Demon Slayer: Any Good Kokushibo X Yoriichi Stories, or the Other Way Around? 鬼灭，有没有好看的日黑或者反过来也行
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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
1.3kReads8.2Score19714d adds
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- 2 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 10.4kReads9.6Score1.2k14d adds
- 3 I Can’t Believe I’m Causing a Stir with Yoriichi! 见鬼闹缘一了！ [Yoriichi x Michikatsu] The rating just came in and will keep climbing. Thanks for reading! On a red-moon night beneath the seven-story pagoda, Yoriichi faltered when he was supposed to grant a merciful death to his brother, who had become a demon. He ended up alone in Heaven. Hearing that demons go to Hell when they die, he forced his way there to wait for his brother. Four hundred years passed. Hell devoured his memories of life, and the immense merit he bore disrupted the natural order: only 232Reads7.3Score10014d adds
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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...
1kReads9.1Score14414d adds
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Daybreak IF Route: Back from Hell to Begin a New Life 日黑if线：地狱归来开启新人生
A Rihei ship fic. Apologies for any out-of-character moments. The first playthrough is mainly told from a first-person perspective and includes original characters and headcanons. If you don't want to read the first playthrough from the characters' perspectives, feel free to skip it. But the last page of Zhinao's perspective has a detail that adds to Chapter Two, so if you don't mind, you can go straight to the second playthrough. Warning! I'm not a fan of Yuanshi! But I'll give Shi a happier en
6Reads—Score214d adds
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- 6 Demon Slayer: Wandering with the Divine Child 鬼灭：与神子一同流浪 [The score just came out, so it should keep going up o.o] Based on Demon Slayer, focused on Michikatsu and Yoriichi. Michikatsu Tsugikuni never imagined he would get the chance to open his eyes again. He thought he would spend five hundred years burning in the fires of hell, and only be reborn once his sins had been atoned for. But when he opened his eyes, the first thing he saw was his younger brother looking at him with concern. He had returned to a time before their mother died of illness, be 13Reads8.7Score—14d adds
- 7 Demon Slayer: Why Is My Spirit Companion Always Clinging to Me? 日黑：背后灵为什么总是黏着我 [Modern] + [Reincarnation] + [A Touch of the Supernatural] Yoriichi, a male ghost who refuses to be reincarnated, x his reincarnated older brother Michikatsu, a materialist college student. A modern supernatural setting, with other characters reincarnated as well. Main pairing: Sun and Moon. Content warning: a small amount of TokoKoto elements, so please beware if that's not your thing. After the sun sets, evil spirits roam. The dead Yoriichi was too consumed by his obsession to be reincarnated 14Reads—Score—14d adds
- 8 Demon Slayer, Is It Wrong to Be Jealous of the Sun? 日黑，嫉妒太阳是错吗？ A Sun and Moon fanfic, with one genderbend. Nobody was feeding me after I came across this premise, so I whipped this up in a hurry. Please forgive the OOC; this is an attempt to build a path toward a happy ending. 17Reads—Score—14d adds
- 9 Miscellaneous Notes on the Sun and Darkness 日黑杂记 An if-story for Demon Slayer: Yoriichi brings his demonized older brother back to live with the Demon Slayer Corps, along with some other everyday moments. Apologies for the out-of-character portrayals. These are standalone little stories, with no overarching plot. I just write whatever comes to mind. 73Reads—Score—14d adds
- 10 Demon Slayer: The Moon Chasing the Sun 鬼灭：追逐太阳的月亮 Michikatsu/Kokushibo pairing, with a little Obanai/Mitsuri and Doma/Kotoha Follows the original Demon Slayer story, with plenty of personal preferences and lots of OOC. [Do people go to heaven when they die? Michikatsu Tsugikuni doesn't know, but Kokushibo does. Someone like him is surely bound for hell, with Yoriichi Tsugikuni, who has always followed him around, coming along too. The not-so-normal version: What do you mean my little brother thinks I'm the Master? What do you mean I dressed as 181Reads6.7Score11314d adds
