Detective Conan, Preferably With the Male Protagonist Becoming a Child Too 柯南（最好男主也变小）

1. 1 柯 Detective Conan: I'm the Second Hardest Worker at the Black Organization 柯南之我在酒厂做第二劳模 Zhuai Yu拽御鱼Anime Fanfiction78k WordsCompleted Kudo Sora is the younger brother of Shinichi Kudo and the son of famed novelist Yusaku Kudo. A child with a bright future ahead of him is kidnapped and dragged into the depths of darkness. When dreams become fantasies and the light fades away, darkness follows. Is this what it means to fall? Will the brothers who were once so close turn their blades on each other, or choose to forgive? No female lead! 1.6kReads8.3Score22914d adds

   Reader note

   The first book is about Conan's younger brother. The second book is about shrinking.

2. 2 柯 Detective Conan: I Was Just Watching Detective Conan, How Did I Transmigrate? 柯南：我看个名柯就穿越了？ Blackfeather Dark黑羽冥Anime Fanfiction2.9M WordsOngoing [No breaking up couples] + [Female lead: Ai Haibara] + [Very slow burn (also slice of life, with slow plot development; don’t read if that’s not your thing)] + [Ai Haibara appears in Chapter 113] + [Original storylines] + [No cultivation!!!!] Xing Chen stared at the hospital ceiling, then looked at the girl with horns beside him. He couldn’t help thinking, “I was just rewatching Detective Conan. How did I end up transmigrating?” Conan sat in the living room, glancing at Xing Chen now and then. H 5.4kReads8.6Score40114d adds
3. 3 柯 Detective Conan: My Big Brother, Ten Years Older Than Me, Suddenly Shrinks 柯南：大我十岁的哥哥突然缩水了 Snow Forecast on the Eaves屋檐被雪兆Two Male Leads1.1M WordsOngoing [A Detective Conan fanfic. No pairing in the main story; the protagonist is a bit of a pretty-boy enthusiast. The extras feature two male leads.] After transmigrating into the world of Detective Conan, he finds himself as Conan's younger brother. The main plot kicks off, and he joins his brother in solving cases. Wait, you didn't tell me that handsome young man with long white hair was Gin! And that stern-looking man in a black fedora is the famous Shuichi Akai? And the guy who looks so much lik 1.8kReads8.2Score16914d adds

   Reader note

   The protagonist transmigrates into the body of Shinichi Kudo (Conan)'s younger brother, and Conan becomes a doting brother.

4. 4 柯 Detective Conan: The Seven-Year-Old Hacker 柯南之7岁小孩是黑客 Winglet's Nest翼小窝Anime Fanfiction545k WordsCompleted A mysterious transfer student named Carrie has appeared at Teitan Elementary School. What connection does she have to APTX4869? Could she be a member of the Black Organization too? It's a mystery. 123Reads5.7Score11514d adds

   Reader note

   Although they're all about Conan, they don't necessarily involve shrinking. I absolutely love episodes 1, 2, 3, 4, and 6, especially 2, 3, 4, and 6.

