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197
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1
Reborn as Murder 转生murder
After countless massacres, Murder unexpectedly gained countless memories about UT. He also happened to join a chat group connecting myriad worlds, and began his journey across them.
189Reads6.5Score—Shelves
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- 2 UT: I Joined the Bad Time Trio to Fight a Green-Tea Bitch?! UT:我上邪骨团打绿茶?! [Undertale] [UT] [Undertale] [Bad Sans Crew] The female lead has no romance. Side pairings include ErrorInk, MustardKetchup, NightmareKiller, and MurderHorror. The female lead comes from a derivative AU of the Blossoms Fade AU. She isn’t kind or saintly, and the backstory has been changed somewhat. The story is mainly about the female lead being selected by the System and joining the Bad Sans Crew. She half-heartedly helps deal with a suspicious little green tea who seems to have the crew’s skel 171Reads6.8Score—Shelves
- 3 Killer Doesn't Want to Move killer不想动 [Undertale AU fanfiction + No romance + Dual protagonists + Dual personalities + No System] A crossover with my previous book, Transmigrated as Horror, set in the same world. Also known as I Became Killer's Other Personality. A soul from another world merges with a soul in pain. Sharing their memories allows them to trust each other. Along this long and painful road, will they find redemption, or fall into the abyss... “I long for peace, but fate always pushes me toward a different path.” “P 1.3kReads8.9Score128Shelves
- 4 Undertale: Her Journey, His Echoes 传说之下:她的旅途,他的回响 (This is the author's first time writing, so the prose may not be very good. Feel free to discuss the setting, but please don't bring your personal headcanons into other works.) This book is also known as Undertale: This Human Is Adventuring Again Today I'm not good at writing synopses. Please head straight to the story. After the multiverse arc begins, the romance will be different from what came before, including the blurb. When he woke up, Ze Peng found himself on a mountain. As he walked for 175Reads6.6Score—Shelves
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5
National Fate: Sans Can Dominate Even While Frail 国运:sans即使病弱也能横推
Sans takes part in the National Destiny game. No transmigration plot, but there will be AUs. I’ll do my best to capture Sans’s personality and avoid making him OOC. Sans is the strongest fighter in another world. A fragile mage with infinite magic. No System, no CP, survival game. There will be viewing-room segments where secret identities are exposed. I started writing this because I wanted to write a power fantasy. I changed the cover. I drew it myself. I didn’t have time to change it before b
616Reads8.1Score100Shelves
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- 6 From the Start in Undertale, I Create a Sans Chat Group 传说之下开局创建sans聊天群 I reincarnated as... Sans. The genocide route?! Liu Feng looks at the human before him as a Gaster Blaster slowly materializes behind him. Today is such a beautiful day... Papyrus, would you like something... How about we team up against the humans? Do I have any other choice? Dust Sans takes Liu Feng’s hand. (I’m new to this, so please be kind!) 52Reads8.1Score102Shelves
- 7 Twilightale 暮光传说twilightale Keywords: Undertale, Undertale, AU, Sans An unconventional Chinese-made AU This story may have no beginning, and may never have an ending. What kind of spectacular tale will unfold on the stage of this multiverse? The blurb doesn't do it justice, so I recommend reading the story itself. This is an unconventional Chinese-made AU. I've left the fandom, and I'm only writing this book to fill in the gaps. I don't want to keep drawing, so I've switched to writing a novel instead. I'm an average writ 205Reads8.6Score—Shelves
- 8 Undertale: The Story of an ULB 传说之下:一只ulb的故事 Give him one molecule of oxygen and he'll dance until the world ends. He is the fearsome ulb. General of the Army Douglas MacArthur, speaking from far away on the surface, once said, “If God told me to defeat ulb, then God himself would have to join the battle with a real sword.” Asgore, king of the Underground, also said, “From the moment I appointed ulb as judge, I knew I would never see another slaughterer again.” Frisk, humanity's ambassador for peace, said, “After ulb's trial, I never commi 208Reads7.1Score—Shelves
