Stories Where the Protagonist Has Sans’s Abilities or Becomes Sans 主角有sans能力或者变成sans的小说

1. 1 传 Undertale: The Afterglow of Golden Radiance 传说之下【耀金之余辉】 Lord of the Mastery掌握者之主Anime Fanfiction35k WordsCompleted You’re playing a game when you transmigrate into a Sans, and your mission is to save the multiverse...? There’s a System, no heroine for now, a Sanb chat group, and the protagonist is almost invincible. Current progress: UTGA (this world), UT, Horrortale, Undertale_Insanity 4Reads—Score—Shelves

   Reader note

   The first book was written by me, the second and fourth were by another author and were good, the third book was updated a bit slowly, and then the last one was great, no need to say more.

2. 2 传 Undertale: It All Begins with Transmigration 传说之下：从一场穿越开始 The Sourest Fish with Pickled Cabbage最酸的酸菜鱼Anime Fanfiction518k WordsOngoing 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
3. 3 国 National Fate: I Transmigrated as Sans, with Zhongli as My Teammate 国运：穿越sans，队友钟离 Magician of the Rainbow Bridge七彩虹桥的魔术人Anime Fanfiction329k WordsOngoing [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
4. 4 传 Undertale: Am I Playing Sans? 传说之下：我扮演sans了？ The Sourest Fish with Pickled Cabbage最酸的酸菜鱼Anime Fanfiction775k WordsCompleted (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
5. 5 穿 Transmigrated Into Horror 穿越成horror Gray Baiye灰百叶Two Male Leads418k WordsCompleted [System + sans + Undertale derivative] The story of an ordinary transmigrator. Pairing: murder × horror, no fixed roles 806Reads9.2Score104Shelves
6. 6 原 Genshin Impact: Sans's Bizarre Adventure 原神，sans的奇妙冒险 An Ordinary, Anxious Person平凡又焦虑的人Anime Fanfiction532k WordsCompleted [No female lead + not invincible] After countless cycles of peace and slaughter… Sans: Okay, this is really “skull.” I should've known you'd be the variable that showed up in the timeline. G: Countless resets have made this timeline abnormal. You don't belong here anymore. Go out and broaden your horizons. Sans: Okay. (shrugs) I hope wherever I end up has ketchup and hot dogs. (The author is just writing this in their spare time, so there isn't a draft or anything. I write whenever inspirati 364Reads8.4Score105Shelves

   Reader note

   Uh, why are all the books in UT accompanied by Genshin Impact?

7. 7 星 Honkai: Star Rail: How Is This Skeleton So Strong? 星铁：这个骨头架子怎么这么强 A Beautiful Little Firefly一只美丽的萤火虫呀Anime Fanfiction91k WordsCompleted “Seriously, Sans, can you take this seriously?” “Ha ha ha, March, you should know skeletons can fall apart.” (After being utterly destroyed by Sanb 114,514 times, an overworked office worker went out to clear their head, only to get hit by a runaway truck and end up in the world of Honkai: Star Rail. They awakened a System that lets them become a different judge every day, then set off on a wonderful adventure aboard the Astral Express.) A friendly reminder: You may want to go through the story 729Reads6.6Score104Shelves
8. 8 原 Genshin Impact: ULBSans Powers from the Start 原神：开局ulbsans能力 Threefold Memories of Days Gone By三重往日时光Anime Fanfiction339k WordsCompleted (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
9. 9 原 Genshin Impact: I Become Lazy Bones Sans from the Start 原神：开局变成懒骨头sans I'm Really Shi Le我真是时乐啊Anime Fanfiction358k WordsCompleted [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

   Reader note

   The first ten chapters of this book may not be very good, but if you are patient and read a few more chapters, it is really great, especially the chapter Undersnow-cover. It is a little bit sad, but if you are reading Genshin Impact fanfiction, what are you afraid of?