- 11 Dark Sun: Sun and Moon Shine Together 日黑：日月同辉 Kokushibo X Yoriichi Tsugikuni “I hate the moon hanging high in the sky, shining on everyone but me.” “I hate the blazing sun for shining on me when I’m powerless to protect him.” After being unexpectedly resurrected, Yoriichi Tsugikuni becomes something neither human nor demon. He can’t die or grow old, but unlike a demon, he isn’t afraid of sunlight. He also can’t regenerate and still needs to eat… But as long as he can stay by his big brother’s side, that’s enough. A stone-faced, death-defyin 572Reads8.7Score10914d adds
- 12 Demon Slayer: I Have Nothing but Hatred for You 鬼灭：除了恨你，我一无所有 [Yuan Yan/Daylight and Night]+ [A Sea of Hatred and Love]+ [The Ultimate Aesthetics of a Tragic Ending]+ [No Whitewashing] “Dear elder brother, you’re still as gentle as ever.” Those were the last words Yoriichi Tsugikuni spoke to the six-eyed demon before him, in the year he turned eighty. By then, Michikatsu Tsugikuni had long since fallen and become Kokushibo, Upper Rank One. He held the bloodthirsty Kokyu Shibo, and possessed a lifespan and swordsmanship that had long surpassed those of ordi 893Reads—Score12914d adds
- 13 Anime Crossover: Sun and Moon Shine Together, Starting with Demon Slayer 综漫：从鬼灭开始的日月同耀 Read the warnings first!!! OOC characters➕other popular CPs (depending on the mini-world, but not necessarily in every one)➕Japan bashing, but unconditional favoritism toward Tsugikuni Michikatsu➕multiple Yoriichis➕dark, obsessive yandere behavior➕no plot, just writing whatever comes to mind➕the entire story has been revised➕centered on Tsugikuni Michikatsu➕there's a System, but it won't be mentioned later and doesn't really matter➕other characters may be bashed or put through angst➕dark themes➕ 28Reads—Score—14d adds
- 14 Transmigrated Into Demon Slayer: I Raised the Tsugikuni Brothers 穿越鬼灭：我养大了继国兄弟 What if Michikatsu and Yoriichi had grown up in different families? They'd definitely have a happy ending. This was the idea behind this story, written purely to indulge myself. Set in the Sengoku era, the female lead transmigrates into a mother. From the start, she takes her twin sons and leaves the Tsugikuni family, raising them on her own and leaving nothing for that old bastard! This time, the brothers grow up surrounded by love. There's no misunderstanding or twisted relationship; they're t 27Reads6.6Score—14d adds
- 15 Demon Slayer: Dear Big Brother, Why Are You Like This? 【日黑】兄长大人为何这样？ A modern-setting Demon Slayer fanfic about the Tsugikuni brothers. What happens when the younger brother, who ran away from home, comes across his older brother's livestream? The elegant, refined older brother he remembers is actually... What will you do, Yoriichi? Freelance Yoriichi x corporate-slave streamer Michikatsu 8Reads—Score—14d adds
- 16 Can the Kamado Family Get a Happy Ending Too? 继国家也可以he吗？ [Sanemi x Giyu Fanfic] [Sweet Romance] What if Yoriichi Tsugikuni had left the Tsugikuni family before he came to understand his feelings? Would things have turned out differently for them? Could they have had a happy ending? 274Reads—Score10014d adds
- 17 Darkness: Never to Be Separated from My Brother 日黑：和兄长永不分离 [Rating just came out and will rise + Yoriichi x Kokushibo + happy ending + no angst throughout.] Please leave a review… An original character, Tsugikuni Tsukizuki, is created for this story as Yoriichi and Kokushibo’s younger sister. Later chapters feature a modern reincarnation AU. Please avoid this story if you don’t want Yoriichi x Kokushibo. Yoriichi is reborn at a time before his older brother was bound by his obsession. He retains his memories of his past life and can occasionally hear hi 16Reads—Score—14d adds