5. 5 柯 Detective Conan: From the Start, I'm Shinichi Kudo's Biological Brother 柯南：开局成为工藤新一亲哥 MarianaTwo Male Leads316k WordsOngoing I can’t change the title because I’ve already signed a contract, so let me make this clear! The protagonist is NOT Shinichi Kudo’s older brother! The protagonist is NOT Shinichi Kudo’s older brother! "Leaning toward the Black Organization, with some watered-down liquor + Shinichi Kudo’s older brother + Gin is the tentative CP" “You should have lived.” “Glen, what a shame we’re not on the same side.” “Go out with me, Qing.” “A-Qing, I’ll protect you from the shadows, forever.” “We have different 673Reads8.9Score11314d adds
6. 6 时 How Am I Supposed to Survive Around Conan When I Keep Coughing Up Blood 时不时吐血的我在柯南身边怎么活 Moonlight Tea明月茶Anime Fanfiction1.2M WordsCompleted [Detective Conan + No Romance + Little Sister Ai + Beautiful, Strong, and Tragic Hero] Feng Jianhe transmigrates and gets a buff from the start: his constitution is permanently set to -1… Also known as: “How Do I Survive Beside the Grim Reaper When I Keep Coughing Up Blood?”, “The Hospital Is My Home, and Everyone Helps Me Get Back There,” and “There’s No Need to Worry About Me, I’m Really Fine. The Important Thing Is That I Didn’t Kill Anyone.” Shipping fans, keep to your own corner~ 13.7kReads9.4Score1.8k14d adds
7. 7 名 Detective's Dark Side, Beyond the Reach of Sunlight 名侦之阳光照射不到的黑暗 Yi Mengyan一夢衍Anime Fanfiction770k WordsOngoing Part One: The Darkness Beyond the Reach of the Sun (complete) Part Two: Detective of the Darkness’s End (not yet released) Part One Synopsis: Word has it that the organization’s hardest worker, Gin, has brought home a kid to adopt. The kid’s daily life: Gin hands him guns to play with. He takes him along to all kinds of killings and deals. The first time, the kid cried in fright; The second time, he cried again; The third time, he still cried; By the nth time... He calmly eats at the scene, th 325Reads8.7Score10314d adds
8. 8 捞 Detective Conan: Save the Police Academy Five 【柯南】捞捞警校五人组 Xie Mianran y谢眠然yAnime Fanfiction271k WordsCompleted Detective Conan + Bungo Stray Dogs + Jujutsu Kaisen Includes the TaniHana and HagiMatsu ships (romantic, but not much romance in the story), and GojoGeto and AkuAtsu as platonic friendships. Main ship: Bai Zhu × Rei Furuya (Bai Zhu has a lifelong unrequited crush and never confesses; the romance is not a major focus) Content warnings: Many original Chinese characters! Gin is partially redeemed! (The author is a loyal socialist successor and can’t write quirky comic-relief characters or villains. 13Reads7.0Score—14d adds
9. 9 零 Detective Conan: Zero's Beloved Is Dark and Ambitious 【名柯】零的白月光腹黑心野 Guobaorou Rice Bowl锅包肉盖饭Two Male Leads127k WordsCompleted [A true psychopath: gloomy and obsessive, a beautiful madman of an attacker X upright and principled, guilt-ridden, soft-bodied and slender-waisted recipient] Nanye Huai became famous with a painting at eighteen. At twenty-three, he had a young boyfriend by his side. At twenty-six, his boyfriend broke up with him. He lost control and drove himself insane, spending four years in a daze at a psychiatric hospital. After successfully infiltrating an organization, An Shitou wanted to sneak back and 1.1kReads8.8Score12414d adds
10. 10 柯 Detective Conan: I'm No Heartthrob 柯南：我才不是万人迷 Meow-Meow Sauce Loves Slacking Off爱摸鱼的喵喵酱Two Male Leads206k WordsCompleted [Transmigration + true liquor + no romance + a crowd of admirers + chaotic neutral troublemaker + no redemption arc + many original characters + saving the five police academy friends] Hanyu Qingding is an unlucky doctor who transmigrates into the world of Detective Conan and “volunteers” to join the Black Organization, beginning his hectic daily life. Gin: You little brat, you’re such a pain in the neck. (Head bowed, smoking.) Jinpei Matsuda: This guy seems kind of cute. (Gets beaten up.) Rei F 2kReads9.0Score26614d adds
11. 11 名 Detective Conan: A Wand from the Start, and She Calmly Protects Her Husband 名柯：开局一根魔杖，她淡定护夫 Pale Moon, Light Smoke月白烟轻Anime Fanfiction508k WordsOngoing [Abandoned. I'm not continuing the main story. There are some extra chapters to wrap things up.] (A Harry Potter original character transmigrates into the world of Detective Conan.) Guinevere Garcia was a student who died a hero in the war. As Ravenclaw's top student, her sacrifice was a great loss to the wizarding world. However, with the most loyal guardian wand and the finest divination skills, she had already secured herself a way out: another world, one no one knew about. Being reborn was h 1.2kReads8.7Score13314d adds
12. 12 柯 Detective Conan: I Just Want a Peaceful Retirement 柯南之我只想悠闲养老 So Many Crushes墙头特别多Two Male Leads1.8M WordsOngoing Lin Qingming was sabotaged by the System. It promised that if he saved the world, it would send him to a world where he could retire without worrying about food or drink. Instead, it sent him to the world of Lin Conan. After arranging an identity and giving him some money, it ran off. See how an Apocalypse superpower powerhouse enjoys a leisurely retirement in a world of deduction. 2.2kReads8.2Score18014d adds
13. 13 柯 Detective Conan: I’m Just an Ordinary Young Master of the Black Organization 柯南之我只是一个普通的酒厂少爷 Aisili艾斯莉Anime Fanfiction170k WordsOngoing Shizero's life seemed to be cursed. His parents were falsely accused and died one after the other when he was young. Not long after, the relatives who had taken him in also left him behind. He drifted through life in a daze until an old man tricked him, shoved him into the world of Detective Conan, and cheerfully told him, “Your loyalties are up to you, but don't forget to save the people my missions say to save.” He had no talent for rescuing people. But his boss had given him an order, and he 160Reads7.0Score—14d adds
14. 14 我 I'm Going to Make Conan Cry! 我要在柯南发刀子！ Sugar Addiction Syndrome糖分综合征Anime Fanfiction723k WordsCompleted [Mainly Detective Conan] [Male lead on the Black side] [No romance] [System, canon couples stay together! The overall focus is on intrigue and plot, with plenty of original characters] The moment he awakened in the world of Detective Conan, Qian Wuhe thought about a lot of things. For instance, how to land without getting stabbed, poisoned, or strangled, especially with piano wire or fishing line... Fortunately, the resident Grim Reaper was still in the true early stages of his growth and hadn’t 2.1kReads9.2Score26214d adds
15. 15 柯 Detective Conan: I Want to Become Ai Haibara's Childhood Friend 柯南：我要成为灰原哀的青梅竹马 Losing You Is My Fate失之我命Anime Fanfiction424k WordsCompleted [One female lead: Ai Haibara] Lin Yuan transmigrates into the world of Conan and becomes a child from the start, alongside Shinichi Kudo. That gives Lin Yuan a bold idea: move into Professor Agasa's house and become Ai Haibara's childhood friend... 1.3kReads7.4Score15314d adds