- 9 My Custom Sans Travels Through the Myriad Worlds 自设sans的诸天旅行 [The Myriad Worlds + National Fate + Sans] About my original character, who has multiple personalities and wanders around the Myriad Worlds. (Note: Updates every Tuesday, Friday, Saturday, and Sunday.) Most of Sans’s characterization is based on canon, fanon, and my own ideas. (Any similarities are purely coincidental.) 215Reads7.2Score—Shelves
- 10 Transmigrated Into Horror 穿越成horror [System + sans + Undertale derivative] The story of an ordinary transmigrator. Pairing: murder × horror, no fixed roles 806Reads9.2Score104Shelves
- 11 Underfell: From the Start, I Have Sans's Abilities 传说之下开局就有sans的能力 Liu Yang stumbles upon a System and gains Sans’s abilities. He can use them in the real world or transmigrate to various AUs to help or destroy the worlds of other Sanses. What will he do? 73Reads6.8Score—Shelves
- 12 National Fate: I Transmigrated as Sans, with Zhongli as My Teammate 国运:穿越sans,队友钟离 [Undertale / UT Fan Work] [The national fortunes are not dominated by one country] I know the title's a bit of a mixed bag... But the story itself is even more complicated ( ) [The writing in the first few chapters isn't very polished, so they may not be the best read, but please stick with it for a few more chapters!] A veteran UT player with a complicated background transmigrates, only to find himself caught up in a game of national fortunes? Complete the game across ten worlds, and you can re 2.3kReads9.4Score179Shelves
- 13 EN Undertale: A Bad Sans's Journey Through the Multiverse 传说之下:邪骨旅行多元宇宙 [Anthropomorphism + multiverse + time-and-space redemption + very little OOC] After escaping the octopus's control, Killer Sans decides to travel across the multiverse, making friends in different worlds and saving other timelines with fates like his own. Along the way, he meets the experienced Murder, the mysterious ulb, and even the eerie, terrifying Sanstrosity. - Killer Sans: That's right, I'm talking to you! Want to be my friend and help me save the universe from disaster? Then type 1! Murd 253Reads8.4Score—Shelves
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14
National Fate: Fell's Bizarre Adventure 国运:Fell的奇妙冒险
After enjoying ten years in a peaceful timeline, things still went wrong for Fell. First, something claiming to be a National Destiny System suddenly appeared. Then Fell was chosen as a contestant. Fell: hdxjirfhudv
251Reads7.5Score—Shelves
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- 15 Becoming Error 成为error An Undertale AU fanfic, mostly based on my own headcanons, not canon. About a certain skeleton who decides to become a destroyer. Due to circumstances beyond my control, an official pairing was added later. It doesn't appear in the main story, only in the extras. But after signing the contract, I couldn't change the tags, ugh. Everything the protagonist does comes from his own heart. Whether good or evil, it's his own choice. No pairings in the main story. [The protagonist doesn't consider hims 2kReads8.7Score114Shelves
- 16 UNDERTALE: An Outside Presence UNDERTALE:外界存在 After being bullied, the protagonist Mo Ran attempts to take her own life, but accidentally transmigrates into Frisk, whose timeline has changed. How will she get through this seemingly hopeless Underground world, whose path Flowey has altered with his own hands? And how will everyone else find redemption? 10Reads—Score—Shelves
- 17 National Fate: Sans Has Something to Say 国运:sans表示有话要说 “I” was a typical 21st-century college student, until a truck suddenly came barreling down the road and sent “me” to another world. In short, “I” became a soul and was stuffed by some scientist whose surname started with G into the soul of a little skeleton whose surname started with S. But “I” couldn’t move or speak. Then, after a few well-known events, the monsters came to the surface. At last, “I” could speak! Though only to Sans. So every day, “I” rambled on inside Sans’s head. Sans: ... Thi 156Reads—Score—Shelves
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18
My UT Journey as a Sans Soul 成为sans灵魂的我的UT之旅
A devoted UT fan, Li Xiaoti spent several days gathering every bit of information about UT and building a massive website about the UT universe. But due to health problems, he unexpectedly ended up in the world of UT, bringing the website he had created along with him. The bad news was that he was only a soul. The good news was that he was Sans's soul. When he suddenly looked at Sans, he saw more than just Sans before him: a faint image of Killer appeared too...
