1 - 20 of 139 Bookmarks by TZWriter
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Sans has a crush on Red (Underfell Sans) but Red is dating Blue (Underswap Sans) so Sans convinces himself it's hopeless.
Red and Blue both have crushes on Sans and want him to join their selfcestual relationship but he is being really obtuse about it.
Bookmarked by TZWriter
05 Feb 2026
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A bitty adoption request fic for For that-teen2003.tumblr.com
Life's going well, but keeping a restaurant running can be a stressful job sometimes!
Maybe you're not the only one who could do with some help, when it's a hard life for a gentle bitty.
Bookmarked by TZWriter
29 Nov 2025
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Anime is real, right? Well, it would be nice if it were. It would be nice if crushing anxiety weren't a thing either. But luckily, you've met some nice friends in college. Friends to hang out with and watch anime. Another friend who tells awful jokes. A cool friend who you definitely don't have a crush on or anything... B... Baka!
- Language:
- English
- Words:
- 88,803
- Chapters:
- 32/32
- Comments:
- 760
- Kudos:
- 1,064
- Bookmarks:
- 147
- Hits:
- 17,944
Bookmarked by TZWriter
22 Sep 2025
Bookmarker's Notes
So lovely from the beginning to the end!!!! You are an amazing writer!!!
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Humans are weird and are never satisfied with what they already have. They have to alter everything around them to make their own lives more convenient. Including other lifeforms.
For example, people tampered with genetics to make fish that glow in the dark. Why? For no other reason than they thought they would make radical pets.
As technology advanced, people moved from tampering with simple genetics to tampering with soul energy itself. Thus, Bitties were created: Tiny skeleton creatures powered by soul energy. And of course, almost immediately, they too were patented and sold as “pets.” But being simple things made only of bones and souls, could they really be considered alive? What does it even mean to be alive? What is a soul?
You really didn’t want to think about such headache-inducing existential questions. All you wanted to do was earn enough to go to school, get your veterinary technician license, and live a simple and happy existence. But life had other plans for you in the form of an angry little creature staring you down from the confines of a jar. What the hell?
- Language:
- English
- Words:
- 90,971
- Chapters:
- 50/50
- Comments:
- 2,668
- Kudos:
- 4,080
- Bookmarks:
- 594
- Hits:
- 60,140
Bookmarked by TZWriter
19 Sep 2025
Bookmarker's Notes
THIS WAS SO GOOD! I neve read a fic that made me so angry at the protagonists, made me want to slap them almost every freaking chapter and, yet, didn't let me stop reading because IT WAS SO GOOD!!!
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One Bittybone At A Time by LeenaZenyo
Fandoms: Undertale (Video Game), Alternate Universe - Bittybones - Fandom
14 May 2019
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You didn't want a bitty. Not after what you've seen. You're absolutely horrified of them, but in a single moment you change your mind.
You want to protect them, you always have.
And this time, you're going to.Life of a Reader who adopts Cherry.
AU by http://bittybones-au.tumblr.com/
- Language:
- English
- Words:
- 44,875
- Chapters:
- 18/?
- Comments:
- 741
- Kudos:
- 1,774
- Bookmarks:
- 288
- Hits:
- 21,138
Bookmarked by TZWriter
17 Sep 2025
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She was broken. He was sharp. She was sweet. He was crude. She needed him. She needed someone to be there and keep those who had hurt her away. He was scary, he could protect her. Instead of soft and gentle, she chose mean and spiteful. She needed a companion. Someone to be there and keep her safe. To help her heal. To help her get better. She needed a friend. No one understood it. He questioned it. She simply smiled. He was her companion. He was her friend. He was her guardian. He would protect her. Of this, she was certain.
Bookmarked by TZWriter
07 Sep 2025
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For Monszster tumblr.com/monzterr : A random Undertale Bitty encounter request from my Tumblr!
And for anyone who might enjoy the fic ^_^
This was going to be a much shorter story! The college was meant to be like; “They all like dressing up here” but I got carried away trying to figure out why. (Not part of the same universe as 3rd House.)
Bookmarked by TZWriter
06 Sep 2025
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i've been through hell and come out singing by avosettas for DebonaireFrogs
Fandoms: Undertale (Video Game)
08 Mar 2024
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Dream is very, very patiently waiting for his new bitty to leave his carrier.
...It's been three days.
Bookmarked by TZWriter
03 Sep 2025
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A little Edgy bitty comes into your life in the giftmas season, choosing you to plague.
He's worse for wear, wont let you near him, and seems to only want to steal your stuff.
He wasn't always this way though...
A Bitty assigned to you request, for Micespaceart/several-things on Tumblr
This has turned into a 2-parter, by the way!
Bookmarked by TZWriter
30 Aug 2025
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Love Language by madam_mess
Fandoms: 僕のヒーローアカデミア | Boku no Hero Academia | My Hero Academia
16 Jul 2019
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Words of Affirmations, Physical Touch, Receiving Gifts, Quality Time, Acts of Service. Fumikage and Mezo do not always speak the same love language. Not everyone does. Tokoyami is not good with physical affection while Shouji is not good with words. Yet somehow they met in the middle.