    Reader note

    I thought it would get much smaller, but it's only this little bit [smile]

16. 16 穿 I Transmigrated into Detective Conan, and All I See Is You! 穿越柯南，满眼皆是你！ Jian Liuyun剑流云Anime Fanfiction374k WordsOngoing The protagonist will turn evil!!! Fans of ShinRan, stay away!!! Fans of Conan and Ai, stay away!!! If you can’t stand Conan failing to show off, stay away!!! (The original plot will be extensively altered where appropriate.) I’ll say the important things three times!!! Female lead: Ran. Second female lead: Haibara. Best wild card: Vermouth. Best supporting actress: Bailey’s. Most handsome villain: Gin. The strongest villain hasn’t appeared yet!!! Also, this is not a feel-good power fantasy!!! Th 85Reads5.8Score—14d adds
17. 17 名 Detective Conan: Going to School with the Grim Reaper 名柯：和死神做同学 Seven Bowls七只碗Anime Fanfiction1.6M WordsOngoing She thought she’d ended up in the Detective Conan world to overpower the Black Organization, but she underestimated them and overestimated herself. After being force-fed APTX 4869 and forced to live under a new identity, Tokugawa Kana decides to keep her head down until Conan shows up, then cling to his coattails and take down the villains. All members of the Police Academy group survive. This follows the original novel’s story, and exists to save the characters whose fates were left unresolved 442Reads8.7Score11014d adds
18. 18 名 Detective Conan: From the Start, I’m Locked in a Cell, Then I Turn Into an Idiot 名柯：开局禁闭室后期变傻子 Black Cloud Bright Eyes黑云明目Anime Fanfiction305k WordsCompleted [Shrinking down, keeping the original couples together, one heroine: Ai Haibara, Mao Lilan knows Conan's identity] Ai Haibara took out a box of sweet chocolates, affectionately patted him on the head, and said, “Here, I made these for you myself.” Vermouth held out a lollipop and said, “Choose Mommy, and Mommy will give you a lollipop.” Xu Yibai saw them and said happily, “Only kids have to choose. I want both!” 1kReads7.0Score10214d adds
19. 19 变 The Shrunken Me and My Life with Conan 变小的我和柯南一起生活 Sleep as Soon as I Get Home到头就睡Anime Fanfiction1.1M WordsCompleted No romance, no protagonist suffering, no System, everyday life, with the protagonist living alongside Conan. Chen Ping was just helping an old man when he ended up in Conan’s world. The person he transmigrated as was also the deadliest assassin in that world. He was in agony. With two sets of memories, he nearly suffered a mental breakdown, and the original owner’s memories frightened him even more. 2.2kReads8.8Score21614d adds
20. 20 柯 Detective Conan: From the Start, I Turn into an Idiot, and Little Ai Begs for a Hug 柯学：开局变傻，小哀姐姐求抱抱 Shu Gu舒故Anime Fanfiction1.1M WordsCompleted [New book now out] (This is my first fanfic, so please bear with me... If you leave a bad review, I’ll argue back.) [Everyone’s darling + Not invincible + Ai Haibara is the heroine + Male lead turns into a child (loses his memory and becomes a fool) + Sibling-like relationship + System] The male lead transmigrates as Fenjiu, a codename holder in the distillery who is actually an undercover police officer. He secretly investigates the Black Organization and fights the terrorist group “Nanwu Heav 4.1kReads9.0Score43814d adds
21. 21 名 Detective Conan: China's Special Agent 名侦探柯南之神州特工 The Cycle of Black and Day黑昼轮回Anime Fanfiction206k WordsCompleted After more than twenty years, Fang Mozhu can only say: this is messed up. Didn’t I leave on May 1? Why did it become June 27 when I got to Japan? Is Japan the only place in this world where time is this messed up? It wasn’t until Fang Mozhu saved Professor Agasa that he finally understood what world he had transmigrated into. 274Reads8.7Score10414d adds
22. 22 坏 Oh No, Conan’s Coming to Film an Episode at My House! 坏了，柯南要来我家拍一集！ Childish Ambition Soars Above the Heavens稚比天高Anime Fanfiction579k WordsOngoing [Comedy + Everyday Life + One Heroine + Pure Romance] After transmigrating to the world of Detective Conan, is he about to become Conan's classmate? Ogawa Matsu has both parents and a happy family. To protect his loved ones, he resolutely decides to join the Junior Detective League. As the saying goes, once one person joins the club, the whole family is safe. Cases never seem to involve the few kids in the Junior Detective League or their families. Today is Conan's first day at his new school, a 5.1kReads9.2Score40714d adds

