The Umaverse
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Listing Series
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Tachyonium by RanaDelRay
Fandoms: Umamusume: Pretty Derby – Beginning of a New Era, ウマ娘 | Uma Musume - All Media Types, ウマ娘 プリティーダービー | Uma Musume: Pretty Derby (Video Game)
20 Mar 2026
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Summary
Tachyonium is a long story told in many bite-sized chunks about two Umamusume falling in love and finding the answer to their life's troubles in each other's comfort, company, and affection. Set following the fateful 2001 Japan Cup, and the weeks and months following, we see how Agnes Tachyon deals with complicated emotions and feelings as Jungle Pocket promises to help her race again and the two bond over the next eventful year, each learning that they both actually have a lot more in common than they originally thought, and possibly much more...
Will Agnes Tachyon's scientific-minded resolve give way to complicated emotion? Will Jungle Pocket's intuition and instinct fall to reason and logic?
Or will they realize that they just might complete each other?Series
- Part 1 of The Umaverse
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The Supreme Commander of Japan by RanaDelRay
Fandoms: ウマ娘 | Uma Musume - All Media Types, 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)
28 Aug 2026
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Summary
This fic reimagines the first season of Umamusume Pretty Derby, showing an alternate timeline from a single divergence: Special Week actually does what she was supposed to do, and that is to be on time for her first day.
Special Week reaches Tracen Academy as planned, never having witnessed Silence Suzuka’s race at the Tokyo racecourse.
...I wonder what could happen...
...only one way to find out~
Series
- Part 2 of The Umaverse
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Mayano Top Gun & The URA Finale by Crasian, RanaDelRay
Fandoms: ウマ娘 | Uma Musume - All Media Types, 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)
22 Aug 2026
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Summary
It was supposed to be just an ordinary trainee scouting: sensible and measured.
Nothing about Mayano Top Gun was sensible or measured.Trainer Kairin takes on the task of mentoring Mayano Top Gun through the URA’s Twinkle Series, as the URA Finale: a brand-new race that will forever cement its very first victor in legend looms on the horizon.
Mayano Top Gun is analytical, intuitive, and full of energy, yet she does not find success as easy or attainable as she had hoped. Only with the help of her Trainer, and the many rivalries she forms along the way, will she learn what it truly means to twinkle.
This story, based on the Umamusume: Pretty Derby URA Finale scenario, has been reimagined to follow the real-life racing career of Mayano Top Gun, with all of its triumphs and hardships. This true story has been lovingly crafted into an exciting sports drama full of comedy, harsh defeats, introspection, long training sessions, forced dates, hard-won victories, and perhaps something even more.
The runway ahead is clear, and takeoff is a go~☆
Series
- Part 3 of The Umaverse