- 18 Demon Slayer: Twins Are Meant to Always Be Together 鬼灭：双生子就是要一直在一起啊 A dark-themed Yoriichi fic. He spent his whole life living in his younger brother's shadow. His twin brother, Yoriichi Tsugikuni, was a genius blessed by the gods, while he was just an ordinary man who had to work hard. The hand gripping his sword blistered with blood as he exhausted himself trying to manage the family. Yet he never once heard the words, “You've done enough.” Jealousy coiled around his heart like a poisonous vine, while love and duty tore him apart. Until the night he lay dying 58Reads—Score—14d adds
- 19 Iwakatsu Doesn't Want to Become a Demon 岩胜不想变成鬼 [Female-oriented, two male leads, no CP] When Iwa Katsumi opened his eyes, he found he had become a baby, and everyone around him was speaking Japanese. As he grew up, still bewildered, he finally realized he had transmigrated into a character from Demon Slayer, the hit anime from his previous life. Good news: his close friend had transmigrated too, and he was at the very top of the power scale. Bad news: they had transmigrated four hundred years before the story began. Just as Iwa Katsumi thoug 48Reads—Score—14d adds
- 20 [Sun and Moon] The Kunikuni Brothers' Journey to Another World 【日黑】继国兄弟的异世界之旅 [Kokushibo × Yoriichi fanfiction] [Quick transmigration through a world of anime crossovers] [Redemption fiction] [Demon Slayer] [Jujutsu Kaisen] Kokushibo, who refused reincarnation, was bundled up and thrown into the cycle of reincarnation by a strange voice from hell. It claimed he could only truly be reborn once he had overcome his inner demons. Kokushibo scoffed at the idea. But after he was born, he turned his head and saw Yoriichi Tsugikuni lying beside him, sound asleep. Only then did Ts 214Reads—Score—14d adds
- 21 Kokushibo Loses His Memory and Makes Everyone Think He's Lost It 黑死牟失忆创思所有人 A Demon Slayer fanfic, primarily featuring Michikatsu. Amnesia and overpowered-protagonist tropes, following the original work. Not much else to say. It's all about getting sweet and exciting! Kokushibo is struck from above by an overpowered-protagonist System and loses his memories. Guided by the System, he challenges Tsugikuni Yoriichi, the strongest person in the country, but loses. The System immediately retreats and decides that Yoriichi is a worldly master, then tells Kokushibo to become h 44Reads—Score—14d adds
- 22 My Lord Sun and Moon, I Want to Be With You 主日黑我想和你在一起 Demon Slayer, the Tsugikuni family. Yoriichi Tsugikuni x Michikatsu Tsugikuni. Modern AU. The modern-day brothers won't appear until I write them in, so please stop asking. The story also includes a lot of Sengoku-era scenes. You'll understand why as you read. Mainly from Yoriichi's perspective, and this is a ship!!! (Please note, reviewers: sharing a surname does not mean these two are related by blood.) There are some original elements in places, all of them in service of the plot. The story r 309Reads8.5Score11814d adds
- 23 Demon Slayer: If the Gods Should Turn Their Gaze Upon Us 鬼灭日黑：如若神明垂眸 [Demon Slayer] [Yoriichi x Sanemi] [Dual Transmigration] The Older Brother and Younger Brother Transmigrate to the Taisho Era: An If Story First, the older brother from the Taisho era transmigrates back to the Sengoku era, into the body of his newly demonized self. Then he runs into his younger brother in the Sengoku era. Due to the butterfly effect, the two transmigrate to the Taisho era once more. The novel includes personal indulgences and Demon Slayer BG pairings such as Giyu and Shinobu, an 106Reads—Score2414d adds
- 24 Michikatsu Gets a Second Life 严胜他重活一世 Work has been too busy, and I don't have the energy to update. Updates will be irregular, and feel free to consider it abandoned. A Yoriichi-focused Demon Slayer story, with mountains of original headcanons and a world where technology and fantasy coexist. Read at your own risk. More or less, it's a sweet, easygoing story about Michikatsu finally letting go and living happily with his younger brother. After Kokushibo died, he thought he would fall into hell to atone for his sins. Instead, he sle 70Reads—Score1414d adds