    Reader note

    This is super beautiful.

23. 23 柯 Detective Conan: The Unspoken Story Between a Cat and the Black Organization 柯南：猫猫和酒厂不得不说的故事 Banxia Qinyin半夏琴音Anime Fanfiction4.9M WordsOngoing When he saw the headline “Mysterious International Crime Syndicate Brought Down” in the newspaper, Shinichi stood up and walked over to Ran. “Ran, there’s something I need to confess to you.” “Oh? What is it, Shinichi?” “The reason I disappeared for a while was that I turned into Conan.” “Oh, that? I already knew.” “Huh?” “What do you mean, ‘huh’? Who do you think saved Akemi?” Ran raised an eyebrow. “Who do you think made your antidote?” Hanxia stood in the doorway with a lollipop in her mouth 4kReads9.3Score36914d adds

    Reader note

    They all got smaller.

24. 24 名 Detective Conan: From the Start, I Had the Entire Hat Gang 名柯：开局我有整个礼帽帮 Black Cloud Bright Eyes黑云明目Anime Fanfiction142k WordsOngoing [One male lead: Conan] [One heroine: Ai Haibara] [Fun-loving protagonist] [Has a System] [No angst] [Comedy] [Henry Stickmin crossover] Xu Youle: I'm the leader of a gang. Ai Haibara: Xiaole, I made you some chocolate. Conan: I'm sorry, but I can't afford to replace your spaceship! System: Let's play a fun game of three choices. [Note: The author admits this is the worst work of their life. Even they think it's unbelievably bad.] [Every time the protagonist follows a path offered by the System, 3Reads—Score—14d adds
25. 25 人 I'm in Detective Conan, So How Did I Shrink Too? 人在柯南，我怎么也变小了 Liao Qingshan料青山Anime Fanfiction170k WordsOngoing [Sole Female Lead] [No Pairing Changes] After transmigrating into the world of Detective Conan, Maple discovers she's become a little kid. In a world where the laws of physics don't apply, all she wants to say is, “There's nothing wrong with borrowing a little technology, right?” After successfully solving a case, Kogoro Mouri brings out the fine wine Maple gave him. “Not bad... It still tastes wonderfully sweet today!” Conan: “I suspect he was turned into a kid just like me, but I have no p 298Reads7.4Score—14d adds
26. 26 我 I Became Ai’s Childhood Friend in the Detective Conan World 我在柯学的世界做哀殿的青梅竹马 Dark Leaves, Falling Wind暗叶风落Anime Fanfiction297k WordsOngoing [No CP breakups + one female lead + original plot + adapted cases + daily life] [This book contains many descriptions of criminal cases. Please don't read if that's not your thing.] [Original organization + intelligence agencies from multiple countries + original characters] [The first dozen or so chapters cover events from before the start of the Conan timeline.] Shortly after transmigrating into this world, Kido Zeya realizes that he's ended up in the world of Detective Conan. As a longtime an 17Reads—Score—14d adds
27. 27 无 Being Invincible Is Boring, So Why Not Fall in Love with Miss Haibara? 无敌太无聊，和灰原小姐恋爱吧 The Evening Breeze Startles Dreams晚风惊梦Anime Fanfiction340k WordsOngoing [One heroine, Ai + doesn't break up the original pairing + invincible + lighthearted + brutally takes down the liquor syndicate + super sweet] Duanmu Liangye transmigrated from Blue Star into the world of Jackie Chan Adventures. After enduring countless hardships, he collected the twelve talismans, nine Oni masks, and the powers of the eight demons, only to be struck dead by a bolt of lightning. But then Duanmu Liangye found himself in the world of Detective Conan. Here, there are secrets he can 1.6kReads8.9Score10314d adds
