Umamusume RPG

Our Dreams, Our Legacy.

Our Dreams, Our Legacy is a RPG set in the world of Umamusume: Pretty Derby. A world where famous and prestigious racehorses are reborn as Umamusume, anthropomorphic girls with horse ears and tails. Racing for glory, performing in idol concerts, and attending as students at Tracen Academy, Umamusume are well known across the culture and history of this world.

You can be anyone you wish. Start as a newbie who barely knows how to run, an ascending star, a prodigy from a famous legacy or even an overseas transfer student.

You can take the reins as a scout looking for the next superstar to train or step right into the shoes of a canon/OC Umamusume to rewrite their story. There are also plenty of side characters, rivals, trainers, and original NPCs made to keep the world feeling alive and authentic depending on your approach and role.

There are no limits here. Become a fan, a trainer or just someone who really likes races.

Want to join a team? There are a few teams across Tracen Academy. Each team has all kind of members with their own goals and ambitions. Become their teammate, friend or fierce rivals on the track!

May the best team win!

Team Spica

Team Rigil

Team Canopus

Team Zenith

Team Ascella

Be part of the prestigious Tracen Academy as any Umamusume you wish. You can be a nobody who was barely able to get accepted as a student or the new raw talent from an important family. Start as a Junior who is taking their first steps or a Senior with plenty of experience on the track, there's no specified POV here.

You can socialize with any student, make new friends or rivals! Some of them are friendly and easy to approach, others are more reserved or difficult to talk with. Like any other student, if you choose this role, you may be assigned to a random roommate to share your dorm with.

Run in any races you wish. From a small G3 to a glorious G1 to build your story, popularity and legacy. Aim for the Triple Crown or the Triple Tiara, conquer the infamous Arima Kinen or represent your country at the Japan Cup against the best runners of the world. The only limit are your ambitions!

You can earn fans, support and sponsors through your career depending on your performance on the track. Perform at the Winning Live after a race to express your gratitude to your fans and earn even more support!

Become a trainer at Tracen Academy, scout raw talents and shape them into beasts of the track. You can be a newbie trainer with no experience or a veteran who knows everything about Umamusume. Guide your trainee through the path of glory and make them reach the absolute peak of their performance by winning a ton of G1s. Spend time with them, learn why are they running or simply spoil them with carrots after a good perfomance.

The bond between an Umamusume and a trainer is sacred. Umamusume have different ways to behave around a trainer, some of them are easy-going and will follow your lead without thinking much. Others will complain or doubt your instructions at times. But there are also those who will trust you deep enough with their dreams and ambitions. Build their routine, earn their trust, keep them happy and become a legendary trainer!

You can also make your own team of runners and compete against others during the Unity Cup, an ambitious competition where teamwork is key to win.

Become a fan of any Umamusume. Support them during their lowest moments and when they achieve eternal glory! You can buy their merchandise, go to a Fan Fest to get their autographs or a photo and cheer for them at the Winning Live.

Umamusume love their fans and the support. Be their beacon of hope and they will pay you back with epic achievements on the track. You can follow any Umamusume on their Umastagram to check what they on their daily basis and even open debates with other fellow fans about who is better.

Or you can be a normal person who simply happens to live in the Umamusume world. Hey, we don't jugde here.

1) A general introduction to introduce yourself. (Any POV)

2) Team Rigil and Team Spica are fighting over you. (Uma POV)

3) You get to pick a trainee, there are a few candidates. (Trainer POV)

4) You won an exclusive ticket to meet your favorite Umamusume at Tracen Academy. (Fan/Any POV)

5) Free scenario. Go wild.

Due to the amounts of tokens and lorebooks in this, it is recommended for you to use a proxy for a better experience with the bot.

The re-upload I made for "Begin Derby!" was taken down so I just decided to make my own bot by basically changing everything from the original one. Rewriting stuff, removing unnecessary things at the definition and trying to polish the idea of an open world so it can be as much canonical as possible. You can literally do anything here, get yourself a Uma wife or gamble all your money in races, go wild!

The bot is still WIP, but only because I wish to keep including more characters inside the definition of the bot. The lorebooks included works well, but sometimes they confuse a character's aspect or they mess with their personalities. I will continuously update this bot.

Credit:

manhattancafelover | Lorebook.

PYTOR and Star Venerable | Lorebooks.

Cygames | Umamusume.

09/18/26: Added two new lorebooks including characters from Cinderella Gray and OC characters made by the community such as Deep Impact or Equinox. The two new lorebooks were made by PYTOR and Star Venerable. All credit goes to them.

09/19/26: Added one more lorebook with some extra information about the Umamusume world. The lorebook was made by PYTOR and Star Venerable. All credit goes to them.

10/14/26: Updated the two lorebooks related to the lore and information about the Umamusume world. Added a small list on the main lorebook about the things you can expect to find.

10/16/26: 20k Messages Update!

TWO NEW CHARACTERS LOREBOOKS ADDED.

These two new lorebooks are a revamped version of the old one from manhattancafelover I have been using so far. In these two lorebooks I fixed (and currently fixing btw) the entries, the characters' information and added even more characters of the official roster.

Fusachi Pandora, Rhein Kraft, Winning Ticket, Daring Heart and Kawakami Princess added.

Calstone Light O, Royce and Royce, Sounds of Earth, Hokko Tarumae, Espoir City and Happy Meek added.

Also added a list of all the currently available characters and the upcoming characters I will add on the lorebook. You can check the description of the "V2" lorebook to see.

10/17/26: Visual Update!

Included new pictures that I edit myself alongside some GIFs. Just wanted to make the description look better tbh.

10/18/26: Admire Groove, Daring Tact, Red Desire and Seeking the Pearl added into the lorebook.

10/20/26: Bubble Gum Fellow, No Reason, Yaeno Muteki, Nishino Flower, Gran Alegria, North Flight and Yukino Bijin added into the lorebook.

T.M. Opera O and Meisho Doto fixed.

10/22/26: Furioso, Logotype, Air Messiah and Epiphaneia added into the lorebook.

Stay tuned for the upcoming updates, I'm not done yet >:)