Any Fics About Someone Playing Kokusibo Outside the Demon Slayer World? 有没有扮演黑死牟的，不在鬼灭世界。
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Reborn as Upper Rank One 重生成为上弦壹
(No CP + System + transmigrated into Demon Slayer) After transmigrating as Michikatsu Tsugikuni, Sanemi can only follow the System's prompts and stick to the plot if he wants to survive. But while Sanemi (Michikatsu) dutifully stays at his post and carefully completes his missions, everyone else has gone completely out of character behind his back… There are plenty of flaws in this book that I haven't noticed, and now that it's finished, I can't fix them. It's not that the author won't make
3.8kReads9.4Score516Shelves
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- 2 Demon Slayer: I Am Michikatsu, With the Sun and Moon Shining as One! 鬼灭之刃：我为严胜，日月同辉！ What if Yan Sheng had never betrayed the Demon Slayer Corps? What if Yan Sheng had joined forces with Yuan Yi? Would Wu Can still be alive? Would the world really have been free of demons from then on? Would the tragedies of the future really never have happened? Yuan Yi: “Wu Can, prepare to die! What do you think life is?” Wu Can: “Oh, I know this one. Life is about eating, drinking, and having fun: fried chicken, cola!” Yuan Yi: “...Who taught you that?” Wu Can looked behind him. “Honey, get o 443Reads6.7Score103Shelves
- 3 National Fate: From the Start, I Play Kokushibo, and My Teammate Is Muzan 国运：开局扮演黑死牟，队友无惨 [National Destiny + Roleplay + Rule Horror + Two Male Leads + Comedy + Livestream + Woman Turns into a Man + Perverse] At two in the morning, while chatting with a close online friend, everything suddenly went black. When she opened her eyes again, she was in a small room, facing a man as beautiful as a demon. Before she could figure out what was going on, a cold mechanical voice rang in her ears: "Role selected. Selection successful: Upper Rank One, Kokushibo." Just then, Blue Star's pollution 2kReads8.3Score349Shelves
- 4 Demon Slayer: Tsugikuni Michikatsu Decides to Run Away 鬼灭：于是，继国岩胜决定逃跑 The story begins with stopping Yoriichi from leaving: “...For details, please ask Asei, who attends to my personal needs. I’m leaving for the temple now.” “Leaving? You’re leaving now?” “Yes. I just wanted to say goodbye before I go.” This time, Tsugikuni Michikatsu grabs hold of him. “Stop.” “...Brother?” “Mother has left us, so are you going to abandon me too?” Yoriichi: “...” He never left. After that, he became the new heir of the Tsugikuni family. This is a story about family, famil 1kReads9.3Score112Shelves
- 5 Demon Slayer: I'll Help Muzan Become the Ultimate Life-Form 鬼灭：我要扶持无惨成为究极生物 A boy named Yansheng is terminally ill. His desperate longing to live leads him to transmigrate into the world of Demon Slayer after getting hit by a car, where he becomes Kokushibo, Upper Rank One! To repay Muzan for granting me eternal life, I swear I won't let him die at the hands of the Demon Slayer Corps! I'll support Muzan and help him become the ultimate life-form in this world! [The protagonist is firmly on the demon side and opposed to humanity. The Demon Slayer Corps will be wiped out 1.2kReads8.8Score154Shelves
- 6 I’m a Ghoul, but I’m a Street Punk in Demon Slayer! 喰种的我，在鬼灭当gai溜子！ A wacky, unhinged heroine, Yun Qiu, X Kokushibo, who's serious to a fault Yun Qiu somehow transmigrated into Tokyo Ghoul. She kept her head down, scavenged leftovers, and scraped her way up to become an SSS-ranked ghoul. She lay low until the very end, only to get carried away after taking a few bites of Kaneki Ken, who had turned into a dragon, because she couldn't resist a tasty meal. The world's will promptly dumped her into an incredibly backward world. After a while, she realized...she seem 844Reads7.5Score134Shelves
- 7 Demon Slayer: I Transmigrated and Became Kokushibo 鬼灭之刃：穿越成为黑死牟 After transmigrating as Tsugikuni Michikatsu, who had just turned into a demon, he tried every way he could think of to get home, only to be told he had to help Muzan gather the six Upper Ranks. With no other choice, he went along with it. But it wasn’t easy: besides avoiding the Demon Slayer Corps, he also had to evade Yoriichi, who was constantly searching for him... 1kReads9.1Score145Shelves
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Naruto's Ultimate Villain: From the Start, I Become Kokushibo 火影大反派：开局成为黑死牟
After transmigrating into Naruto and getting a villain template, he became the big bad of Demon Slayer from the start: Kokushibo, Upper Rank One of the Twelve Kizuki. He had planned to spend his whole life taking it easy, but fate swept him into the Third Shinobi World War. This is a villain’s story. It’s a long one, so take your time.
