voices. As he arrived, he realized he was too late, bloods were spilled everywhere and no one seemed to have survive. Until he heard a cry from inside the house, he noticed a small baby being embraced by someone who seemed to be her mother, he picked the baby off the mother's warm embrace. "Poor child. From now on...you'll be called Y/n" Ubuyashiki took Y/n in and took care of her like his own. But something wasn't right.. why did the demon leave Y/n untouched while the others were mercilessly slaughtered? He could smell a familiar scent coming out of her body...."Wisteria?" Y/n grows up to become smarter and stronger. Her dream, which is to become the strongest demon slayer.. so she could protect her own kind from those men eating demons. She didn't want to lose people who are precious to her anymore. Becoming a Demon Slayer, she trains even harder and learn lots of breathing techniques on her journey to become the strongest. Who would have thought she would become a 'Hashira' so soon? 📣❗❗ 1. This book is just a fan fiction. 2. None of the characters in this book belong to me, except Y/n. 3. Credits to Koyoharu Gotouge. 4. English is not my first language so there may be lots of grammatical mistakes. 5. The gifs and pictures does not belong to me(credits to the owners). 6. The first 20 chapters or so are not edited bdw so it's gonna be a crazy ride down there(goodluck☺️) Hello!! This is my first fanfiction so please pardon my mistakes. Well then.. Hope you enjoy reading, "The Wisteria Child"🎬![Dᴇᴍᴏɴ Sʟᴀʏᴇʀ: BᴏBᴏɪBᴏʏ Gᴀʟᴀxʏ [Sᴇᴀꜱᴏɴ 1]](https://img.wattpad.com/cover/211782112-256-k419973.jpg)
Dᴇᴍᴏɴ Sʟᴀʏᴇʀ: BᴏBᴏɪBᴏʏ Gᴀʟᴀxʏ [Sᴇᴀꜱᴏɴ 1]
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] [Story Completed] [Marked By Most Impressive Ranking]: RECENT: #1 boboiboygalaxy (08/16/22) #1 nezukokamado (02/20/20) #1 kanaotsuyuri (06/29/20) #1 boboiboy (11/05/21) #16 fang (06/28/20) #13 tanjiro (05/04/20) [Removed] #1 boboiboygalaxy (05/30/20) DISCLAIMER: • Demon Slayer: Kimetsu No Yaiba belongs to Ufotable Studios, manga written by Koyoharu Gotōge • BoBoiBoy/Galaxy belongs to Animonsta Studios • The cover photo isn't entirely mine. Just_arielle is the owner of the artwork. Cover photo editing done by me.Complete
Untold Truth (Boboiboy Fanfiction) [COMPLETED}
(A / N : This story takes place after 1 year after Retak'ka / Boboiboy Galaxy Movie 2 incident. ) What if Boboiboy had a painfull yet sad memory? What if he had a trauma? What if he had a brother? What if he was a girl? What if he has to encounter his worst enemy which even his friend and TAPOPS didn't even knew about? . . . . . . . . . . . . . . . This is a Boboiboy fanfiction which never happened in anime. I don't own Boboiboy or Mechamato. They belong to Monsta. Don't read it if you don't like it. . . . . . . . . Spoiler- . . . ??: Please stop! ??: You think I will let you escape with my powers! ??: It was never your at the first place! . . . Rest read out yourselves to find out. Ranks: #1 in Gelap #4 in Earthquake #5 in Untold and Gempa #7 in Thunderstorm #9 in Thorn #10 in Cyclone #15 in Solar #16 in Quake #20 in AisComplete
The Demon King Crafted by Sunbeams
When Kamado Tanjiro goes out to sell coal for his family, he does not return. And a harsh winter storm blocks the family from going out to check on him. Tomioka Giyuu arrives late to the mountain with his sword ready to destroy any demons. Yet what he finds is neither human or anything like the demons he has encountered before. This presence feels heavier yet he can't detect any murderous intent or smell of blood on him. - AKA The AU where Muzan messes up and makes Tanjiro a demon king and his worst nightmare.
A boboiboy x Shinobu! reader (Monsta rightfully owns boboiboy and Shinobu belongs to demon slayer.) A story which Boboiboy is still struggling to maintain his Third Tier, His friends are worried and try to help but to no success. (Idk but I haven't watched the two episodes of Boboiboy sori okay? But if he manages to take control of his 3rd tier then imagine he still doesn't in this book!) But what happenes if him and his friends were sent on a mission only to go terribly wrong and need of help. That's where two pillars to TATOPS were sent to their aid of need. But what if.... In reality... It was all never real?.... -Enjoy this story!
More detailsContent Guidelines