183Reads7.1Score—Shelves
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19
Undergoodluck
[Undertale fanfiction] [Amateur writing (._.)] [No System] [The main cast are all native AU characters] [Any resemblance is purely coincidental] A human child named Clover falls into the Underground. Lucky Clover survives the fall and begins a strange and wonderful adventure through this bizarre place... After exploring the Underground comes a journey through the multiverse. Our AU has no ending!! Main cast: my original character Luck Sans, my OC Clover, and Dust!
65Reads—Score—Shelves
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- 20 When Sans Can Transmigrate Between AUs 当sans可以穿越au The protagonist transmigrates into Murder Sans, equipped with a System. He punches Error 404 and kicks the King of the Multiverse (just kidding). He might reach demigod-level strength later on. 3Reads—Score—Shelves
- 21 Undertale: Sans in the Apocalypse 传说之下:末世中的Sans Told mainly from Sans's perspective. Zombie apocalypse. No overwhelming combat strength [probably]. A System is present. Not a mindless power fantasy, so readers will need to use their heads. Please check the warnings before reading. In the False Pacifist route, led by Frisk, the monsters emerge from the barrier and integrate into human society in almost the best way possible. “Monsters” become a special class of citizens in the country. But happiness is always fragile, and after this strange pl 269Reads8.7Score—Shelves
- 22 Undertale: Monsters and the Children of Light 传说之下之怪物与光之子 This is the author’s first novel. There may be some heartbreak later on, but the ending is happy. Kaka: Ever since the memory stones appeared, we’ve finally been able to take a break. Pinggu: They’re only projections, after all. They can represent us in the animations, but we still have to manage everything in Valley of Triumph ourselves. Ding! Congratulations, both Hosts, on binding to the Peace System. I’m System 001. Pfft! Pinggu, who had been drinking tea, spat it out, splashing Kaka, who wa —Reads—Score—Shelves
- 23 UNDERTALE: No Response UNDERTALE:未响应 This is an UTAU fanfic~ There may be some OOC, so apologies in advance. Undertale: No Response “About how failing to finish downloading Undertale ended up creating a new AU” —Reads—Score—Shelves
- 24 The Unsolvable Undertale 传说之下无解 An unsolvable problem, yet people keep trying to find an answer, even though they don't want it solved. Some are always searching for a path. Along the way, some have forgotten why they set out on it, but there will always be others who keep following it. A note from the author: This book contains a lot of original and personal headcanon. If you're not good at reasoning things out, I recommend not reading it. If you insist, prepare an antidote and something to help you cope, because readers who 20Reads—Score—Shelves
- 25 After the Dream: Ream 梦想之后—ream [Signed] After Dream *Dream transmigrated... I was just playing with a seed, and somehow transmigrated. True peace and all that. Faith, Nightmare, a System cheat. A Minecraft streamer’s comeback journey! “Why don’t you turn off your cheats if you’re so good?” “I use cheats because I can.” Without cheats, this loser Dreamer is only a bottom-tier fighter. Why is the plot progressing so slowly! This cheat makes it feel like an invincible-protagonist story! Stop padding things out and get the pl 67Reads6.5Score114Shelves
- 26 Undertale: TL 传说之下:TL TL is an abbreviation for timeline. We don't know where time ends, just as we don't know where it begins. 27Reads—Score—Shelves
- 27 Genshin Impact: But It’s a Fatal Error 原神:但是致命错误 [Discontinued] A note before reading: This Fatal Error isn't that Fatal Error. This one is from UT! (Don't mix them up.) Synopsis *Who... am I? *Where... did I come from? *I... think I *for got some thing... *I'm Geno... right? *No, I-I-I am am-I-I-I *fatal_error 4Reads6.5Score—Shelves
- 28 E4 Enters Aotu World e4来凹凸 After someone dies, God gives him another chance. The protagonist must seize this opportunity. He goes on to become Error 404, an existence that surpasses God. Naturally, his first stop is the Aotu World. 311Reads6.9Score102Shelves
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Undertale: It All Begins with Transmigration 传说之下:从一场穿越开始
For reasons unknown, a human arrives in the game Undertale on a soul level. The compatibility between their identities and souls leaves them barely able to tell who they really are. Are they Sans, a human, or somehow both? Here, they seek the answer. And when they finally find it, they will shatter the chains of fate and set out into the boundless cosmos to create a story of their own. (A large number of characters will appear in this book, and many redesigns have already been planned: the UKB r
922Reads—Score109Shelves
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30
Undertale: Am I Playing Sans? 传说之下:我扮演sans了?