10. 10 成 Becoming Error 成为error Zhiye Kalas Hali Si治也卡拉斯哈里斯Anime Fanfiction310k WordsOngoing 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
11. 11 梦 After the Dream: Ream 梦想之后—ream ReamAnime Fanfiction388k WordsOngoing [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
12. 12 人 A Diary of Life in Undertale 人在传说之下的生活日记 Lazy Enough to Die Neurosis懒死的神经病Anime Fanfiction105k WordsCompleted My name is Bai Mo. I just arrived in Undertale, and I am freaking out. What the heck, X Gaster? Good grief, the Four Sanses? And now a Soul Crystal? You're all so powerful, what am I supposed to do? Whatever, I'll just slack off! (No angst in the whole story) 155Reads—Score—Shelves
13. 13 听 Listen Up, You Fools 听着，蠢货们 Li Xiaomi黎晓蜜Anime Fanfiction38k WordsCompleted [Undertale Fanfiction + Bad Guys + Nightmare + A Little Mind Reading] How should I put this? It's a pretty bad story, very mundane and meandering. I wanted to read it myself, so I wrote it, and since I wrote it, I published it. If you don't like it, please go easy on me when you criticize it. (This is blatant mistreatment of Nightmare, so hardcore fans, run! And I'm not going to address the protagonist's name.) 122Reads—Score—Shelves
14. 14 暮 Twilightale 暮光传说twilightale Dream of the Future未来之梦Anime Fanfiction265k WordsCompleted 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
15. 15 U Undergoodluck LuckyFlowerAnime Fanfiction148k WordsCompleted [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
16. 16 国 National Destiny, but I Transmigrated Into Murder 国运但是穿成murder Sour Lemon Juice owo酸味柠檬汁owoAnime Fanfiction37k WordsOngoing A miserable high school student jumps from a rooftop. When he opens his eyes again, he has become someone else. What will happen next... Written purely for love, updates are irregular. (Why can the protagonist’s name only be five characters long!!!!!) 46Reads—Score—Shelves
17. 17 尘 The Sealed Mountain, A Chant of Sorrow 尘封之山，哀声之诵 A Big Shanshan一个大杉杉Anime Fanfiction53k WordsOngoing There's nothing here (┯_┯) Canon setting + a few original additions, Murder!!!!!!!! This is the first reset. No one remembers anything except that human and that flower. The slaughter repeats over and over, and the human is never satisfied. Just when it seemed everything would keep looping like this, something unexpected happened... 22Reads—Score—Shelves
18. 18 化 As UKB: Seriously, Why Is the Multi-World Prosecutor Still Chasing Me? 化身UKB：不是，多审还在追我 Xiao Yuan-chan小源酱Anime Fanfiction292k WordsOngoing "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
19. 19 传EN Undertale: I Forge the Perfect Ending! 传说之下：我！完美结局铸造者！ Chuan Shang Mang Ke川上芒可Anime Fanfiction208k WordsOngoing (Toxic-content warning: There is a female lead, neither lead is particularly strong, there are other transmigrators, some details involving time travel are inconsistent, and the pacing is slow at first. If you can accept all of that, then let’s begin!) AU name: LD! Undertale Lin De accidentally transmigrates to the world of UT! To reach an even more perfect ending, he travels through time and space, stepping outside the grasp of the unseen hand behind the scenes, all to understand the truth of t 281Reads8.7Score—Shelves
20. 20 恶 Demon Link: Visitor from the Underworld 恶魔连结：地域来客 Chang Yuechan in Big Shoes上大鞋的常月缠Anime Fanfiction344k WordsOngoing (Slice of life, transmigration, battles later) A story about Sans from Undertale transmigrating into the world of Demon Link. The author is writing purely out of personal interest and will do their best to stay true to Sans and the other characters. Updates are irregular, but I hope you enjoy it! By the way, I'm a new author, so please be kind! 1.3kReads—Score187Shelves

    Reader note

    The bags are nice, but the updates are a bit slow.

21. 21 突 Suddenly, I Got My Own System 突然多了个自己的系统 cassureMystery278k WordsCompleted (No female lead + AU spin-off + original AU setting + plot-focused) In short, it's just my weird ideas... I'm only writing for fun... It may involve all sorts of elements, but the main focus is my, um... babies. I woke up one day... and things outside seemed to have changed. I don't know what changed, but it claims that I created it, that it belongs to me... that it's mine... Whatever... It's fine... Let's just leave it at that. 30Reads—Score—Shelves

    Reader note

    These two books are by the same author under different accounts. The main character has a system that allows him to create a character and then participate in the nation's destiny while playing that self-created role. Also, I'd like to recommend another book that not many people read, called *AW Timeline, UT Boredom Product*.

