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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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- 2 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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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
2.3kReads9.4Score180Shelves
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- 4 Undertale: The Afterglow of Golden Radiance 传说之下【耀金之余辉】 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
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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
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Undertale: My Narrator Is Murder 传说之下：我旁白是Murder
Fulin transmigrated into the timeline of Dusttale, inhabiting Murder. Murder didn't simply vanish into thin air, but became the narrator instead (with little awareness at first). To stop the player, reclaim the power to reset, and achieve a happy ending, he struggled through dozens of loops. Just as he was on the verge of success, he was abducted by the Evil Bone Gang and forced into a multiverse incident...
548Reads—Score—Shelves
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- 7 Ut, A Dusty Steamed Bun Under Pressure? ut，压力一只尘埃馒头？ [Undertale AU fanwork + headcanon!! Please, I beg you, check the description for warnings about the headcanon. This is Evan's game headcanon + no CP + a disastrous start + a vow to get the perfect ending] I transmigrated, but forgot my own name. I was badly injured and had been stabbed for no apparent reason. After narrowly managing to kill my attacker, Sans began wondering what to do with the body, and finally concluded that everything was going to hell. What kind of character gets stuck in a g 2.8kReads—Score360Shelves
- 8 Murder Only Wants to Do Missions murder只想做任务 [Undertale Fan Fiction] [Murder!Sans] [School Life] [System] [No Romance] [Absurd] This is the story of a monster with no hope for the future, who accepts power from beyond the world to save his hopeless world. All he has to do is go to a school in another world and face a new set of enemies. But at what cost? Dust, murder, Sans, underground monsters, sentinels, fallen judges, murderers who slaughtered the entire Underground, calm madmen, and player adversaries all have something to say. "You're 1.2kReads—Score253Shelves
- 9 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
- 10 Undertale! Flowers and Dreams [True Reset Edition] 传说之下！花与梦【真重置版】 You can skip the character introductions in Chapter One. The reason is that by the time the author got further into the story, they’d forgotten what they had written in the introductions (heehee). The main story, Can Interfere, and Alternate are three different timelines branching from the same basic premise. Most of the characters have the same personalities in each, though Shan seems a little different. Frisk is a human child who ended up here after an accident and set off on an adventure! But 37Reads—Score—Shelves
- 11 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
- 12 Hello, My Name Is Ink! 你好，我叫ink！ [Undertale AU spin-off + no System + no CP + heartless little villain + lots of original lore + chaotic neutral] Simply put, this is a travelogue about the protagonist after being reborn. He always puts himself first, roaming far and wide in pursuit of his ideals. At first, he works as a hired hand for the heroes; later, he becomes the fall guy for the villains. A certain little dreamer comments, “Although our differences in ideals forced us to part ways, he will always be my friend.” A certain 977Reads8.1Score134Shelves
- 13 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
- 14 A Mad, Mad World 疯一样的世界 A quiet, ordinary life is what matters. No transmigration, all-nightmare, OOC series. After countless cycles, Nightmare plans to make himself disappear. 124Reads—Score—Shelves
- 15 Ghost Wants a Peaceful Route ghost想要和平线 [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
- 16 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
- 17 Listen Up, You Fools 听着，蠢货们 [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.) 114Reads—Score—Shelves
- 18 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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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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- 20 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
- 21 Online Game: Your Daddy Sans Is Here! 网游：你杉斯大爹来咯！ [Female Lead] [No CP] [Sans as a genderbent girl] [Game] Lin Luoxue is both unlucky and lucky. In the world she transmigrated to, she made it into the top ten worldwide in a game called [Seventh Day], only to unexpectedly transmigrate into the game a second time. She even became Sans from the game [Undertale], which she played in her previous, previous life! Lin Luoxue looked at her own fair hands and let out a piercing shriek: “Why am I a girl?!” After seeing the despair of the white-haired gi 739Reads—Score103Shelves
- 22 I Am Chara, and I'm Not 我是chara，也不是 Special events, original worldbuilding, a pairing, very sweet with a touch of angst (the protagonist just dies a few times, that’s all). Also known as: Wayward Heart Once this drug takes root in a person’s heart, it is “impossible” to undo. No one can quit. The prophecy begins: a new soul will save the world. This is simply a moving story about how, amid endless despair and chaos, two lonely souls find each other, heal each other, and ultimately discover that “love” is real, transcending both co 251Reads—Score—Shelves