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Demon Slayer: The Sun-and-Moon Siblings’ Elder Brother Just Wants Some Peace and Quiet 鬼灭：日黑兄长大人只想静静
Kokushibo, Hell’s most stubborn tenant, has a problem. After serving his sentence, he refuses to leave. He stays by his beloved demon’s side and hones his swordsmanship to perfection. Then one day, he gets a special opportunity: travel to more eras and resolve his lingering regrets in exchange for the supreme sword manual. Michikatsu thinks it’s a great deal. What he doesn’t know is that the divine son, sentenced to a century of hard labor after failing a mission, has already latched onto him. V
152Reads—Score—14d adds
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- 26 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 1.7kReads8.2Score23014d adds
- 27 [Daylight Black] Demon Slayer Academy: Come Take My Little Brother Away 【日黑】鬼灭学院：快把我弟带走 Sanemi x Obanai pairing Set at Demon Slayer Academy, with lots of original headcanons. To claim absolute control of the academy, its chairman, Kagaya Ubuyashiki, and board member Muzan Kibutsuji made a wager. After one year, whichever department, Academics or Competitions, had the better performance metrics would decide the academy's future. Kokushibo was appointed head of the Competitions Department in a moment of crisis. And his ever-present twin younger brother somehow became a math teacher, 1.1kReads8.4Score16114d adds
- 28 Demon Slayer: The Legendary Lady Tsugikuni 日黑：传闻中的继国夫人 [Demon Slayer fan fiction] [Yoriichi x Kokushibo] (The rating has just been posted and will rise) That Lord of the Sun, the invincible child of the gods, actually had a beloved wife. Unfortunately, Lord Yoriichi would not let anyone meet his wife, Lady Tsugikuni. Only at night would the sound of roaring come from his courtyard. It was said that the lady had quite a temper. At last, unable to hold back his curiosity, one Corps member sneaked into the courtyard while Lord Yoriichi was away. In the 2.9kReads8.8Score50714d adds
- 29 Working Hard to Reach a Happy Ending with My Older Brother 努力和兄长达成幸福结局中 Yoriichi and Kokushibo, both reborn [The rating just opened, so it’ll go up] Michikatsu with Kokushibo’s memories × the Demon King Yoriichi with the memories of both lives Warring States era + Taisho era Three lifetimes, two sets of memories, and a sun and moon that will never set. Tsugikuni Michikatsu is reborn with memories of his previous life as a demon. Looking at his innocent six-year-old twin brother, he resolves to break free of fate and stop living a life ruled by hatred and jealousy. B 620Reads8.9Score13714d adds
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Sun and Moon: Entwined 日黑：缠
Demon Slayer fanfiction. Yoriichi Tsugikuni and Michikatsu Tsugikuni. An alternate timeline where Michikatsu never became a demon. “I offer my body as a vessel.” Michikatsu Tsugikuni spent his whole life living in the shadow of his twin younger brother Yoriichi, the “Child of God.” After their family was destroyed and demons ran rampant, he and Yoriichi relied on each other, joined the Demon Slayer Corps, and taught the Breathing Style. But his resentment, eating away at him, and his fear that t
5Reads—Score—14d adds
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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
2.9kReads8.3Score52014d adds
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- 32 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? 130Reads8.4Score—14d adds