Five one-shots depicting Fumikage and Mezo's relationship corresponding with the five love languages.
Bookmarked by TZWriter
17 Aug 2025
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Cross makes a stupid Decision and is kidnapped by a Pair of special Underfell Brothers.
Will his Family come to the Rescue? Do they even care?Series
- Part 3 of Nightmare's Clan
Bookmarked by TZWriter
08 Aug 2025
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Following the events of Chapter 4, Kris sneaks away from the SOUL, stumbling into Castle Town. There they discover Ralsei, alone in his room. And for once, Kris would be the one to take care of him.
Bookmarked by TZWriter
15 Jun 2025
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UT Sans, UF Sans and US Papyrus have the house to them selves and decide to have a Poker night, and well that's fun and all, Stretch(US Papyrus) thinks he has a way to make this night even more enjoyable.
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Nightmare is looking for an elusive creature, but what he doesn't know, is he's the one being watched.
Bookmarked by TZWriter
10 Jun 2025
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Blue has recently begun traveling with his friends in their newly formed group; The Star Sanses. Blue had heard stories from Ink and Dream (mainly Ink) about the cruel, multiversal destructor that was Error. Blue has always taken the threat of such a monster very seriously.
However, when he first comes face-to-face with the destroyer, he notices something the others have perhaps overlooked. His behaviour was over the top and certainly dangerous, but... it seemed a little lackluster for a supposed heartless villain.
https://www.tiktok.com/@rameniselite/video/7259112769331465518
Now with a tiktok video???? Hello??
Series
- Part 2 of Things Dev Has Written Out of SPITE
Bookmarked by TZWriter
15 Apr 2025
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Rus is ready to take on a new responsibility, and that responsibility comes to him in the form of his new pup, Blue.
Bookmarked by TZWriter
13 Apr 2025
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"Edge was hunched in on himself, chin and shoulders tucked almost protectively. He looked defeated. Broken. Paps had seen the look often enough in the mirror that he really should have recognized it in another version of himself. There was more there, though. Fury under the fear, and a seed of determination that Paps lacked—determination, he realized, that would allow this version of himself to do terrible things in the name of survival."
In which UF!Papyrus is gravely injured, and UF!Sans brings him to Underswap to recover. UF!Papyrus doesn't know how to handle genuine kindness, and US!Papyrus learns there's more to this other version of himself than he ever guessed.
Warning: while there is a lot of fluff and light-hearted moments, there are also moments of heavy angst and some disturbing implications and themes. Trigger warnings are located in the endnotes of relevant chapters.
Series
- Part 1 of Broken Bones Multiverse
- Language:
- English
- Words:
- 162,520
- Chapters:
- 31/31
- Collections:
- 1
- Comments:
- 1,715
- Kudos:
- 1,346
- Bookmarks:
- 226
- Hits:
- 34,717
Bookmarked by TZWriter
03 Apr 2025
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Nightmare hides a secret, but it gets harder to keep down with each time Dream calls her "Brother!"
How will it go? Who knows?Bookmarked by TZWriter
01 Apr 2025
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Sans knew in his soul that there was only one way he was now in another universe. Erasure was one thing a reset would fix, but corrupting and breaking it would be the only reason he was here now.
He had expected to overwhelmed in this world of 'kill or be killed' but it was this timeline's version of his brother and himself that had him stepping up. He was a 1 HP monster, physically weak but he did have one thing on his side in a world so filled with LOVE.
====================
Adaptation: Chapters 1 - 30
Harmonize: Chapters 31 - 42
Supremacy: Chapters 43 - 80
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Part One of the KR Trilogy.
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*This is my personal take on the Underfell AU. I hope you enjoy it as much as I am enjoying writing it! Please feel free to write or draw for this story, you don't need my permission for that.
Series
- Part 1 of KR Trilogy
- Language:
- English
- Words:
- 127,905
- Chapters:
- 81/81
- Comments:
- 4,118
- Kudos:
- 4,580
- Bookmarks:
- 549
- Hits:
- 119,776
Bookmarked by TZWriter
26 Mar 2025
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A story of two brothers, from youth through adulthood. Sans was so glad that he had heard that he had a brother, flinching as he fed magic directly into the tiny, barely glowing orange soul. The baby skeleton was staring up at his young face, emitting distressed whimpers at the pained expression that he couldn't help. Sans had almost been too late, ignoring his health gauge; which was dropping from 20 very quickly. Finally, when his vision was beginning to blur out, Papyrus let out a muffled wail into his shoulder as his soul stabilized.
"don't worry, papyrus. big brother has you." Sans whispered, his maximum health settling at one forever for his reckless move, "you won't be alone anymore, i will take care of you."
- Language:
- English
- Words:
- 27,261
- Chapters:
- 16/16
- Comments:
- 333
- Kudos:
- 1,017
- Bookmarks:
- 131
- Hits:
- 13,448
Bookmarked by TZWriter
22 Mar 2025