1.2kReads8.4Score103Shelves
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- 9 Kokushibo Transmigrates to Teyvat 穿越到提瓦特的黑死牟 Kokushibo finally fell beneath the Hashira's combined assault. Just when he thought his life had come to an end, he discovered that he had arrived in a strange new world! 1.1kReads—Score—Shelves
- 10 Demon Slayer: Why Is Lord Kokushibo a Girl? 鬼灭：黑死牟阁下怎么是女孩子？ [Gender-swap warning!!] [No fixed pairing, ship whoever you like] A young man transmigrates “by accident” into the body of Kokushibo, an Upper Rank demon, with a System in hand. He thinks he’s about to have the time of his life, only to find he’s turned into a girl?! The legendary Sun Breathing swordsman from the Sengoku era, four hundred years ago, has reappeared in the Taisho era?! To turn back into a man as soon as possible... no, to get home as soon as possible, he’s forced to complete the i 2.4kReads7.3Score348Shelves
- 11 Demon Slayer: Taking Over Kokushibo’s Body from the Start 鬼灭：开局夺舍黑死牟 A shut-in dies of a terminal illness and takes over Kokushibo's body in the world of Demon Slayer. To survive and make up, just a little, for the regrets he had while watching the anime, he decides to live on in this world as Kokushibo... 2.6kReads9.3Score354Shelves
- 12 Demon Slayer: Michikatsu's Son, Master of Moon Breathing 鬼灭：岩胜之子，月呼之巅 [Muzan's Faction] [No System] [No Transmigration] [No Romance] “My name is Tsugikuni Eiya.” “I have a strict but respectable father. His name is Tsugikuni Michikatsu, though you may also know him as Kokushibo.” “From the day he left the Tsugikuni family, my life changed beyond recognition.” “Our peaceful, happy days vanished, replaced by one hell after another.” “But I'm not afraid.” … “My name is Shuang Yuehen. I'm the most unusual member of the demon faction, and the [taboo] the Demon Slayer 3.3kReads8.6Score610Shelves
- 13 Demon Slayer: Doma Still Hasn’t Been Hated Today 鬼灭：童磨今天也没有被讨厌 After becoming Douma, why did I still end up following the same path as in the manga? Oh no, this won’t do! So Douma decides to become everyone’s favorite. Lord Akaza~ Let’s go watch the fireworks together! Look, look, all the abilities I’ve developed are shaped like my love for you~ Lord Kokushibo is like a reserved young lady who’s cold on the outside but warm within. Sometimes he gets so enthusiastic, it’s almost too much to handle~ Just cut Lord Hantengu into four pieces, and you can have fu 9.2kReads9.5Score1.2kShelves
- 14 Demon Slayer: I Accidentally Reincarnated as Kokushibo 鬼灭：不小心穿成黑死牟 Welcome, everyone, and thanks for reading my work. A college student died from staying up too late, only to discover he'd arrived in the world of Demon Slayer as Tsugikuni Michikatsu, before he had become a demon! Should he choose jealousy and become a demon, or live an honest life? Obviously, with a little brother who's the strongest around, why compete?! Enjoying life after transmigrating is the way to go!! But life is unpredictable. Years later, Kokushibo realized that many things had gone co 220Reads8.4Score—Shelves
- 15 Attack on Titan: But I’m Kokushibo! 进击的巨人：但我是黑死牟！ [Near-invincible protagonist + two heroines + doesn't break up Aili + some original characters] A natural disaster strikes, trapping humanity behind enormous walls. What would happen if Kokushibo's powers came to the world of Attack on Titan? These Titans are so shoddily designed. As an incomparably handsome man, I won't allow such ugly things to share the same sky as me. I'll drive every last one of you out!! (Kokushibo won't get much time onstage at first. If that bothers you, don't read.) 73Reads—Score—Shelves
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Dark Sun: My Younger Brother in His Second Life Loves Me Too Much 日黑：二周目的弟弟太爱我了
A new work is out! You can read my stories on Tomato Novel. I hope you’ll enjoy them. Your support is what keeps me writing, and I’ll do my best to tell every story well!