- 33 Demon Slayer: Reborn into Everyday Life, Starting with a Memory Trigger 鬼灭：重生日常，从触发记忆开始 [The rating just came out, so let's leave it at that...] Modern AU + Taisho-era storyline (both are main storylines). The school counselor is here (?). ↓ Here's the synopsis!!! There are secondary couples, so beware if that's not your thing!!!!! Very out of character. I wrote this simply because I wanted to read it. Yoriichi/Michikatsu, Douma/Kotoha, Obanai/Mitsuri, Giyu/Shinobu (these are the couples featured). Basically... everyone is reincarnated, and most of them retain their memories. The m 543Reads8.2Score10214d adds
- 34 Demon Slayer: What Should I Do After Rebirthing the Wrong Person? 鬼灭，抓错人重生怎么办 This book has temporarily been taken down for revisions. Please don't read it until updates resume. Thank you (｡･ω･｡) Dual transmigration, swapping worlds The brothers from the original Demon Slayer story transmigrate into my supernatural crossover AU. The brothers from the supernatural AU transmigrate into Demon Slayer. The brothers who come from the supernatural AU are the main viewpoint characters, while the other pair of brothers appear in a side plot. The main story is a gentle romance (and 16Reads—Score—14d adds
- 35 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. 758Reads7.3Score13314d adds
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The Chessmaster's Day in the Dark 执棋者日黑
[The opening is rather depressing, because it takes time to develop the characters. This is my first time writing, so there may be a lot of bugs. If that bothers you, feel free to skip it. Also, the ending is HE! Guaranteed HE, so don’t worry, dears! Finally, OOC warning: I’ll do my best to portray Yoriichi and Genya as I see them, which may differ from your interpretations. Yoriichi is rather inhuman at first, closer to the Rei type. The setup is that Genya gradually socializes Yoriichi and tea
338Reads8.8Score11314d adds
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Crossover: I Am Both Michikatsu Tsugikuni and an Uchiha 综：是继国严胜，也是宇智波
[Rating pending] Kokushibo walked the boundary between two worlds. By day, he was the eldest son of the Tsugikuni family, a child who could not afford to make a mistake. His father's gaze was cold, and his mother's figure seemed separated from him by a veil of distant silk. By night, he awoke in a day suffused with the scent of pine and medicinal herbs. He was a child of the Tsugikuni family in the Land of Lightning, with a kind foster father who called him Tsugikuni warmly, and two elder brothe
6.8kReads8.9Score95814d adds
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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!
615Reads8.9Score13714d adds
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- 39 Demon Slayer: Reborn as Muzan, I’ll Spoil My Upper Moons 鬼灭：穿成无惨，我的上弦我来宠 (The score is just out, and it’ll rise later) No Tragedy, No Pairings | Muzan/Yoriichi (not recommended for readers who are strict about Yoriichi being the top) | Akaza/Koyuki | A little Douma/Kotoha | OOC Warning When Muzan sees the old master Kokushibo bullying little Michikatsu: “You rotten old geezer! If you won’t raise him, I will. Hand him over, hand him over.” When Muzan sees the former cult leader exploiting Douma to rake in money: “The cult belongs to me now. You, and you too, your wi 3.8kReads8.9Score70714d adds
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What If Yoriichi Could Read Minds? 假如缘一会读心
[The rating has just been posted and will rise] The sun can hear the moon's voice. Content warnings: 1. Demon Slayer fan fiction, focused on the Sun and Moon pairing. 2. The brothers will both become demons by the end. 3. There may be out-of-character moments. I can't guarantee complete faithfulness to the original.
1.5kReads8.2Score27714d adds
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![[Sun and Moon] The Kunikuni Brothers' Journey to Another World](https://p3-novel.byteimg.com/novel-pic/115b4038fde468e511606c62714c1a5b~tplv-resize:120:0.jpeg)
![[Daylight Black] Demon Slayer Academy: Come Take My Little Brother Away](https://p3-novel.byteimg.com/novel-pic/fce129af30c0975500e6726938db6924~tplv-resize:120:0.jpeg)
Other lists with We’re Both Ghost Kings, So Why Can You Sunbathe?!