28. 28 柯 Detective Conan: A Little Wish List 柯学：小小的愿望清单 Just Imagine幻想一下Anime Fanfiction679k WordsCompleted For some unknown reason, Shinichi Kudo took that pill ahead of time, throwing the timeline into even greater confusion. Through Conan's efforts, the Organization's secrets are gradually exposed, but! None of it has anything to do with the protagonist... All he wants is to grow up alongside Ai Haibara... 937Reads8.9Score10214d adds
29. 29 柯 Detective Conan: My School Days with Ai Haibara 柯南：跟灰原哀一起上学的日子 Rising with the Wind 3随风而起3Anime Fanfiction375k WordsOngoing Writing this out of love. I'm not a particularly talented author, and can't compare to many others, so please don't flame me if it's not to your taste. If all you have to say is, please move along. A Detective Conan fanfic Comedy + Mystery Everyday Romance + Everyday Mysteries Luo Tianhe transmigrated by accident and became a little kid. He became a child in Professor Agasa's household. As a kid, Luo Tianhe can only go to school and come home with Ai Haibara! All he can do is live a life 62Reads—Score—14d adds
30. 30 柯 Detective Conan: Snowfeather 柯南之雪羽 Fountain of Wisdom智慧之泉Anime Fanfiction516k WordsOngoing The protagonist transmigrates into the world of Detective Conan and becomes a member of the Organization, codenamed Hennessy. He is also the son of a deceased senior member. As an Ai Haibara fan, he vows to destroy the Organization and devote his life to protecting that girl, Ai Haibara. 11Reads6.3Score—14d adds
31. 31 柯 The Double-Sided Detective in the Shadows of Detective Conan 柯学之阴影处的双面侦探 Love and Sorrow Through the Seasons时序恋哀Anime Fanfiction1.4M WordsOngoing [No System, no transmigration, original characters, Detective Conan fanfiction] [Single heroine: Shiho Miyano/Ai Haibara] [The protagonist is on the gray side] [Lighthearted, everyday life, and mysteries] [The early chapters are a prequel, combining canon with original elements. The main storyline begins around Chapter 60] [The prequel's writing is immature and the pacing is slow; it focuses on the protagonist's growth] [Each chapter has a small climax or a new plot element, so there won't be an 181Reads—Score13714d adds
32. 32 名 Detective Conan: Who Says This A Drug Is No Good? 名侦探柯南：谁说这A药差了 Clear Winds, Gentle Thoughts绪澈风轻Anime Fanfiction2.2M WordsCompleted [Everyday Life] [Single heroine: Ai Haibara] [Shinichi and Ran discover each other’s identities] [Genius male lead] Akiyama Xiuxi, codenamed Baijiu, is the distillery’s top physicist and a master hacker. All he has to do each day is wait for the distillery to go under, then grab his things and run. But after an accident, he voluntarily takes APTX-4869 and shrinks to the size of an elementary school student. He adopts the name Baize You and makes an early getaway. “Wait, something’s wrong. Does t 2.6kReads8.7Score19614d adds
33. 33 我 Something's Off About My Little Ai 我家小哀不对劲 Xiarui霞瑞Anime Fanfiction1.0M WordsCompleted [Everyday-life plot + one heroine + no System] [If you can’t get through the early chapters, you can skip to Chapter 62. Please don’t make extreme comments.] A former assassin from the Organization has now become a child and just started elementary school this year. Unexpectedly, he runs into an old friend, someone he used to have a crush on. Haibara Ai: “Do you remember the love letters you wrote me?” Kobayashi Shoma: “Holy crap! You still have them? Please don’t bring them out. Just burn them 5.6kReads8.7Score62514d adds
34. 34 柯 The Science of Deduction, Gunfire, and Potions 柯学，枪火与药剂 Just Imagine幻想一下Anime Fanfiction722k WordsCompleted A top-tier assassin and a genius little girl who has escaped captivity cross paths in Beika, a city of crime. What kind of sparks will fly between them? Honestly, even I, the author, am curious... 1.5kReads8.9Score12814d adds