(Transmigration + OOC + chat group) Wait, how did I become Sans from Undertale? The System floating in the air answers all his questions. And from the very beginning of his transmigration, he’s thrown into a hell-level challenge. After completing it, he must travel to different parallel worlds under Gaster and the System’s supervision. (Worlds completed so far: Original, Horror, Dust, Swap, KTT, and Insanity)
807Reads7.3Score103Shelves
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- 31 Undertale: Light of Day 传说之下:白昼之光 (UT, multiverse, canon pairings stay together, pacifist) Can you hear it? That’s the sound of the stars. After a mistake shattered his save file and got him banished from his own AU, Fel Riel encounters a dark skeleton named Nightmare. Forced into his villain organization, Fel Riel tries to escape again and again, only to discover that getting away from this bunch of deranged, resentful weirdos is next to impossible. 215Reads—Score—Shelves
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Undertale: Soul Swap 传说之下,灵魂转换
Also known as: Spark Legend [Undertale] [Lots of original worldbuilding] [Characters from multiple AUs appear] [Female lead: Betty] [True Hard Mode] Red, orange, yellow, green, blue, indigo, violet, gray, white, and black: ten souls in all. Oi, kid, have you ever seen a human who can switch between different soul traits? Today, the beast in human clothing Bai Ming has arrived! The barrier isn't the monsters' greatest seal. The true seal is a curse that resets whenever monsters reach the surface.
50Reads—Score—Shelves
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33
As UKB: Seriously, Why Is the Multi-World Prosecutor Still Chasing Me? 化身UKB:不是,多审还在追我
"No System, not invincible, few tearjerkers (because the author isn't very good at writing them either)" AU title: [Undertale: Karma Fire Samsara] (Suitable for casual play, not too exhausting.) Li Yuan stayed up all night grinding CTT, then died suddenly along with his computer. When he woke up, he had become Sans. But the player here didn't seem like a good sort. After twelve consecutive failures, the timeline went a little haywire on the thirteenth attempt. A secret beneath the cliff. A stran
419Reads6.7Score—Shelves
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- 34 Nightmare Is Busy Again Today Nightmare今天也在忙碌 Updates are irregular for now, with each update being at least 1,000 words. Also, the author is terrible at coming up with names, so the chapters won't have titles. (All right, really, I just want to be lazy.) Please don't blame me if my writing isn't very good. (I did warn you in the title, after all.) The characters might be OOC at times. I'll try to stick as close to the original characterization as I can, but I'm not their mom, so they might not always be completely in character. Also, if so 88Reads—Score—Shelves
- 35 The Wonderful Journey of Error error的奇妙旅程 [Undertale AU fanfic + My take on Error as the protagonist + Not hot-tempered or quick to anger + Error based mainly on canon, with my own additions + No Romance for Error in the main story + Unorthodox National Destiny + Watch-Along Reveals the Truth + Multiverse] The National Destiny game is just a starting point, and most of the on-screen comments are friendly. Because of an unknown program, Error arrives in Aftertale to take part in a National Destiny game. Although the creator’s will means 432Reads8.7Score101Shelves
- 36 UT: Deviation ut:偏差 [Undertale derivative + heavily altered setting + OOC + Nightmare gets put through the wringer + no romance in the main story, I love platonic pairings!] If everything deviated from how it was supposed to be, if everything changed, I think I’d say that we are not redeemed, we are not forgiven, and we don’t need the judgment of bystanders, because we are simply ourselves. (This blurb is a mess, don’t mind it.) This story came from the author’s frustration with the original Dreamtale setting and 256Reads—Score—Shelves
