Novels like Undertale: The Hardest Perfect Ending to Achieve
Books Chinese readers most often put in the same booklists as Undertale: The Hardest Perfect Ending to Achieve, best match first.
- 151 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. 181Reads6.5Score1814d adds
- 152 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—14d adds
- 153 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 213Reads6.6Score10914d adds
- 154 Zenless Zone Zero: Where Did This Custard Tart Come From? 绝区零:哪来的酥皮蛋挞? I wake up and find myself in Zenless Zone Zero? But I'm a crispy tart. Sans: “Bro, where the heck did you bring me? Is this still the Underground?” Ethereals: “Don't come any closer!” 389Reads—Score—14d adds
- 155 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 19Reads—Score214d adds
- 156 UT: From Minecraft to Undertale UT:从我的世界到传说之下 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.) 62Reads—Score1714d adds
- 157 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—14d adds
- 158 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 208Reads6.6Score—14d adds
- 159 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! 58Reads—Score1214d adds
- 160 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—14d adds
- 161 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 322Reads8.6Score—14d adds
- 162 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—14d adds
- 163 Clearing Genshin Impact in the Style of UT 以UT的形式通关原神 I’m Yi Yang, an ordinary person with a somewhat complicated past… or no, I should call myself a “Fusion Monster” now, one of those from the True Lab. Please don’t mind my appearance too much. I’m a pacifist, and I just want to make a few positive changes in my spare time. But things haven’t gone quite according to plan… First, not being able to communicate with people from a world where “monsters” exist is pretty rough. And secondly… I don’t remember agreeing to let you freeload on my soul and b 41Reads6.5Score—14d adds
- 164 Aspiring to Become... a Steamed Bun Spirit? 憧憬成为,馒头精? A crossover fanfiction between Looking Up to Magical Girls and Undertale, written by a fan of both. If you can, I recommend getting familiar with both original works first, just in case you have trouble following the plot (*´ω`*). To avoid conflicts with the original works’ settings, this book’s world always follows the setting from the latest manga chapter available, Chapter 58. (Note: The book includes some elements from a certain game that’s been going from strength to strength.) 210Reads8.0Score3614d adds
- 165 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 2.4kReads8.9Score30414d adds
- 166 Honkai Impact 3rd: Herrscher of Bone 崩坏三,骨之律者 Also known as I, the Judgment of Collapse. This is very much a slice-of-life story, with possibly no angst, and either no heroine or a harem. The author aims to create a complete world where even supporting characters have names of their own, even if they only appear briefly. The story is mostly told in the third person. Harem or single male lead, with angst in the middle and later parts. 39Reads—Score—14d adds
- 167 Beneath Omega 欧米茄之下 I hope you'll stick around for the later chapters, because the early part isn't very good. Beneath Omega is an Undertale AU I came up with on a whim. To write it well, I drew inspiration from all kinds of games, anime, AUs, and even memes, weaving those wild ideas into a plot that might actually make sense. 2Reads—Score—14d adds
- 168 Bocchi the Rock!: Rocking No Longer Alone 孤独摇滚:不再【孤独】的摇滚 [Bocchi the Rock! AU] [Single female lead] [Lighthearted daily life] [Obsessive and unhinged] [Pure romance] Gotoh Hitori is the sole female lead, and for various reasons there’s a love triangle? (You’ll find out later.) This story involves parallel worlds. If anything is unclear, I’ll answer questions as long as doing so doesn’t spoil the story. This is a story about a love-starved, lonely madwoman who gives a lonely girl her unconditional devotion. Loneliness is one person’s feast, one person’ 9Reads—Score—14d adds
- 169 Legends of Teyvat 提瓦特传说 This is a brand-new adventure, and this time, the players won't be the ones fighting. The player is the source of all the trouble. He brought this world into being, and now everyone hates him for it. Only the player likes the genocide route. By chance, Sans and many other monsters severed the connection between the player and Firsk. But the world had already fallen apart, so they had no choice but to head to another world and start a new life... But the player isn't going to play just one game. 6Reads—Score—14d adds
- 170 Undertale: Becoming a God Starting with the Alpha Tale 传说之下:从阿尔法传说开始超神 This book contains a lot of fanfiction elements. If you can’t follow them, take a look at the setting guide. Mo Chen, a genius game designer, transmigrates into the world of Undertale, only to discover that his original self is the heir to Koav’s alternate universe. Mo Chen had planned to take it easy, but then another version of himself from the Godverse appeared out of nowhere and challenged him to a showdown. The winner would get to manage both the Godverse and the alternate universe. Then, f 72Reads—Score—14d adds
- 171 Beneath the Neon: From the Start, I Stumbled Into a Legendary Hidden Dungeon 霓虹之下:开局误入传说隐藏副本 “No female lead” “Infinite flow” “Game-like” “Dominating this world” “Rapid leveling” … Chen Hao stood at the very top of the Pearl Tower in Haidong City, the evening wind chilling his hands and feet. His face was expressionless, his thoughts far from himself. “Maybe this world doesn't need me…” He looked down. Through the glass, he could see neon lights covering the city, yet they never managed to illuminate its corners. Just moments ago, he'd been fired by a heartless company and dumped by his —Reads—Score—14d adds
