That day, Wada Ryuji, Ikezoe Kenichi, who had traveled to the world of Umamusume for some time, and the younger Mr. Imami Ryuri gathered again to discuss their discoveries over the past few days. Wada Ryuji: I'm not sure if you will believe this, but I found Hao Opera in Tresen Academy. But she has changed so much that I don't recognize her. In my impression, even if she became a horse girl, she wouldn't have such a personality. Ikezoe Kenichi: Don't mention it, just be happy. I also met the Golden Master and the East Business Reform. The president even asked me to be their trainer. I'm going to suffer again. I only wanted to be [Xu Shi Ziqian]

(Harem) (Various references including Sea Tiger) (Contains scenes of gangster conflicts, family feuds, and fights to the knees) (This book mainly references the timeline of Cinderella the Ash) (A certain degree of character villainization and time-space distortion) (Warning: OOC in this strange book) An otherworldly visitor picked up Orn's hammer and inherited Orn's will, thus naming himself "Orn" in this other world. Orn was trapped in a blacksmith shop, living a short period of seclusion, until one day, a pony girl with ears walked into his blacksmith shop, pushing him towards a future where he would be devoured by mares. Completely clueless about training, Orn eventually became a trainer for someone who called himself "Oguri Hat." From the countryside to the center, from the Kasamatsu Yakuza to the Tokyo underworld, from Mejiro Castle to... out of the Imperial Palace! Can Orn, who has mastered the power of forging, escape the blockade of the demonic madman, the wild Emperor Shiren, and the insane Mejiro Castle?! Can he defy the pony girls who possess the power of three goddesses? Faced with attacks that are either direct or rudimentary, can the god of forging and smelting, the ancient Greek god who controlled horseshoes, and the wielder of the Great Chestnut King, withstand it? Heh! Absolutely! Easily! Please see the next episode, Ornn drags Nar's death!

Rejecting her grandfather's request to study medicine and inherit the clinic, and with the support of her father and mother, Chihiro Higashino resolutely forgoes further studies and embarks on the path to becoming a central trainer, heading for Tokyo. Here, the strongest horse racing girls from across Japan gather to pursue their dreams. Aiming for the Shining Series, they sign contracts with trainers they find a good match for, striving together for victory. In such a competitive arena, what kind of horse girls will Chihiro Higashino meet, get to know, and become close friends with? What kind of stories will unfold between him, her, and the rest of them?

Note that this is Uma Musume fanfiction, not actual Uma Musume.

Open your eyes and enter the world of Equestrian Girls. Born as Rudolph's symbolic sister, my goal is to witness the journey of all horses in eternity. I am fortunate to have so many horses, and I hope to create an era where all Equestrian Girls can be happy.

...

Every horse girl has her own wish, every horse has her own story, and every era has its own pride. Records are not static limits; constantly surpassing them is the inevitable choice. Life may be short, but being remembered is eternal—this is the time of eternity.

Aoshima Ryusuke never imagined he'd encounter the burgeoning world of Uma Musume. While the world knows of its invincibility, little is known about its inherent challenges. This presents a golden opportunity for him; becoming a legendary trainer requires overcoming this hurdle. Even the legendary Horse King has regrets. He'll eventually carve out a name for himself in the world of Uma Musume, not just domestically, but also internationally!