Kai x demon slayer

Kai x demon slayer

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WpMetadataNoticeLast published Tue, Sep 30, 2025
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Fanfic
Demon Slayer
Kai had always been obsessed with Kimetsu no Yaiba. Other kids grew up wanting to be superheroes. He wanted to be a Hashira. Every evening after school, he locked himself in the garage, switching on the single dusty lightbulb. The place smelled like motor oil and grass clippings, but to him, it was a dojo. In his hands was his pride and joy: a plastic katana he'd melted together from discarded toy swords, spray-painted black with a red streak. His "Nichirin blade." "Water Breathing, First Form: Water Surface Slash!" He swung with all the grace his wiry frame could muster, exhaling hard through his teeth just like Tanjiro. The air whistled out of him in time with the strike. He kept going. "Wind Breathing, Fifth Form: Cold Mountain Wind!" "Flame Breathing, Fourth Form: Blooming Flame Undulation!" "Moon Breathing, Seventh Form: Mirror of Misfortune!" Sweat drenched his shirt. His chest ached, but he didn't stop. Then it happened. No air came out. Not a cough. Not a gasp. Kai dropped the sword, clutching his chest. His lungs refused to exhale, locking him in suffocating silence. His ribs ached like they were being crushed. His vision blurred. The garage light flickered. He stumbled backward, his plastic katana clattering to the ground. The last thing he saw before darkness swallowed him was the shattered reflection of himself in the window.
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When over half of the Demon Slayer Corpse is summoned to one location, trouble brews and many surprises await around the corner. Mount Kaikoma has been under investigation for months but every single individual sent grew silent and never reported back confirming the death of the demons roaming the mountain. Finally, a group of members were sent but all plans reverse backwards when an unlucky encounter occurs and everyone undergoes a change. Over half of the demons on the mountain range, itself, contain special demon blood arts almost as powerful as the 6 Upper Moons of the Twelve Kizuki. If Tanjiro and his friends can't find a way to kill all the demons meandering the sierra, they'll be at great stakes. Mysteries, battles, secrets, and romance! "Onii-san? Are you a...?" "Hey! Look at this! I'm taller than Tomioka-san!" "WhAt In ThE wOrLd Is GoInG oN?" "Fantastic, just fantastic..." "Whimps!!" "Umm, master...!" "Mft, mft!" "Huh?!? Does this mean..." Ships in the book: TanjiroxKanao, ZenitsuxNezuko, GiyuuxShinobu, and IguroxMitsuri *Don't like it, leave it! Started: June 10, 2020 Finished: July 30, 2020 This story was inspired by a long as* chat among a group of Demon Slayer, anime ship loverz (spelt this way on purpose)! Kudos to y'all and thanks for the inspiration. This is some random one-shot book that is fairly short so please don't expect much. I'm also a dodo author so expect grammar errors. Maybe one day I might revise this story but as of right now, expect this to be TrAsH!! Okay, enjoy!!<3 Shout out to: @MeaganAgaldz @Konichiwa559 @Expiered_Ice @_undergroundbase_ Thank you guys for all the support and inspiration. Be sure to check out and support these authors!! They've composed some amazing stories as well!!✌ Cover work is not mine. Credit to the original artist, @Dishwasher1910 via Twitter

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