- 37 Sans's Journey of National Destiny sans的国运之旅 My new work is now available! You’re welcome to read it on Tomato Novel. I hope you’ll enjoy it. Your support motivates me to write, and I’ll do my best to tell every story well! 38Reads—Score—Shelves
- 38 National Fate: Sans's Bizarre Adventure 国运:sans的奇妙之旅 [Undertale] + [National Fate] + [Watch-Along] + [Various Sanses] + [Minecraft] + [Indie Games] + [ErrorTale] + [Pleasant Goat and Big Big Wolf] After countless massacres, Player left this world for reasons unknown. The Underground Kingdom enjoyed a long period of peace, and thanks to Frisk’s efforts, the monsters reached the surface and began a new life. However, the arrival of the National Fate System brought new changes to this world… I’m a new author, so I may revise some chapters repeatedl 321Reads8.6Score—Shelves
- 39 National Fate: Geno Still Has Determination 国运:Geno还有决心 [Author Has a Bad Case of Laziness]+ [Awful Writing]+ [OOC]+ [Headcanon] (This geno is one who failed to become a fe.) *This is only a nightmare *Wake up, geno *You are our hope … *Keep your determination, geno 81Reads—Score—Shelves
- 40 National Fate: Is Geno Going Home Today? 国运:geno今天回家了吗? No humanized characters. The cover is mainly because I can’t draw skeletons ( It’s a national fortune survival game (sigh) + livestreaming + a bit of power fantasy + no roleplay + OOC + some characters get redeemed (like Killer) + some unofficial settings and headcanons + some characters have boosted combat abilities. The writing is bad, it’s very OOC, and I feel like I’ve made the characters act weird. The plot is also pretty unhinged, so don’t think too hard while reading. The CP is undecided 146Reads—Score—Shelves
- 41 National Fate: Sans Tried to Slack Off, but Failed 国运之sans摆烂未遂 Ultraman. Classic National Destiny setup. No transmigration, with AU characters. Parts not mentioned in the original may include my own headcanon, and characters from other works will make guest appearances. I'll write whenever inspiration strikes. Basically, I want to write something fun, and I'll try not to break your heart… probably. There'll definitely be some revelations about the past, too. All in all, I just want to serve up some real feast-for-the-soul action and have everyone kick ass. 167Reads7.1Score—Shelves
- 42 Feather’s Half-Alive Feather的半死不活 [Undertale spinoff + my own OCs + Evilbone group + writing whatever] First off, this book is purely for fun, and I can't promise regular updates. It's lighthearted, has no romance, though there may be platonic relationships. The story moves along pretty quickly. I'm not good at writing introductions, so please read the book. * This book has a mountain of headcanons. * Nightmare in this book will have fewer elements from the official canon (the canon is trash, so I'm not using it. I just like evi 132Reads—Score—Shelves
- 43 The Strange Tale of Shan and Yu 衫与鱼的怪谈之旅 [UT + AU + National Fortune + Urban Legends + Not a Power Fantasy + Not Mindless + No System + No Transmigration + No CP + Killer!Sans + Undyne] The author is a lazy slob, so there's no way I'm going to update regularly. This story leans toward comedy, with daily life as its main focus. (Of course, the everyday chapters are the best.) Special notice: You absolutely, absolutely have to read Chapter One! And you absolutely, absolutely have to read the prequel! Second edit: The book has officially 142Reads7.0Score—Shelves