    Reader note

    The first book features a protagonist who is reborn as a child; the third book features a protagonist who is adopted by the Kudo couple and becomes Kudo's older brother. He later participates in research, codenamed "Member," and shrinks in size alongside Ai Haibara.

35. 35 我 Detective Conan: I Just Want to Quietly Be a Mage 【柯南】我只想安静地当个魔法师 Wanqi Sang万俟桑Anime Fanfiction1.3M WordsOngoing [Detective Conan fanfiction, no pairing, watered-down alcohol, canon couples stay together, the police academy squad gets brought back to life, protagonist has no clear allegiance, fun-loving, switches sides between the Red and Black factions] Unluckily dumped into the world of Detective Conan, Wakagi Ryo discovered the first moment he woke up that his luck stat was rock bottom. Come on, this is the Conan world. The world where simply stepping through a door with your left foot first could get y 11.8kReads9.4Score1k14d adds

    Reader note

    This is an incredibly good novel (the protagonist can use magic, seems very handsome, but is a bit unlucky...)

36. 36 人 In Detective Conan, I'm Devoured by the Grim Reaper's Power Every Day 人在名柯，每天被死神之力反噬 Neither Take Nor Give不拈不与Anime Fanfiction1.8M WordsCompleted Also known as: Conan and Gin Are Both My Brothers, So What's Wrong with Meeting Them? [No heroine / no CP, lighthearted daily life, canon couples stay together, the protagonist is of mixed black-and-red allegiance and always takes his family's side] As Shinichi Kudo's twin younger brother and an Organization member codenamed Pisco who was raised by Gin, Kazuma Kudo doesn't think of himself as part of either the Black or Red side. Why not start a third faction of his own? Beika has so many talent 6.4kReads9.2Score94314d adds
37. 37 柯 Detective Conan: The Adopted Son of the Shinichi Kudo Family 柯南：工藤新一家的养子 Blue Sky, Azure Feathers EX苍天蓝羽EXAnime Fanfiction4.2M WordsOngoing (Parallel world, Red Team, no System, no one is reborn, and the male lead has no idea what happens in the original story. He looks cold and aloof, but he’ll do any underhanded thing imaginable, like blowing up someone’s ancestral grave. He can beat anyone except Ran Mouri. Everything after Chapter 519 follows the original manga.) Mumu Jusan: “Even though Shinichi Kudo has gone missing, at least his family’s younger brother is still around, and he helps us solve cases.” Kogoro Mouri: “This guy’s 2.8kReads7.1Score35714d adds
38. 38 在 My Days Going Back to Elementary School in Mihua 在米花重读小学的日子 FeueringAnime Fanfiction284k WordsOngoing This novel could also be called “The Days I Helped Kudo Rebuild His Family Tree” (lol). After an unfamiliar white-haired man smacked him on the head, 17-year-old Shichino Tsukikage became seven-year-old Shichino Tsukishi and went back to elementary school with a smaller backpack. Then he saw the seven-year-old version of Kudo Shinichi, his former classmate of the same age. Well, Grandpa and Grandma were right. So what if I got younger? As long as nothing feels wrong, it’s not a problem. Look, Ku 80Reads—Score—14d adds

    Reader note

    The male protagonist is Shinichi Kudo's classmate. After shrinking, he becomes Conan's classmate. He didn't shrink because he took the drug. Although he is a shrunken child, his mental maturity is not at the level of a 17-year-old.