- 23 Undertale: Blossoms That Never Fall 传说之下：永不飘落的繁花 (No CP + SF + HE + Upholding RightE = ?) In 201x, at Mount Ebott, Crow heard that no humans who went there had ever returned. So, with a missing-person flyer in hand and a bow on her back, she went to investigate. She saw Frisk trip over a vine and fall into a deep pit, so Crow jumped in after her. After freeing the Underground, Crow thought she had reached the end. But with Flowey’s prompting, she found Gaster and struck a deal with him… She would go uphold justice and grow stronger, while Gast 24Reads—Score—Shelves
- 24 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!” 190Reads6.6Score—Shelves
- 25 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
- 26 Undertale: A Journey of My Own 传说之下：属于我的一场旅途 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
- 27 Undertale: Above the Mortal Realm 传说之下：现世之上 [Undertale + Undertale: Yellow + Deltarune] Lin Qi is a college student who has returned from overseas. He is just about to head home and meet up with his childhood friend when she turns to him with a serious expression and says they need to save the world. Lin Qi: ? Yun Qingxin: I have a divine weapon, so we'll win! Lin Qi: All right, let's go together. They reach the town at the foot of Mount Ebott. First, they buy a house to use as a base, then go find out where Chara is buried and see where 25Reads—Score—Shelves
- 28 Undertale: Dust's Search for His Bro 传说之下Dust劳弟的寻哥记 [Undertale + OC + multiverse] Pure fanfiction. Where it differs from the original, please treat it as my own interpretation. Apologies for any out-of-character moments. Mostly slice-of-life and battles, with pairings and crossovers. The characters may not be very well developed in this first book. 309Reads—Score—Shelves
- 29 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
- 30 UT Fanfiction: Beneath the Dust ut同人：尘封之下 [Standalone AU] [A little multiverse] [Plot-focused] [Follows the original] When this world becomes more beautiful than before, and threats from far away and close at hand turn to dust, I'm safe. But why can't I feel happy at all?, Sans "This guy isn't quite like the one in my memories, is he?" Watching the human beside me keep their head down and say nothing, stuffing their own pie into their mouth, I can't help wondering: is this really the same maniac who killed me hundreds of times in my dre 209Reads—Score105Shelves
- 31 The Fall of Twilight: Beneath the Aurora 暮色之陨：极光之下 Maybe... if the war had never broken out back then, we would have had better lives. When the aurora blankets the world and monsters endure their days in pain, who will step forward to change everything? No... It's all in vain. When the last bit of warmth vanishes from the midst of malice, revenge can no longer be held back. With golden light by their side, is it a blessing or an ill omen? And behind the or 105Reads—Score—Shelves
- 32 Beneath Nirvana 涅槃之下 Timeline in disarray? A new AU has emerged? But it doesn't seem quite the same? Who am I, really? Frisk? Chara? Or perhaps both? In this insane world, everything seems perfectly reasonable... Unveil this false facade and reveal the purest of fantasies. Welcome to the bizarre and uncanny UnderNirvana. 5Reads—Score—Shelves
- 33 Genshin Impact: The Skeleton from Amphoreus 原神：来自翁法罗斯的骷髅 [Players, gacha pool, mainly Genshin Impact] After finally recreating Amphoreus, I somehow ended up on a continent called Teyvat. As the saying goes, since I’m already here, I might as well settle down. Player: So that’s why you’ve been to all seven nations? Sans: I’ve got some stir-fried snow here. It won’t cost 9,999, or even 999, just 99,999 Mora. Player: Here you go. Sans: Sorry, but I don’t have any stir-fried snow. (Shrugs) [The synopsis is beyond my abilities.] 192Reads—Score101Shelves
- 34 Undertale: The Hardest Perfect Ending to Achieve 传说之下：最难达成的完美结局 The story follows the plot of the game Undertale. The protagonist is a transmigrator who knows nothing about the game’s story, and does his best to achieve the “perfect ending” as he feels his way forward! How exactly do you trigger the perfect ending? How does a complete beginner get into Undertale? This book gradually immerses readers in the game’s story through the protagonist’s perspective, bringing its battles, puzzles, easter eggs, and more to life. The story moves at a slow pace, so pleas 204Reads8.0Score—Shelves
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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
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- 36 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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A Chara from a Parallel Universe Becomes a Gacha Character 同位体Chara，成为卡池角色
[Undertale] + [Honkai: Star Rail] + [Everyone dotes on her] + [Angst] On a beautiful planet, humans and monsters lived together, but racial discrimination kept them at odds for a long time. Then one day, a huge swarm of bugs arrived and swept away every organic life-form and all organic matter on the planet, leaving only one human survivor: Chara. She left her home behind and boarded the Astral Express, never expecting to witness the fall of the Aeon of Trailblaze and the Nameless rebelling and
2.7kReads8.9Score337Shelves
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Genshin Impact: Sans's Bizarre Adventure 原神，sans的奇妙冒险
[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
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Legends of Dust: Pale Divine Miracle 尘埃传说：苍白神迹
