Umamusume: Pretty Derby – Beginning of a New Era

Jungle Pocket travels with her friends to the racetrack and witnesses Fuji Kiseki triumph in a race. The display of speed and skill fuels her determination to become a Twinkle Series racer. This moment sets her on a path of training and competition, starting with enrollment at Tracen Academy.

Impressed by the sport, Jungle Pocket enrolls at Tracen Academy to learn racing fundamentals and discipline. She joins Fuji Kiseki's team under trainer Tanabe, beginning a rigorous training regime. This marks the start of her formal pursuit of the Twinkle Series.

Jungle Pocket wins her opening rounds in the preliminary races, proving her potential. Her performance earns her a place in the high-profile Hopeful Stakes. The success fuels her confidence and motivates continued hard training.

During Jungle Pocket's entry to the racetrack, she meets the eccentric Agnes Tachyon, sparking a consequential rivalry. Agnes exudes confidence and curiosity, watching Jungle Pocket with a calculating eye. The encounter foreshadows the battles that will come between them.

Jungle Pocket enters the Hopeful Stakes with high hopes, but Agnes Tachyon delivers an upset and defeats her. The loss shakes her confidence but also sharpens her resolve to train harder. She begins to see Agnes Tachyon as her rival to beat.

Between the loss and watching the undefeated T. M. Opera O win the Arima Kinen, Jungle Pocket resolves to raise her game. The performance of Opera O serves as a benchmark for what she must overcome. She commits to stronger training and a more focused strategy.

Jungle Pocket directly challenges Agnes Tachyon, declaring her rival, as they become acquainted with Dantsu Flame and Manhattan Cafe. The rivalry intensifies as each race becomes a test of limits. She welcomes their company as she trains and plans her next moves.

Agnes Tachyon slyly accepts the challenge and maintains a watchful eye over Jungle Pocket's progression. She wins her next race against Manhattan Cafe, signaling her continued edge in competition. Jungle Pocket's resolve hardens as she studies Tachyon's approach.

Fuji Kiseki announces her forced retirement before the Japanese Derby due to a leg injury, expressing hope that Jungle Pocket will win to fulfill Tanabe's Derby training dream. Jungle Pocket carries this promise as a personal motivation. The team sees the Derby as a turning point in their ambitions.

In the Satsuki Shō rematch, Jungle Pocket faces Agnes Tachyon once again but is soundly beaten. The defeat tests her confidence and deepens the rivalry. Tachyon's lingering presence continues to push Jungle Pocket toward greater effort.

Agnes Tachyon declares an indefinite hiatus from the Twinkle Series, leaving Jungle Pocket frustrated and confused about their rivalry. Jungle Pocket confronts Tachyon about stepping away, while Tachyon reveals a growing interest in research over racing. The exchange leaves both curious about future outcomes.

Tanabe mentors Jungle Pocket through renewed training, and Jungle Pocket duels Agnes Tachyon alongside rivals Dantsu Flame and Manhattan Cafe in the Japanese Derby. Jungle Pocket wins the race, fulfilling Fuji Kiseki and Tanabe's promise. Tachyon watches and contemplates the impact of their rivalry on her own path.

Despite the Derby victory, Jungle Pocket succumbs to doubt and loses the Kikuka-shō to Manhattan Cafe. Fuji Kiseki consoles her and challenges her to prove herself again, reminding her of why she started racing. Jungle Pocket resolves to push beyond her limits despite the setback.

At the Japan Cup, Jungle Pocket overcomes self-doubt in the final stretch and defeats T. M. Opera O. The win validates her hard work and signals a new level of confidence. Agnes Tachyon witnesses her drive and is inspired to end her hiatus.

In a future race, Jungle Pocket and Agnes Tachyon finally have a high-stakes rematch with Dantsu Flame and Manhattan Cafe watching. The four runners come together for a Winning Live Concert that celebrates their rivalry and shared respect for competition. The moment marks the culmination of their journeys and a new chapter for all.