Umamusume: Cinderella Gray

Nestled in the sleepy countryside lies Kasamatsu Tracen Academy. Jo Kitahara, a trainer, cant help but bemoan the state of regional races compared to the star-studded national scene. But one day, as he passively watches the newest batch of racers practice, he spots an ashen-haired Umamusume. After seeing her stunning racing form, Jo Kitahara is convinced—at long last, hes found a star.

Up until now, Oguri Cap has simply run because she can, but after her heated race with Fujimasa March, her heart wells with a new, bitter emotion. As Oguri Cap and her team ensure shes properly prepared for her next race, another opponent shows her face: Norn Ace. Annoyed by Oguri Cap, Norn Aces friends propose a certain "strategy" to her...

Oguri Cap and the rest of her team make their way to Chukyo Racecourse for the Chukyo Hai, but Kitahara cant shake Musakas ominous words from his mind. Brows furrowed, he heads for the stands, only to discover Symboli Rudolf and Maruzensky have come to observe the race.

Musaka gives Tracen Academys two newest students—Oguri Cap and Belno Light—a tour of the expansive campus. Afterwards, Oguri Cap comes face to face with her new classmates—and potential rivals. As class begins, the teacher explains the goal of many of her contemporaries, the G1 Classic Triple Crown. Theres just one problem...

Symboli Rudolf witnesses Oguri Caps might firsthand—the no-name racer from the boonies wipes the floor with even the strong national racers. In her, Symboli Rudolf sees a star capable of setting the Twinkle Series alight. But should she use her authority to advocate for a miracle at the Japan Derby, or should she remain loyal to the rules?

Musaka declares that if Oguri Cap wants to take on Tamamo Cross in the fall Tenno Sho, she has to win the Mainichi Okan. A task easier said than done, as Oguri Caps winning streak means all her rivals eyes are on her. This years Mainichi Okan is shaping up to be a ten-versus-one race...

The crowd is on the edge of their seats as the racers enter the homestretch of the fall Tenno Sho. With 400 meters remaining, each runner musters the last of their strength. With Oguri Cap right on her tail, Tamamo Cross begins to feel the pressure. As exhaustion creeps in, her past flashes before her eyes. Her loved ones in her heart, Tamamo Cross breaks past her limits and enters a zone beyond her rivals...

There once was an earnest Umamusume who gave racing her all, but had nothing to show for it. Still, she craved victory more than any other, so one day, she made a choice. Shed bet everything on a single race across the Pacific. In order to win there, shed don the jokers mask and sacrifice everything—even herself—to become a true wild card.