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Umamusume: American Trainer’s Journey - Biwa Hayahide by Gaijin_Trainer
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game)
24 Nov 2025
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Mark Langsby never intended to become an umamusume trainer.
But now that he has settled into this fateful role, he is on the hunt for aspirants to train and raise to help fulfill his master's wishes.
In this edition, Langsby-san scouts out who he later dubs as "The White Lion." Biwa Hayahide is an intellectually talented umamusume who's beauty matches her brilliance. Able to formulate a plan for every race, she can predict every outcome with extreme accuracy. However, there is only one variable she struggles with: Narita, "The Beast", Brian - her sister.
How will the trainer help overcome Hayahide's flaws in her "winning equation" in a fierce war between instincts and intellect?Series
- Part 2 of Umamusume: American Trainer's Journey
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Uma Musume: Zero Velocity by Zynathan65
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime), ウマ娘 シンデレラグレイ | Uma Musume: Cinderella Gray (Anime)
24 Nov 2025
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Something's wrong.
Agnes Tachyon may have found something interesting.
Manhattan Cafe may have been thinking too deeply.
And Symboli Rudolf might find something more than she expected. -
Umamusume: Chasing That Horizon! by TombstoneTTromboners
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game), ウマ娘 シンデレラグレイ | Uma Musume: Cinderella Gray (Anime)
24 Nov 2025
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Yumiko Muramoto — former high school track star, now 37-year old Umamusume trainer — has spent the past decade as the personal trainer to Mejiro McQueen throughout her childhood. When she’s accepted into Tracen Academy, Yumiko follows and takes a job as a faculty trainer at the school, forming Team Polaris with McQueen, Special Week, and Silence Suzuka. Of course, her job soon expands from just being a trainer, as she helps them as they take their first steps into growing up and finding love…and maybe even rediscovering it herself when she meets and starts to fall for Tazuna Hayakawa, secretary to the academy’s director…and someone Yumiko can swear she recognizes.
(11/10/2025: we're back for another set of
tenELEVEN chapters! Once again, updating every other day until this batch is out.) -
¿Could our memories ¡Please! Stay gold? by TheLuckyJeff
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime)
24 Nov 2025
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Historia basada en el universo de Uma Musume. Gira alrededor de Staygold y de las relaciones de esta, principalmente con su entrenador y sus esposas irl.
- Language:
- Español
- Words:
- 23
- Chapters:
- 1/?
- Kudos:
- 2
- Hits:
- 55
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Silent Sonata by penned_with_intent
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game)
24 Nov 2025
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Kurogane Daishi thought he’d finally carved his own path as a trainer at Tracen Academy—until the team he built from nothing abandoned him overnight. Broken and questioning everything he’s worked for, Daishi’s fall from grace becomes something far more literal… and transformative. Inspired by Yunyanko's "The Story of a Trainer Who Has Ended Up Becoming an Uma Musume in a What-If Scenario".
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Bite My (Golds)Hip by RamafiedJudgementKazzy88
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game)
23 Nov 2025
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Odaxelagnia-n.-A paraphilia in which biting or being bitten leads to sexual arousal.
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Happiest Day by KilleR_of_the_Aegis
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime)
23 Nov 2025
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Manhattan Cafe goes on a Da- Outing with her Trainer, but the day has been weird, not many people out and about, and her phone hasn't had service all day long, weirdest of all... her Trainer is awfully quiet today.
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Agnes Tachyon investigates a rumour about a human turned Umamusume.
Series
- Part 1 of Science and Heart
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for yours is a long road, my friend by reshichu
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game)
23 Nov 2025
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the traveller is always returning. one who does not is no traveller.
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Umamusume: Distortion Derby by NotToYu
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game), Limbus Company (Video Game)
23 Nov 2025
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What if Nice Nature hears Carmen's voice and distorts during Arima Kinen
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Umamusume. They are born to run. They inherit otherworldly names, and are inspired by dreams most dramatic and wonderful. Now, they run ever forward. That, is their destiny.
A cruel fate, is it not?
Living a destiny predetermined by birth, chasing after a goal that could only be reached by trampling on others’ dreams… It’s not too different from the City, in a way.
If you can hear me, if my words could reach your heart, please tell me.
What is the shape that your heart desires?
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Teio's Longest Race by An_Iris_In_The_Dark
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime)
23 Nov 2025
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Hospitals are really lonely. But what are "rivals" for?