612Reads8.9Score137Shelves
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Detective Conan: The First Upper Moon Suffers PTSD Every Day 名柯：上弦一每天都在PTSD
Conan x Demon Slayer dark crossover fanfic | Japanese Demon Slayer characters only | Mind games and strategic battles | Fate turned on its head | Everyone gets a happy ending Primarily dark in tone | Deadpan humor | Action and comedy | Extensive original worldbuilding | No pure white justice, don't read if that's not your thing. No arguing, please. [Warning] The protagonist is referred to as Duanmu Ze in the first 44 chapters. The clues are tightly connected, so skipping chapters will likely le
550Reads7.2Score101Shelves
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Upper Moon One Is Getting Stronger Today, Too 上弦一今天也在变强
Content warnings: This story leans toward a dark take on Nichirin. There are no romantic pairings, only platonic relationships and guidance. The author recommends it this month. Read with caution if that’s not your thing. The protagonist really does kill and eat people. He will not be redeemed. Although he transmigrates, this is not a body-swap or an assumed identity. He is simply one person. There is a courtesan storyline. From the day he transmigrated as Tsugikuni Iwakatsu, Yansheng knew
1.7kReads8.2Score230Shelves
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- 19 A Collection of Japan-Black Fan Fiction 日黑同人合集 Mid-length fanfic. Original title: [Daily x Black], Yes, We Have a Child, completed ✓ [Daily x Black] Let This Top Guy in Chengcheng Get a Little Taste of the Cultivation World's Might, ongoing [Daily x Black] I Slay People and Ghosts for the King of Qin During the Warring States Period [Daily x Black] What Do You Mean My Younger Brother Turned Into a Ghost Too? 129Reads8.4Score—Shelves
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Genshin Impact: A Survival Guide to Inazuma as Iwakatsu 原神：穿成岩胜的稻妻生存指南
At twenty-eight, the upstanding young man Yan Sheng was unfortunately killed with a single knife strike by an armed robber. Somehow, carrying his memories from his previous life and backed by a powerful advantage, he transmigrated to Inazuma after the Archon War. At fourteen, his family was destroyed. With no other choice, he relied on his powerful breathing techniques to roam Narukami Island. By a twist of fate, Kitsune Saiguu brought him before the Raiden Shogun, who took him on as a guard. As
161Reads5.5Score—Shelves
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- 21 Creating the Twelve Kizuki in the Hokage World 我在火影创造十二鬼月 [Hokage, Demon Slayer, no female lead] (No pairings, but feel free to ship whoever you like.) Shuichi Mayumi transmigrated into the Hokage world, but spent his days achieving nothing. Then, one night, he finally got the cheat he had waited ten years for. Rather than torment yourself with self-pity, go crazy and torment others instead. Fuse with the Demon King template, create man-eating demons, and establish the New Twelve Kizuki. A dark age is about to descend upon the shinobi world. 374Reads6.9Score—Shelves
- 22 Demon Slayer: Michikatsu from a Parallel World Transmigrates into Demon Slayer 鬼灭：平行世界的严胜穿越了鬼灭 Michikatsu Tsugikuni, living in a modern parallel world, was looking at his phone while crossing the street when a speeding car hit him and sent him flying. He transmigrated to the world of Demon Slayer. “Hmm, where am I? Wasn’t I just hit by a car? How did I end up here in the blink of an eye?” Michikatsu stared at the snow-covered forest around him, lost in thought. He shook his head and prepared to leave this strange place, but then heard footsteps crunching in the snow behind him. “Oh, there 363Reads6.9Score110Shelves
