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- 51 National Fate: But Xiaohua 国运:但是小花 Undertale, UT, national destiny, no female lead, no CP, Flowey, AU, revealing the past. No transmigration, no System. A fanwork based on the original, set on a special timeline. As you can see, the protagonist of this story is Flowey, or rather, Asriel. Flowey's characterization will stick as closely to the original as possible. There will be AU cameos. I'll try to follow the original settings for the AUs, but there are too many of them, so anything that differs from canon can be treated as my o 372Reads6.9Score—Shelves
- 52 UT: A Light Child's Underground Travels UT:光之子地底旅游记 Can Anyone Turn Down a Fluffy, Super-Polite Child of Light? While exploring the Isle of Dawn, Qiandao missed a step and fell into some hole or other. When Qiandao woke up, they saw golden flowers beneath them and a child frantically shaking them. Qiandao fell silent. The good news: no more exploring. The bad news: there are no candles here. A new writer’s first book, hahaha! This is not the author’s own AU!!! It isn’t!!! You can read it as a transmigration story. A little idea inspired by Sky: C 217Reads6.6Score109Shelves
- 53 Suddenly, I Got My Own System 突然多了个自己的系统 (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
- 54 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
- 55 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
- 56 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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57
The Business of Bone and Shell 骨壳商途
The Underground Sales Pitch of a Skeleton In this Undertale AU, [Legendary Salesman of 1997] Spamton swaps [bodies] with a [skeleton], but instead of landing in trouble, he smells [the opportunity of a lifetime]. He chooses the fiery [skeleton brothers] as his partners, repackages his obsession with [capturing humans] as a business venture, and starts preparing a [Human-Capturing Training Camp]. He turns the [spaghetti stand] into a storefront and promotes his own brand. With absurd marketing,
45Reads—Score—Shelves
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58
A Monster from Undertale: Sans 来自传说之下的怪物:sans
After arriving in the Undertale timeline and becoming Sans, he gains the power of Causality Code and puts a stop to the player’s genocide run. He goes to the surface with Frisk and the others, only to discover that human scientists have also begun researching “soulology.” The source of it all is the anomaly caused by that player. But Sans has no intention of taking on a whole skeleton-load of trouble. Still, one thing after another comes his way, and Sans catches sight of versions of himself fro
661Reads—Score100Shelves
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- 59 Slay the Gods: The Lazy Little Mantou Spirit Is Going to Slay the Gods 斩神:懒惰的馒头精要斩神了 [Roleplay + Slaying the Gods + Invincible + Undertale + Sans/AU Sans/Original Sans] Li Sansi got hit by the legendary Big Rig, literally! The very truck said to deliver transmigrators to another world! He was crossing the street while engrossed in a novel, already on his seventh read-through of Slay the Gods. So what happened? He watched other people cross and followed along, dazed and confused... without even looking at the traffic light! And then he went headfirst into the world of Slay the Go 283Reads8.4Score—Shelves
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60
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
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61
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
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- 62 Undertale: Special Incident 传说之下,特殊事件 This book came about because I made a mistake and ruined my previous work, Underverse: Transmigrated as Sans, so I switched over to this one and continued writing here. That's it. (Updates weekly, or less often.) —Reads—Score—Shelves











