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Umamusume: Pretty Derby - Beginning of a New Era - Anime poster
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Agnes Tachyon portrait

Agnes Tachyon

アグネスタキオン

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Agnes Tachyon is widely considered one of the smartest Uma Musume, girl athletes modeled on real racehorses, to ever study at Tracen Academy. She treats racing almost like a science experiment, chasing one single question: just how fast can a runner go? Because she has never once pushed herself to her true limit in an official race, nobody, not even her own trainer, actually knows how good she could be if she ever let herself go all out.

Off the track, Agnes comes across as logical and endlessly curious, but also more than a little eccentric. She studies her own running style the way a scientist studies an experiment, and she can be demanding toward anyone trying to coach her, since she expects everyone around her to keep up with her theories. Despite that intensity, she is not unkind; she actually has a playful, cheerful side, and she keeps her mind sharp with an enormous sweet tooth, snacking on sugary treats constantly to fuel her nonstop thinking.

Agnes plays a central part in the story Beginning of a New Era, where her drive to test the limits of speed puts her in direct competition with Jungle Pocket, whose more straightforward approach to racing clashes with her experimental one. Through that rivalry, Agnes pushes both herself and the people around her to question what a runner's true potential really looks like, treating every race less like a contest to win and more like one more fascinating piece of data to collect.

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Umamusume: Pretty Derby - Beginning of a New Era poster

Umamusume: Pretty Derby - Beginning of a New Era

Main Role2024Movie1 episode8.70
DramaSlice of LifePsychologicalSports

Umamusume: Pretty Derby is a big Japanese franchise of games and anime in which famous real racehorses are reborn as girls with horse ears and tails. They race on tracks, train at school, and even sing on stage after a win. Beginning of a New Era is the first feature film in the series. It opened in Japan on May 24, 2024, and runs 108 minutes. Ken Yamamoto directed it at CygamesPictures, Kiyoko Yoshimura wrote the script, and Toho handled its release in Japan. Like the rest of the franchise, the film is loosely based on real horse racing. Its story draws on the Japanese classic races of 2001 and the horses who ran in them. Fans of real racing can spot many true events, but the movie still works for people who know nothing about horses. The main character is Jungle Pocket, called Pokke by her friends. She is a wild, cocky girl who races in street-style events outside the official system. Then she sees Fuji Kiseki win a big official race, and the sight changes her life. She decides she must race in the Twinkle Series, the top racing league in this world. She joins Tracen Academy, the school where these racers train, and gets on Fuji Kiseki's team under the veteran trainer Tanabe. Pokke soon learns that her generation is full of strong runners. Agnes Tachyon is an odd genius who treats her own body like a science project and wants to find the true limit of an Umamusume's speed. She beats Pokke early in a big race, and Pokke names her as her rival. Manhattan Cafe is a quiet girl who seems to chase a shadow, a "friend" no one else can see. Dantsu Flame is a hard worker who never lets up. Their main target is the Triple Crown, three famous races that a runner can try only once in her life. The movie is a sports drama at heart. It is about hunger to win, the fear of falling behind, and what it costs to push your body and spirit past their limits. The races are the big draw, with fast camera moves, loud crowds, and long, tense final stretches. The film also has quiet scenes about the bond between a racer and her trainer. It did well with both fans and critics. It opened at number one in money earned in Japan and made about 1.4 billion yen there. It later came to North America in February 2026. Anime News Network and The A.V. Club both gave it a B+. Critics liked the deep look at Pokke and Agnes Tachyon, though some felt the other two rivals got less time.

Cast

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1 actor
Sumire Uesaka voice actor portrait
🇯🇵

Sumire Uesaka

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