After countless massacres, Sans could no longer bear to watch his companions die before his eyes, so he began resorting to extreme measures. Unfortunately, none of them ever worked. This despairing situation went on for who knew how long. Just as he thought it would continue forever… An unimaginably great being opened its eyes and looked upon this world. (This is the author’s second book. The quality may have improved a little, but please don’t get your hopes up too much, as the author’s writing
265Reads—Score—Shelves
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Zenless Zone Zero: The Judge from UT 绝区零：源自UT的审判者
[Zenless Zone Zero]+ [Honkai: Star Rail]+ [UT]+ [MC]+ [No Male Lead]+ [Fluff]+ [Memes/Comedy/Daily Life] (Please don’t flame if it’s not your thing.) A parallel universe of UT. Among the many AUs, the Star Domain is an unremarkable one, and it is still being rebuilt even now. The Star Sisters, Xingcheng and Xingyun, currently live in all of CORE!Frisk’s Omega timelines. While creating their own world, the sisters often travel to other AUs, calling it a way to balance work and rest and gather ins
23Reads—Score—Shelves
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Undertale: She’s Not the Protagonist 传说之下：她不是主角
[Transmigration] [No Romance] [Ensemble Cast] [Everyone Is Strong] [A Little Golden Finger System, Redemption, and Wild Ideas] [Antagonist] [Slow-Paced and Lighthearted at First, Then a Transitional Middle] [Happy Ending] A lot of UT players transmigrated into this UT multiverse, a place that seemed peaceful on the surface but was actually rife with undercurrents... Narrator: *Among the people working to protect the peace of the universe, there is a hidden killer with the employee number 103. At
96Reads—Score—Shelves
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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
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- 43 Being the Brightest Star Every Day 日常做最亮的仔 Also known as My Little Sister Became a Little Bun One Day [Note: UT fanfiction + OOC warning + family-focused + lots of original headcanons + no CP + mostly everyday life + short story] … … What happens after someone dies of sudden cardiac arrest? "You start out as a ball of light, get two older brothers as a bonus, and have a natural talent for magic." Stars pushed up a pair of nonexistent glasses and answered with feigned solemnity. Beneath the peaceful years, what lies hidden? A treasure and 121Reads—Score—Shelves
- 44 About My Love for an Oil Octopus 关于我喜欢一只石油章鱼这事 [Complete and signed] [Just an embarrassing old work] Nightmare otome It’s already an embarrassing old work (looks away) 102Reads8.2Score—Shelves
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Transmigrating to Another World: From the Start, I Transform into Sans 穿越异界：开局变身sans
The protagonist has multiple Systems. The national destiny game has no negative bullet comments. (The author has other books too, so feel free to check them out if you're interested.) Current storylines: transitional world (Volume 1 complete), national destiny forbidden zone (Volume 2 complete), breaking Lord Zoffy's Ultra Key, and tricking Beta Spark into the hands of Ryu Aihara (Volume 3 in progress). Ideas being considered: transforming into the original Ultraman in another world and fighting
36Reads—Score—Shelves
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- 46 Transmigrating to Another World, My Family Has a Shirt 穿越异世界家里出衫 Sorry, I’ve dropped this book... If you like Ken x Old Finn, give it a look. For some unknown reason, Amei transmigrated to another world. Just as a System finally appeared and gave him the ability to decide who to become, it disappeared. From then on, he became C. One day, while school was on break, he tried using an ability he had never used before. After that, there was an extra skeleton in the house, and the skeletons just kept piling up... 98Reads—Score—Shelves
- 47 Undertale: The Woodless Universe 传说之下：木得宇宙 [Anthropomorphic characters + original setting, not transmigrated; Undertale derivative; CP: Murder x UKB] This is the official novel of the “Woodless Universe.” It tells the story of the multiplication and evolution of the Sanses, along with their everyday lives, in an infinite multiverse. ~ Whether it's Murder or UKB; whether it's Horror or Killer; whether it's Insanity or ULB; whether it's HM or Ainavol; whether it's Ultra or CNR; whether it's UB or Outer. Many of the characters you've se 9Reads—Score—Shelves
- 48 Undertale Fanfic: A Few Things About a Certain Parallel Universe UT同人：某平行宇宙的那点事 [Everyone is humanized + tons of headcanons + multiple pairings and everyday life] (This is my first time writing a book, so please bear with me.) (Please don’t get too attached to the original characters, or they’re guaranteed to go out of character.) As you can see, the characters in this somewhat strange Undertale AU have all been turned into humans. There are no bone-filled brawls across the multiverse here, just a simple, peaceful daily life, with the occasional little trouble cropping 103Reads—Score—Shelves
- 49 Undertale: Anomalous Timeline undertale：异常时间线 Long ago, two races lived on Earth: monsters and humans... Heh. You’ve heard this story many times before, haven’t you, “Player”? But this time, in the name of “Anomaly,” I unilaterally declare your game over. I’ll save this world from you, and that includes the poor child. I hope you like the little gift I’ve prepared for you. Brief version: In a special timeline, when Sans is replaced by an anomalous being and the truth of this world is revealed from the very beginning, where will the world ul 15Reads—Score—Shelves
![Undertale! Flowers and Dreams [True Reset Edition]](https://p3-novel.byteimg.com/novel-pic/p2o9ea36eeaf28a1ab949bb2a798beaa122~tplv-resize:120:0.jpeg)
Other lists with Undertale: It All Begins with Transmigration