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Uma Musume: Re\driver by CrazyMouseW2
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime)
23 Nov 2025
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Many Horse Girls had dreams on climbing to the top of a stage. But not all are lucky, some quit as they tried it for the first time.
In this particular era. A certain horse girl had been born for pure blood racing. She is the one who would change both worlds of Motor Racing and Horse Girl Running.
This certain legend that would not certainly come again in the future. Because, only one would be chosen and risen above the ashes.
Series
- Part 1 of PROJECT Uma Musume: Race Driver
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Umamusume: American Trainer’s Journey - Agnes Tachyon by Gaijin_Trainer
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game)
23 Nov 2025
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Summary
Mark Langsby never intended to become an umamusume trainer.
But now that he has settled into this fateful role, he is on the hunt for aspirants to train and raise to help fulfill his master's wishes.
In this edition, fate has brought Langsby-san into the clutches of the mad scientist: Agnes Tachyon. After getting knocked on his butt cold by the speedy Umamusume, she takes responsibility to nurse him back to health... before attempting to drug him with homebrewed medicines.Despite her eccentric and... arguably dangerous nature, there is something hidden within her that Langsby-san cannot quite point out.
As for Tachyon-chan, she finds great amusement in the worldly experience her captive shared, surprised at the tidbits of obscure science knowledge he happens to have garnered over his forty years of life.
Series
- Part 3 of Umamusume: American Trainer's Journey
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Heavy Is the Crown by SaphiraWritesometimes
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game)
23 Nov 2025
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Summary
After falling asleep in her office by accident, trainer Rosalyn discovers a deep secret hidden by the assistant of Tracen Academy. And learns just what lead to her employment there.
Series
- Part 2 of Trainer Rosalyn's adventures
- Language:
- English
- Words:
- 873
- Chapters:
- 1/?
- Kudos:
- 4
- Hits:
- 85
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The Measure of Her Reach by Amagi_Reiko
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime)
23 Nov 2025
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The 'Last Run' of every umamusume is tied to the ultimate finish of the long-dream of being a renowned umamusume - 「有終の美を飾る」- to end their career/final task with a flourish, and in this case to have their retirement race, which is commonly the Arima Kinen, a G1 race, be their final win. The unpredictable and unsinkable Gold Ship saw a sharp decline in her career in 2015, with Tenno Sho Spring being her latest G1 win that year, and her sixth crown. The Arima Kinen of this year would be Gold Ship's fourth and final one, as her career has finally come to a close...
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Birthday Present by FallTazu
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime)
23 Nov 2025
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It's your birthday. It's not something you'd be excited about, nor you wish someone would actually remember it. But to your suprise, Dream Journey actually remember your birthday, she gave you gifts and cake. But something is a bit off on your birthday today, something about her, that you've long felt it since the very first day she became your trainee. Nonetheless, you are happy in your birthday, thanks to her.
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Marking by What_The_Yuri
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Anime), ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game)
22 Nov 2025
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In this world, at a certain age, every uma musume will form a bond with the person they wish to spend their life with - their partner.
The way to seal this bond is by biting the nape of their partner’s neck. Once the ritual is complete, the bite mark won’t fade away easily.
Over the years, countless people have proposed to pair with Dia, but all were turned down. Though the elders of the Satono family long to select the most promising candidate for her, they respect her wishes. In the end, the choice of her future partner rests entirely with Dia.
She is deeply grateful that her family has never forced her to bond with a stranger. And yet, within her heart lies a crushing guilt.
A secret she cannot tell anyone.
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Alia leans in slightly, testing the waters. When Fuji’s breath hitches, Alia can feel it on her face but Fuji doesn’t pull away. She feels a pang in her chest and smiles.
“At what point,” she murmurs, breath ghosting over Fuji’s lips, “is it not a joke anymore, Fuji?”
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A Collection of Short Romance Stories with Agnes Tachyon and Jungle Pocket, set following the fateful 2001 Japan Cup, and the weeks and months following. I'll add many, many chapters, so just take each one as a small glimpse into a slow-growing relationship of two Umamusume and their journey of self-discovery and emotional bonding.
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Crime and Umanishment by TheForest45
Fandoms: ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game)
22 Nov 2025
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Summary
The Trainer has had enough of his trainee's crimes, and thus decides to do something about it.
With a long chat, of course.