- 23 Demon Slayer: My Younger Brother Loves Me Too Much, What Should I Do? 鬼灭日黑：弟弟太爱我了怎么办？ (The rating will rise once it’s been up for a while!) [Sun and Moon] [Yoriichi x Michikatsu] [No transmigration, canon character designs] The Warring States era is rife with chaos, and demons stalk the land. He, the creator of Sun Breathing and the “child of God” revered by all, can see through the world and perceive all things, yet he alone cannot see through the abyss in that man’s eyes. He, a genius of Moon Breathing, spends his life chasing the sun’s shadow, only to accept the Demon King’s b 2.9kReads8.3Score514Shelves
- 24 Why Does Upper Moon One Keep Ringing? 上弦一为什么一直响 Dark Sun. [The score has just been released, and it may still go up] After eight hundred years of punishment in hell, Upper Rank One finally completed his sentence, but refused to be reincarnated. King Yama was at a loss. How could a demon still be clinging to an obsession after eight hundred years? Looking at the stubborn, silent demon before him, King Yama stroked his chin. Then, for some inexplicable reason, Kokushibo was tossed back into the mortal world. Back to his childhood, when he and T 10.3kReads9.6Score1.2kShelves
- 25 We’re Both Ghost Kings, So Why Can You Sunbathe?! 都是鬼王你凭什么能晒太阳！ [Female-oriented] [Contains Yoriichi/Kokushibo pairing] Read with caution!!! Yan Sheng, Yuan Yi, and Yue Yan cosplay and end up in Demon Slayer. Yes, they transmigrate into Demon Slayer. Let's not get into what era it is. Yan Sheng is cosplaying as Hei Si Mou, Yue Yan as the Demon King Wu Can, and Yuan Yi as Yuan Yi, except he's demonized Yuan Yi. Yue Yan: What else is there to say? I'll be the Demon King, then. The three conjoined Demon Kings try to make it through Demon Slayer without gettin 1.3kReads8.2Score191Shelves
- 26 Lord Kokushibo, Is That You and Your Brother Over There? 黑死牟阁下，对面是你弟和你？ *Based on the original Demon Slayer, with a Yoriichi/Kokushibo pairing. Please mind the tags. The rating's just been added, so it'll go up, meow. Yoriichi Tsugikuni opened his eyes and found, to his shock, that he had transmigrated to an era called Taisho. He remembered being with his older brother before he transmigrated. Where was his brother? Had he transmigrated too? Worried, Yoriichi Tsugikuni set out to find his brother. But before he could take more than a couple of steps, he found him. 758Reads7.3Score133Shelves
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Has Iwa Katsushige Become the Strongest Yet? 今天的岩胜成为最强了吗？
(The rating just came out, so it'll go up 🥺) After dying, Iwa Katsumi, also known as Kokushibo, was reincarnated as the legitimate daughter of the Zenin family and inherited the Ten Shadows Technique. Everyone says that Zenin Iwa Katsumi is the “Divine Child” of the Zenin family. Yet her shadow contains no beasts, only a famous blade born beneath the moon: “Mikazuki Munechika.” tip: Genderbend, no CP but everyone loves her. The first part follows Iwa Katsumi's journey to develop the Ten Shadows
8kReads8.9Score620Shelves
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Naruto: Moon Breathing 火影：月之呼吸
After becoming a demon, Kokushibo (Tsugikuni Michikatsu) is swept into the Hokage world by an unknown temporal vortex. He retains all the secrets of Moon Breathing, along with his lingering obsession. Note: He may travel to other worlds.