39. 39 都 Detective Conan: It's All the Fault of That Dark Filter 【柯南】都是阴间滤镜惹的祸 LuokuiAnime Fanfiction260k WordsOngoing [No female lead] + [forum] + [System] + [darkly skewed perspective] + [doesn’t save anyone] Jiang Xian, a young man from China, transmigrated into the world of Detective Conan after pulling an all-nighter and dying suddenly. He also gained the “Popularity System.” Because the world’s will rejects him, any physical contact with an important character triggers a physical reaction. The effects of this rejection leave Jiang Xian in unbearable pain, and he needs to gain enough popularity points to br 71Reads9.0Score—14d adds

    Reader note

    Okay, I've made a fool of myself once, so let's recommend some books properly. These are all carefully selected by me. 134 Is highly recommended.

40. 40 柯 Detective Conan: Playing a Deranged Double Agent in the Black Organization 柯南：在酒厂当一个疯批二五仔 The Three Mad Laughers狂笑三杰Anime Fanfiction2.6M WordsCompleted Shengu Jieyue, code-named Golden Wheat Wine in the Organization. Known as a walking armory and nicknamed the Madman, he believes that if you can solve something by hitting it, there's no need to run your mouth. Conan: “If you keep beating up suspects for no reason and forcing them to confess, I'm reporting you!” Gin: “I suspect there's something wrong with him, but I have no proof.” Akemi Miyano: “I think Mr. Shengu is a good person.” Ai Haibara: “Sis, don't let him fool you. This guy is even wo 28.2kReads9.3Score2.5k14d adds
41. 41 和 I Fell in Love with Gin and I'm Doing My Best to Get a Happy Ending 和琴酒恋爱的我努力达成HE结局 Beibei Is a River北北是河Two Male Leads483k WordsCompleted Also known as: My Romance with Gin as I Strive for a Happy Ending (I wanted to change the title when I ordered the cover because the current one didn't feel quite right. But when I went to change it, I remembered that contracted works can't change their titles. Sob.) I wanted to read Gin pairing fanfic, but I'd already read most of them, or they had things I couldn't stand. Some were abandoned, while others were still updating. Waiting for updates is so painful, so I thought I'd try writing one 2.3kReads8.9Score22914d adds
42. 42 柯 Detective Conan: I'm Just an Ordinary Phantom Thief 柯南之我只是个普通的怪盗 Beyond You, Three Layers of Snow除却君身三重雪Anime Fanfiction2.3M WordsCompleted [Leans toward female readers! Read with caution!!] I’m a magician who’s watched over a thousand episodes of Detective Conan, and I never thought the dimensional barrier could just break like that! Well, if it’s broken, I guess I can accept transmigration... becoming Kaito Kuroba... I can just about live with that. But seriously! System! What happened to Kaito Kid’s original powers?! System: “Ding! Complete the original 73-episode storyline for a chance at a random drop, dear~” So, what do you th 5.3kReads9.3Score70614d adds
43. 43 柯 Detective Conan: What's Wrong with One More Glass of Water at the Black Organization? 柯南：酒厂里多我一杯水怎么了？ Little Yang, Losing Hair掉毛小杨Anime Fanfiction307k WordsCompleted [Detective Conan fanfic] [Dropped into the story] [One heroine: Shiho] [The Organization] [Slice of life] [System (not much use)] [OOC] Since the new title has been approved, the author should revise the synopsis too. (Stands tall and proud.) First, a disclaimer! This is a novel that makes up for some of my regrets about Detective Conan! Some plot points will be changed, so there will be butterfly effects, but they're all based on the author's reasonable deductions! And now, the original synopsi 393Reads8.4Score10514d adds

    Reader note

    The male protagonist shrinks, and the female protagonist in the first three books is Ai-chan.

44. 44 我 I'm Genta Kojima, and I'm Leading the Black Organization to Turn the Tables 我，小岛元太，带领酒厂逆风翻盘 Li Mangzhong李芒种Anime Fanfiction322k WordsCompleted Yuan Tai, a university student from Huaxia, transmigrates into the world of Detective Conan and becomes Genta Kojima. To his astonishment, he discovers that he is actually the Black Organization's big boss, Renya Karasuma, and that the organization isn't evil at all, but fights to protect humanity... The American FBI and CIA, Japan's Public Security Bureau, and Britain's MI6 close in on the organization like a pack of wolves. The decisive battle is about to begin. Yuan Tai must stop the two side 126Reads8.9Score—14d adds
45. 45 柯 Detective Conan: Might Makes Right! 柯南：武力之上，皆为真理！ A Panda一只猫熊Anime Fanfiction1.0M WordsCompleted [Transmigration + Invincible + Female Lead: Xiaolan + Gray Morality + Lighthearted] After transmigrating into the world of Detective Conan, Long Ye gets a System, but never stops reflecting on life. Who holds the truth? What does justice rely on? And what is the so-called truth? Looking at the upgraded tactical sniper rifle in his hands, Long Ye falls into deep thought. … Shinichi Kudo: “I think the serial killer must have…” Inspector Megure: “No need to think about it, young Kudo. The culprit 7.4kReads8.9Score50514d adds