22. 22 突 I Suddenly Got a Second System of My Own 突然多了个自己的系统二 What Else Could It Be But a Cat就猫啊还能是啥Sports148k WordsOngoing This is the continuation of “Suddenly, I Got My Own System.” The first book is on the account cassure. There’s not much to introduce, but I’m truly grateful for everyone’s support. 22Reads—Score—Shelves
23. 23 穿 I Transmigrated to Genshin Impact, and I’m a Skeleton? 穿越原神之我是个骨头？ Lazy Ghost Blows Out the Lamp懒鬼吹灯Anime Fanfiction155k WordsCompleted 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

    Reader note

    Rotate it once

24. 24 原 Genshin Impact: Liyue’s Skeleton Judge 原神：璃月的骷髅审判官 last Chenyelast尘埃Anime Fanfiction323k WordsCompleted [Warning: This book contains a romantic pairing, Sans x Yanfei. Please don’t read if that’s not your thing.] [No System + Plot + Some Original Elements] After the timeline collapses from being reset again and again, Sans, who was forcibly made to absorb a human soul, is accidentally cast by the chaotic timeline into Teyvat, to Liyue, the so-called commercial empire. After negotiating with Liyue’s ruler, Morax, he signs a contract and becomes a laid-back judge in Liyue... Sans: It feels... famili 167Reads—Score136Shelves
25. 25 原 Genshin Impact: Reborn in Fontaine as Fufu’s Big Sister 原神：重生枫丹之我是芙芙姐姐 The World's Tuning Lawbearer世界的调率律者Anime Fanfiction202k WordsOngoing “A strategist enters the game himself, and with one move can outplay the emperor.” The moment Furina Chen entered the gacha pool, she became a work of art. [HoYoverse, give us our Furina back!] [So everything was part of her plan?] [Rest in peace, Focalors. We offer you our highest respect… Furina Chen de Fontaine.] [Here’s fifty-seven or eighty million Mora for the lawyer’s fees… HoYoverse, give us our wife back!] [Furina Chen/Furou’s move was brutal.] [There’s another twist?] “Fufu… Sister… I’ 192Reads—Score—Shelves

    Reader note

    How about this one? It matches my major.

26. 26 原 Genshin Impact: A Journey Through Teyvat’s Dust 原神：尘埃的提瓦特之旅 Dust Watching the Show看乐子的尘埃Anime Fanfiction101k WordsCompleted [The author only wrote this book out of boredom, so the writing might not be very good.] A white room, A painful memory, A determination that will never die, A madman? A wondrous adventure, A chance to atone, A loyal friend. And so this adventure begins... 129Reads—Score—Shelves

    Reader note

    Anyway, they're all UTs.

27. 27 传 Undertale: A Journey of My Own 传说之下：属于我的一场旅途 Looking into the Distance遥望至Anime Fanfiction942k WordsOngoing What is set in stone cannot be changed. All we can do is accept it. After dying suddenly in an accident in his previous life, Heripons transmigrates into the world of the game Undertale! But as the price, he loses some of his memories. Guided deliberately by Frisk, the game's original protagonist, he manages to reach the Pacifist ending and recover some of the memories he lost. He thought he could only go on living in someone else's body and appearance, but an encounter planned long in ad 1.1kReads8.7Score138Shelves

    Reader note

    I also highly recommend this book, but guess what? I used Kim Assistant to write a novel, and the result was completely different from what I wanted. I wanted Undertale, but it kept writing other things for me, it was hilarious, the ingredients were too complicated.