- 44 National Fate: Even Today, Sans Wants to Blow Up the System 国运:今天的Sans也想炸系统 [No transmigration, no watching-the-story, no CP, with original Sans in the spotlight] There'll be secrets exposed, there'll be showboating, there'll be a little AU, and there'll be the author's long-delayed chuunibyou phase. A ridiculously squishy, unbelievably powerful mage with maxed-out evasion in every sense. I just want to see Brother Sans show off, have his secrets exposed, and then blast me, his unscrupulous creator, out of here. If you're happy, I'm happy, and everyone's happy. I recomm 210Reads6.6Score—Shelves
- 45 National Fate: Underground and Hell 国运:地底与地狱 [National Destiny + Livestreaming + Exposing Secrets + Not Overpowered + AU + Sans + Frisk + Alastor (the last few are just filler and won't get much screen time)] National destiny has descended upon Blue Star. Will humanity face destruction, or a new beginning? Chosen people from every country will be selected at random, including but not limited to those from Blue Star. Some of their races will descend alongside them as well. While countries scramble to accommodate their new arrivals, the nati 151Reads—Score—Shelves
- 46 I Transmigrated to Genshin Impact, and I’m a Skeleton? 穿越原神之我是个骨头? Lan Gu transmigrated into the world of Genshin Impact and became a god, but his brother was gone, so he set out to save him. P.S. The protagonist's abilities are roughly like Sans's. No System. A female lead may or may not appear. 80Reads7.3Score—Shelves
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47
Undertale: I Transmigrated into the Hypocrisy Route from the Start 传说之下:开局穿越伪善线
Bai Ye, who had terminal cancer, closed his eyes as he lay dying. When he opened them again, he had transmigrated into Undertale, but something about this world felt wrong... There are elements absent from the original, and events are veering off the original plot. The butterfly's wings beat faster and faster, and Bai Ye, a transmigrator, must risk everything in a desperate fight for the fate of the entire world! “For this world!”
200Reads6.6Score—Shelves
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- 48 Genshin Impact: I Become Lazy Bones Sans from the Start 原神:开局变成懒骨头sans [Undertale + Genshin Impact + Nearly Invincible + System + Infinite Flow + Tearjerker + Protagonist’s Emotional Growth] “Dude, how is this lousy skeleton so strong?” After being blown to bits by Yuan Shan for the 1,145th time, Shi Le, an 80-year-old Undertale fan, thought back on his pathetic life and finally snapped (sob). When he woke up again, he was already in Mondstadt. “Dude, did I actually become Sans?” 509Reads7.6Score100Shelves
- 49 Undertale: Starting with Nine Unique Souls 传说之下,开局拥有九种特色灵魂 Lin Zhe is a middle school student who transmigrates to the world of Undertale after an accident and even gets a System. It should have been a happy thing, but as time goes by, the girls start acting strange... Frisk holds a knife behind her back and looks at him with a feverish expression. “A-Zhe, when are you going to get together with me? Didn't you say you wanted to live with me?” Chara presses a real knife to his neck. “Lin Zhe... I said I hate humans, but I never said I hate you. So be wit 39Reads—Score—Shelves
- 50 Genshin Impact: ULBSans Powers from the Start 原神:开局ulbsans能力 (There are angst scenes, there are angst scenes, there are angst scenes. Important things must be said three times, though the angst is mild.) Liu Yang was an ordinary high school student on Blue Star. After an accident, he transmigrated to Teyvat and gained a System. From the start, he received the abilities of ULB Sans and became one of the many Archons. Realizing that the Archon War was about to break out, he joined Morax and others in founding the Guili Assembly. But his arrival caused rippl 378Reads7.3Score103Shelves

















