- 172 Undertale: About Becoming My Own Original Character 传说之下:关于穿成我的自设这事 (If you haven’t read the blurb, I recommend reading it first.) Getting hit by a truck and transmigrating is understandable, but why a plane? And why have I transmigrated into my own original character, with humans right in front of me? The judgment begins now. How am I supposed to fight this? But there’s a System? This is going to be fun! Humans, Frisk. Anyone else? Can I even turn myself into a game? But… this doesn’t seem so simple. As long as I’m having fun, that’s all that matters. A newbie’ 5Reads—Score—14d adds
- 173 Legend of the Origin Reversal 逆源传说 An Undertale fanfic. Feel free to give it a look. I don't even know if I'll be able to finish it. (P.S. If you have any ideas or want to help come up with names, feel free to comment. I'm terrible at naming things.) —Reads—Score—14d adds
- 174 Chara: A Glitch in the Undertale Timeline chara传说之下错乱时间线 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—14d adds
- 175 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—14d adds
- 176 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—14d adds
- 177 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 263Reads8.7Score—14d adds
- 178 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—14d adds
- 179 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) 807Reads7.3Score10314d adds
- 180 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... 190Reads7.1Score—14d adds
- 181 Undertale: A World Gone Wrong 传说之下,错误的世界 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—14d adds
- 182 My Little Pony: Sans’s Wonderful Adventure 小马宝莉:sans的奇妙冒险 [Undertale] [My Little Pony] [Almost Invincible] [Features fan-made AU Sans] [Cameos] Sans transmigrates to Equestria?! Sans: “I'm not good at much. I'm just a lazy skeleton.” Sans: “What? The Changelings kidnapped the Mane Six? Discord! March with me!” Sans: “Huh? A worm virus? Doctor, lend me your TARDIS!” Sans: “The Dark Mane Six? I have to stop them to keep the ponies safe!” Error, Nightmare, whatever! Purify them all! Queen Chrysalis? We'll teach her to understand love and learn the magic o 109Reads—Score1414d adds
- 183 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 204Reads8.6Score2814d adds
- 184 Honkai: Star Rail: How Is This Skeleton So Strong? 星铁:这个骨头架子怎么这么强 “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 729Reads6.6Score10414d adds
- 185 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—14d adds
- 186 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 1.3kReads8.9Score12914d adds
- 187 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 1.9kReads8.7Score10714d adds
- 188 Beast Taming: Together with My Bone Brothers 御兽:和骨兄弟一起 [UT + Sans + Papyrus + All UT Characters + AU + Legally Cat-Eared Shota + Beast Taming + Everyday Life + All Original Undertale Characters] Mostly sweet, with a little angst. A complicated mix. No female lead doesn’t mean no CP, right? The CP in this book is Lin He and Chara (“split self”). This book is mostly everyday life, though things get crazy sometimes. Lin He was an ordinary high school student. While playing an Undertale fan game, his keyboard started malfunctioning, his blood pres 91Reads—Score—14d adds
- 189 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 201Reads7.1Score1914d adds
- 190 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. 25Reads—Score—14d adds
- 191 I Suddenly Got a Second System of My Own 突然多了个自己的系统二 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—14d adds
- 192 The Sealed Mountain, A Chant of Sorrow 尘封之山,哀声之诵 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... 23Reads—Score414d adds
- 193 Undertale (Complete) 传说之下(完整) (I’m assuming “Lin Lü” is a name. I’ll do my best to recreate the content of Undertale, and I hope readers will support me.) A human named “Lin Lü” falls from a cave on Mount EBOTT and accidentally wanders into the Underground; The Underground is a place inhabited by monsters... But the monsters there aren’t entirely evil; They might become friends because of the human... Or they might become enemies because of the human... The fate of the Underground depends on this human’s good and evil... 18Reads—Score—14d adds
- 194 Everything Began with a Mistake, but When Will It End? 一切从差错开始,又到何时结束? After everything went wrong for the protagonist, he transmigrated to Error Tale, but he didn’t fully merge with the body. His negligence led to everyone in his world perishing, so he decided to travel to other worlds and help the skeletons who were suffering. 26Reads—Score—14d adds
- 195 Minecraft: Starting as an Undertale Judge 我的世界:从传说之下审判官开始 "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? 72Reads—Score1414d adds
- 196 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—14d adds
- 197 Undertale: Sans's Revenge 传说之下:sans的复仇 The author writes this in a pretty messed-up way, so read at your own risk. Frisk massacres Sans again and again, and Sans dies over and over. Then, one time, Sans suddenly remembers the moment he and his friends were killed. It’s time to settle this, Frisk! 13Reads—Score—14d adds
- 198 Honkai: Star Rail: Sans Soul System 星铁:sans灵魂系统 “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.) 58Reads—Score—14d adds
- 199 EN Undertale: I Forge the Perfect Ending! 传说之下:我!完美结局铸造者! (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 279Reads8.7Score—14d adds
- 200 Genshin Impact: Liyue’s Skeleton Judge 原神:璃月的骷髅审判官 [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—Score13614d adds

















