28. 28 U UT: From Minecraft to Undertale UT：从我的世界到传说之下 Dawn of the End终末之曦Anime Fanfiction263k WordsOngoing By chance, Ke Yimeng transmigrated into My World and obtained a Multiverse Panel. A mysterious person told him that they would explain how to use it five hundred years later. After enduring an incredibly difficult five hundred years, Ke Yimeng found that mysterious person and used the Multiverse Panel to travel to another world… (New author with limited ability. Please don’t flame me if it’s not to your taste.) 68Reads—Score—Shelves
29. 29 传EN Undertale: A Bad Sans's Journey Through the Multiverse 传说之下：邪骨旅行多元宇宙 oirAnime Fanfiction236k WordsCompleted [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
30. 30 国 National Fate: Sans Tried to Slack Off, but Failed 国运之sans摆烂未遂 Zhuo Yi Lin濯沂霖Anime Fanfiction185k WordsOngoing 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
31. 31 传 Undertale! Why Is There a Creeper Here? 传说之下！为啥这里有只苦力怕？ Frosty Someone Is a Creeper霜某是只苦力怕Anime Fanfiction73k WordsCompleted The power levels in this story are completely broken, so please set your brain aside before reading... (Don't worry, they won't fall apart early on, at least not on a narrative level. If you're here for the power scaling, you can let the chapters pile up first.) Perk Helmet arrives in the world of Undertale and sets off on an adventure... With his ability to control things with his mind, he travels through all kinds of AUs, and in the end... —Reads—Score—Shelves
32. 32 M Murder, the One Who Carries Out the World's Will Murder，践行世界意志之人 oirAnime Fanfiction148k WordsOngoing [Anthropomorphism + System + Native, Not a Transmigrator; Undertale derivative, CP: Murder x Killer] … In the ceaseless cycle of reincarnation, who can remain untouched by endless repetition? Murder, born of Dusttale, was unexpectedly bound to a “System” at the end of a timeline. From then on, he was forced to travel through different times and spaces, helping the native Sans solve problems. After completing eighty-one missions, the plan to erase humanity would finally reach its conclusion! To d 17Reads6.7Score—Shelves
33. 33 传 Undertale: From Underground to the Surface 传说之下：从地底到地面 20086lrAnime Fanfiction226k WordsCompleted Most people are already familiar with the full storyline of Undertale, so I won’t go into it here. This book simply goes through the whole story so newcomers can learn the details. You can also choose not to read it; I’m not expecting many readers anyway. Later on, I might write some fanfiction or something, so don’t get your hopes up too high. 15Reads—Score—Shelves
34. 34 我 Minecraft: Starting as an Undertale Judge 我的世界：从传说之下审判官开始 Wandering Hacker浪客HackerAnime Fanfiction159k WordsCompleted "System + Transmigration + Goofy Comedy" No characters getting dumbed down Yu Chen was a high school student when he suddenly transmigrated into Minecraft and became a skeleton. Little did he know that the world had already collapsed and the Outer Gods were stirring. How will he face the invasion? 69Reads—Score—Shelves
35. 35 传 Undertale: The Story of an ULB 传说之下：一只ulb的故事 Leader of the Way of Great Peace太平道道主Anime Fanfiction150k WordsCompleted 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
36. 36 国 National Fate: Sans Can Dominate Even While Frail 国运：sans即使病弱也能横推 TascrilAnime Fanfiction192k WordsOngoing 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
37. 37 国 National Fate: Even Today, Sans Wants to Blow Up the System 国运：今天的Sans也想炸系统 Mo Liersha莫莉尔莎Anime Fanfiction74k WordsOngoing [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
38. 38 自 My Custom Sans Travels Through the Myriad Worlds 自设sans的诸天旅行 GenoAnime Fanfiction685k WordsCompleted [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
39. 39 c Chara: A Glitch in the Undertale Timeline chara传说之下错乱时间线 Reincarnator Chara Xingyu转生者chara星雨Anime Fanfiction251k WordsOngoing By chance, in an unexpected shower of starlight at a comic convention, she was chosen by a terrifying bolt of multicolored lightning. And so began a wondrous adventure in Undertale. Reincarnated as Chara in a chaotic timeline full of uncertainty, she was bound to a "salvation" System and created a UT chat group. Across the multiverse, she journeys and embarks on adventures!!! 6Reads—Score—Shelves
40. 40 星 Honkai: Star Rail: Sans Soul System 星铁：sans灵魂系统 Heart Pursues Fire Through the Years岁心逐火Anime Fanfiction215k WordsOngoing “I'm immensely powerful because I have Sans.” “Why is there a Fu here?! “Why does she say she feels comfortable around me, and that she likes me?!” (Early on, there are prize draws; later, it gradually turns into a shop.) (Just so you know, I'm a new author, so there may be out-of-character moments, missed plot points, and other issues. I hope you'll be patient with me. I'll definitely get better as I go.) 60Reads—Score—Shelves

    Reader note

    Ut and Ironclad are a perfect match, and the protagonist possesses Sans's abilities.

41. 41 传 Undertale: Her Journey, His Echoes 传说之下：她的旅途，他的回响 Xu Xun, Who Loves to Argue爱吵闹的绪寻Anime Fanfiction130k WordsOngoing (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

    Reader note

    The first book, while not a Sans story, is very good and I highly recommend it. The second book isn't a light novel; it requires some thought to read, making for a better viewing experience. The third book feels like the pinnacle of Sans's legacy, full of witty remarks. The first few chapters aren't the best, but it gets really good later on, so be sure to keep reading!