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- 29 Crossover: Yoriichi Tsugikuni Wants a Do-Over 综：继国缘一想要重新来过 After Tsugikuni Yoriichi died, he watched his older brother cut his body in half, watched his brother clutch the broken flute and weep, watched his brother wander in darkness, challenging powerful fighters across the land for more than four hundred years, watched his brother finally ask, “Yoriichi, what was I born for? Tell me!” He watched his brother wander through the fires of hell, unwilling to be reborn. He fell from a god of heaven to a fallen sun, all to seek a new future. The author has 30Reads—Score—Shelves
- 30 Demon Slayer: Starting Out as a Tsugikuni Michikatsu Cosplayer 鬼灭：从cos继国岩胜开始 This is a women’s romance novel! A women’s romance novel! A women’s romance novel!! Don’t ask me why it ended up recommended under men’s fiction. I have no idea what the platform is doing. If you wandered in by mistake, just leave. I wanted to know how Michikatsu Tsugikuni might have felt if he had refused Muzan and then, after his death, witnessed what happened to Yoriichi. So I asked Iwatsukatsu, currently a second-year college student, to cosplay this possible version of Michikatsu Tsugikuni. 13Reads6.4Score—Shelves
- 31 The Third Son of the Kamado Family 鬼灭继国家的第三子 Warning: the author's writing is bad!!! Two male leads, but the pairing isn't set, so ship whoever you want. The author reads too many male-male romance novels, so they tend to slip into that mode of thinking while writing. If you can't accept that, run now!!! An unlucky middle schooler holds his breath in his sleep one night and accidentally suffocates himself. When he opens his eyes again, he finds he has transmigrated into the world of Demon Slayer, but the timing is a tiny bit too early. Not 1.2kReads8.8Score236Shelves
- 32 Naruto: I Am Kokushibo, the Invincible Six Eyes User 火影：吾乃黑死牟，无敌六眼 Zhou Jie transmigrated once again. The first time, he had transmigrated from Blue Star and become Kokushibo from Demon Slayer. Unexpectedly, his next transmigration took him straight to the world of Naruto. What was more, the timeline of this Hokage world was still in the Warring States period. As a demon, Kokushibo feared only the sun. He was immortal and could not be killed. So he began creating demons to expand his own forces. He also started learning ninjutsu, hoping to use it to overcome hi 122Reads5.9Score—Shelves
- 33 Original Demon: How Could Upper Rank One Fall for a Young Lady? 原鬼：上弦之一怎会恋上少女大人 [Single Female Lead] [Columbina] [Sweet Romance] [Invincible] [Mostly Slice of Life] [Contrast] [OOC] [A Little Angst] [Really, Just a Little Angst] During the Archon War, a purple-clad warrior stood by Baal's side. He was invincible in battle, slaying countless powerful Archons. After Baal became the Raiden Shogun, he spent centuries handling Inazuma's affairs, great and small, and drafting its laws. But in her pursuit of eternity, Baal stabbed him through the chest from behind. After escaping 761Reads—Score101Shelves
- 34 Upper Moon One Is Babysitting Again Today 上弦一今天也在带小孩 [Warning: The protagonist eats people!] [OOC warning] [Mostly everyday life, with childcare; the protagonist is very clingy with the Tsugikuni brothers] After disappearing, he opens his eyes and finds himself at the very beginning of fate. Since he's here, he might as well take “himself” and Yoriichi down a path completely different from the last life. It's just that Yoriichi and Michikatsu seem a little too clingy. 135Reads8.3Score—Shelves
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Demon Slayer: I Inherited Moon Breathing from the Start 鬼灭之刃：我开局继承月之呼吸
(Overpowered protagonist) (One heroine) (Making up for regrets) (Transmigration) (Not a goody-two-shoes) (No breaking up canon couples). Brothers and sisters, feel free to read. The protagonist transmigrates into the world of Demon Slayer after an accident, expecting an ordinary life. But the original owner of the body has a mysterious identity, possessing not only every sword technique of Moon Breathing, but also a mysterious special constitution. The protagonist has already had enough of being
57Reads6.4Score100Shelves
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