    Reader note

    Conan fanfiction focuses on the protagonist's shrinking physique, and the works are rich and diverse. There are hot-blooded stories where force is the only truth, as well as creative plots that incorporate unique templates and special beginnings. Set in Beika Town, these stories revolve around character interactions and strange events, satisfying readers' diverse imaginations for Conan derivative storylines.

46. 46 柯 Detective Conan: The Big Bad's Template Turns Me into a Blond Warrior 柯南：大大怪模板，化身黄毛战士 Glass-Hearted Immortal Emperor玻璃心仙帝Anime Fanfiction463k WordsOngoing [Red and black factions + lighthearted daily life + comedy + multiple love interests] P.S. Ships are broken up + overpowered protagonist + slightly unconventional thinking + bullying Conan! Li Huowang unexpectedly transmigrates into the world of Detective Conan and gains the golden finger “Daily Activities System.” All he has to do is complete random everyday activities to earn rewards. Right after transmigrating, he gets the template of Big Monster from Happy Heroes. No acting required; he g 105Reads7.1Score—14d adds
47. 47 柯 Detective Conan: I Really Didn’t Mean to Steal Ran Away 柯南：我真没想截胡小兰啊 A Beautiful Story from the Start故事开局很美Anime Fanfiction345k WordsCompleted [Breaks up canon couples + System + slice of life] Tianyu Xingye transmigrates into the world of Detective Conan. He's related to Kogoro Mouri and eventually manages to move into his house. Ran: “He's my cousin?” Conan: “Damn it, Ran, don't fall for it! This guy's no good.” Sonoko: “Ran, introduce me to your cousin! I'll be your cousin-in-law someday.” Ai: “Kudo, your deduction skills seem a lot weaker than his.” After Tianyu Xingye moved into the Mouri household, Conan could never get the bette 133Reads8.5Score—14d adds
48. 48 柯 Detective Conan: I Kidnapped Ran Mouri from the Start 柯南：开局绑架毛利兰 Ke Nannan柯南南Anime Fanfiction416k WordsOngoing Lin Tian transmigrates to the world of Detective Conan, also known as the Science of Deduction, and obtains a Judgment System before kidnapping Ran Mouri. Together with Ran Mouri, Miwako Sato, Ai Haibara, and others, he becomes a Judgment Superhero, passing judgment on all kinds of heinous criminals! 1kReads6.6Score10014d adds
49. 49 柯 Detective Conan: Surrounded in Beika! 柯南：在米花被包围！ Mysterious Banana Wolf神秘蕉太狼Anime Fanfiction584k WordsOngoing In Beika Town, Miyamoto Ushou is surrounded by beautiful women and loving every minute of it. Of course, while some are delighted, others are miserable. Kogoro Mouri, from the detective agency, slams down his drink and roars, “I’ll make Eri see that brat for who he really is!” Heiji Hattori: “Kazuha, don’t let him fool you!” Heizo Hattori: “Honey, please come back!” 2.1kReads7.1Score12914d adds
50. 50 柯 Detective Conan: The AI Wants to Become the Organization's Boss 柯南：AI想要成为组织BOSS Discounted Wooden Fish七折木鱼Anime Fanfiction3.4M WordsOngoing [Mastermind protagonist, with Japanese entertainment-industry elements, original characters remain intelligent, no-CP Detective Conan fan fiction, complete] Tell a colossal lie and make the whole world dance to its tune. If the road ahead is shrouded in darkness, I will become the darkness itself., BOSS Asakawa Kazuki. Years later, facing a glass of Black Pinot at the Twilight Manor, Rei Furuya would recall that distant afternoon when he first met the boy. Back then, Asakawa Kazuki was a rising 23.1kReads9.4Score1.5k14d adds

Other lists with Detective Conan: I'm the Second Hardest Worker at the Black Organization