42. 42 传 Undertale: Sans in the Apocalypse 传说之下：末世中的Sans ClassicSci-Fi & Apocalypse721k WordsCompleted 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
43. 43 U UT: Agnoy's National Fate Journey UT：Agnoy的国运旅途 AgoonyAnime Fanfiction109k WordsCompleted Agony!Sans: My OC. It means extreme agony. You can call it Extreme Pain or Agony Sans. [UT + National Destiny + transmigrate + AU + not invincible + no CP] The story starts with the National Destiny game, though other content may appear later. This is about writing an angsty OC who gets hit by a truck. Yep, from the 16th floor. Then they transmigrate into my OC. Just as they’re feeling hopeless and trying to slack off, they get pulled into the National Destiny game. Something seems to have chang 26Reads—Score—Shelves
44. 44 e E4 Enters Aotu World e4来凹凸 User69096785用户69096785Anime Fanfiction944k WordsCompleted 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
45. 45 e The Wonderful Journey of Error error的奇妙旅程 Han Linyue寒临月Anime Fanfiction361k WordsOngoing [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
46. 46 传 Undertale: A World Gone Wrong 传说之下，错误的世界 Bored Middle Schooler Jie Rui无聊的初中生劼睿Urban265k WordsCompleted A System that had just passed its evaluation couldn't wait to find its first Host. A Judge who had just experienced an era of peace. Everything seemed to fall perfectly into place, but it was all just part of “his” plan. 50Reads6.5Score—Shelves

    Reader note

    Take a look, it's okay.

47. 47 关 That Time I Went from an AU to the World of Ponies 关于我从au穿到小马世界那档事 Tripe Soup Puff Pastry肚丝汤酥皮Anime Fanfiction272k WordsOngoing Mu Qingyi, a high school sophomore in the 21st century, was abducted by a beam of white light while watching UT videos at home. He arrived in a world with only 27 hours left and became Sans. Later, for reasons unknown, he ended up in the world of My Little Pony. He doesn't know much about this world; he's only seen one or two episodes. But he discovers that he seems to be the strongest one here. And so, a vacation in another world begins. 168Reads—Score—Shelves
48. 48 s Sans's Time in Gensokyo sans于幻想乡的时光 Toasted Bread Crust烤面包干Anime Fanfiction155k WordsOngoing Sans's Days in Gensokyo, also known as The Eastern Repair Chronicles Note: This isn't the original Sans. His personality is as close to the original as possible. This story contains a lot of fanon elements, mostly from Touhou and a little from UT, since Touhou fanon is often more interesting. The characters may act out of character, though I'll try to avoid that. Updates are irregular, so read at your own discretion. AU + Sans + Touhou + light dice rolling + a little meme humor (please don't com 96Reads—Score—Shelves
49. 49 g Ghost Wants a Peaceful Route ghost想要和平线 Unconventional Expectations非常规期待Anime Fanfiction517k WordsOngoing [Undertale fanwork] [Some original headcanons] [No pairing in the main story] The main plot follows Killer!Sans's official comic, and has currently reached the multiverse. Hi, I'm Ghost. I'm a ghost~ Right now, I have absolutely no idea what strange world I've fallen into. But that's okay! I can't remember anything anyway. I don't know whether forgetting is a good thing or a bad thing. I don't know. I sincerely hope it won't be long. So, Sans, go back to sleep for a little while. It'll be over s 632Reads8.4Score112Shelves
50. 50 传 Undertale: A Look Back at the Journey from Dust 传说之下：盘点从尘埃开始 Lazybones Sans懒骨头杉斯Anime Fanfiction245k WordsOngoing Undertale: Watch Party A huge black screen, like a movie theater screen, suddenly appeared in the Undertale universe. As the many AUs stirred and went on alert, the screen… lit up! It showcased unusual timelines caused by the original game’s Genocide Route. One by one, these timelines of extraordinary events appeared: Dust! Disbelief! Killer! The Unseen Ending… and many more. After the first showcase ended, people discussed what they had seen. Then the second showcase began! This time, it featur 429Reads—Score108Shelves

Other lists with Undertale: The Afterglow of Golden Radiance