18 Bookmarked Items in Trans Alphys (Undertale)
List of Bookmarks
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it's raining somewhere else (salphys t4t amicable exes) by bellepeper91, friskybitz99
Fandoms: Undertale (Video Game)
14 Jun 2025
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A collection of stories, either following a timeline or veering away from it.
Alphys and Sans worked together a long time ago. They even dated once, and were madly in love with each other. Then, they discovered important parts of their identity, and decided to break up so they could pursue their true selves. They're in the middle of wingman-ing each other when an incident happens, and they decide that, for the sake of their friendship, they need to part ways. They don't forget each other, though. The romantics may be gone, but there's a stronger kind of love in its place.
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Undyne and Alphys make out. Alphys chews on an idea.
For Day Three of Undyne Appreciation Week: Undyne's big, toothy smile.
Series
- Part 3 of Undyne Appreciation Week
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Sapphic September prompts! I promise these were all written in September, they're just going up in October because ~I don't have control of my life~
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Bookmark Notes:
Loved this! One of the first over 30k word fic I've read
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Alphys worships Undyne's body. Figuratively and literally.
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Undyne tries teaching Alphys how to use magic, and Alphys comes up with some new ways to use it.
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- Words:
- 177,596
- Works:
- 26
- Bookmarks:
- 31
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Alphys and Undyne are on a quest to the ruins.
The reward? That hot goat MILF dick.
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Mooktale is an AU that takes place in a dead timeline, untouchable by a "Player" presence. No humans fell past Chara, and the Golden Flower Experiment never took place. Instead, before his mysterious disappearance, W.D. Gaster created an experimental monster and implanted his own magic into them.
Now, the new Royal Scientists (plus an optimistic Assistant) must take care of this monster, in a world where memories are fickle and family is more than names.
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Fate/SOUL by Sorrel_Oake
Fandom: Fate/EXTRA, Fate/stay night & Related Fandoms, Sefer Yehudit | Book of Judith, The Wizard of Oz & Related Fandoms, Undertale (Video Game)
15 Jun 2023
- Words:
- 160,803
- Works:
- 4
- Bookmarks:
- 4
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Though It's Dark, Could My Tears Carve A Path? (and lead me right to your heart) by Sorrel_Oake
Fandoms: Undertale (Video Game), Fate/EXTRA, Fate/stay night & Related Fandoms, The Wizard of Oz & Related Fandoms
25 Feb 2023
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Part 3 of Fate/SOUL
In the Moon Cell Holy Grail War, Alphys summons Undyne, the legendary Spear of Justice from a bygone era. She'll have to learn the long forgotten monster magic that became the basis for humanity's holy grail wars quickly if she hopes to achieve her dreams and break the barrier.
Week 2: Border Alliance - Alphys makes the hardest choice she's ever made. Undyne searches for the way forward.
Series
- Part 3 of Fate/SOUL
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Lap of Luxury by yastaghr for freshywritescrap (freshiewrites)
Fandoms: Undertale (Video Game)
03 Sep 2022
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Swap Alphys has only ever been in love with two people, her Undyne and her Blue. When Undyne dies after Alphys takes the throne, Alphys seeks out Blue. Eventual Swap Salphyne.
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- Part 10 of Underswap #832
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Toriel gets up to some shenanigans with Alphys, then with Undyne, and then with both of them.
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A series of short stories about Undyne, strong warrior fish wife. Cherish this fish!
- Words:
- 15,681
- Works:
- 6
- Bookmarks:
- 6
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Abalon comes out as Alphys.
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Alphys is working overtime. A lot of overtime.
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Accidental Alphyne Aphrodisiac
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This is going to be Alphys' best! Mew Mew Kissy Cutie smut fic! Ever!
But maybe it's... a little too good...?
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Screaming 'Til the Morning Light by Sorrel_Oake
Fandoms: Undertale (Video Game), Fate/EXTRA, Fate/stay night & Related Fandoms, Sefer Yehudit | Book of Judith
14 Dec 2022
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Part 2 of Fate/SOUL
In the Moon Cell Holy Grail War, Alphys summons Undyne, the legendary Spear of Justice from a bygone era. She'll have to learn the long forgotten monster magic that became the basis for humanity's holy grail wars quickly if she hopes to achieve her dreams and break the barrier.
Week 1: Initiation - Alphys prepares for war more brutal than she's ever known. Undyne finds her footing as a Heroic Spirit, something she's only dreamed of.
Series
- Part 2 of Fate/SOUL
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Undyne takes Alphys on a very steamy date.