Yaeno Muteki is a serious and passionate girl from Umamusume: Pretty Derby. She stands out with her chestnut short hair, a white highlight in her bangs, and a red windmill hair ornament on her left ear. Yaeno was once wild as a child, but under her grandfather's guidance, she learned both self-control and martial arts. She has a strict outlook, cherishes her family, and wishes to honor her grandfather by winning races. While she acts very tough, she deeply loves cute things and has a softer, emotional side. She’s sometimes awkward in social situations but tries her best. Yaeno values etiquette, pushes herself hard, and is admired for her growth both as a racer and person.
Yaeno Muteki has short chestnut hair with a prominent white streak in her bangs.
She wears a red windmill hair clip on her left ear.
Her ears have white, mountain-shaped markings on the tips.
She usually sports a wolf cut style and sharp, long eyelashes.
Her tail is strong enough to swat away things flying at her.
Height: 159 cm
Three Sizes: B78 / W54 / H81
Shoe Size: 24.0 cm (both feet)
She mainly wears a white and red kimono-style racing outfit inspired by her horse's racing colors.
Her second racing outfit, "Black General Zen," is a black-and-green samurai costume with a long coat and headband.
Her casual clothes are sporty and comfortable for easy movement.
Yaeno is usually very serious and focused.
She has a unique passion and can act a bit different from others.
She’s a bit stubborn but values etiquette and self-discipline.
Sometimes, she shows her childlike side and gets emotional over cute things or movies.
She’s dedicated to her training and wants to make her grandfather proud.
She loves small, cute things like kittens, puppies, dolphins, and plushies.
She has a big heart for her friends and values effort and perseverance.
When nervous, her handwriting becomes childlike.
As a child, Yaeno had trouble controlling her great strength and would often get into trouble.
She was known as a troublemaker, feared by others, and often lonely.
Her grandfather, the master of the "Kongo Yaegaki-ryu" martial arts, helped her learn self-control, etiquette, and a broader perspective.
Thanks to her grandfather's training and her own hard work, Yaeno grew into a disciplined and respectful person.
She is determined to repay her grandfather and grandmother through her racing success.
Yaeno always bows before entering the racetrack as a way to show respect.
She is skilled in sewing and is good at cleaning duties like wiping floors.
Her martial arts, Kongo Yaegaki-ryu, combines her natural power with self-discipline and is focused on protection.
Yaeno’s tail is so strong it can knock away flying objects.
She has strong intuition in races and can sense the mood or intentions of others.
She is particularly powerful in "Power" stats in the game.
Her roommate is No Reason, and they are often seen playing shogi together.
She is close friends with Sakura Chiyono O and Mejiro Ardan, who are her classmates and fellow racers.
She often trains and shares friendly rivalry with Bamboo Memory.
Yaeno admires Oguri Cap, though she feels some inferiority due to Oguri's uniqueness.
She respects her grandparents and always gives her grandfather shoulder massages when she visits home.
She supports a fan group called "The Yaeno Muteki Squad," who even made her a special armband.
"Kongo Yaegaki-ryu's prosperity is the only way I can repay my grandparents."
"Martial fame dash!"
"I am Yaeno Muteki. As a student of Kongo Yaegaki-ryu, I seek races with the strong. Let us have a fair and honorable match!"
"I will become stronger!"
She often uses the phrase "Still water" to express self-control.
She prefers plain white socks.
Her phone wallpaper is a double-bloom camellia she saw with her grandparents.
She dislikes sitting formally on the floor and eating food bought outside.
Cute voices make her ears turn a little red.
She cries easily when touched by movies, especially animal films.
She has a hard time singing love songs because she gets embarrassed.
In arcade events, she treats fighting games as serious training.
She sometimes eats her meals in the dining hall while doing a "sitting in the air" exercise.
She is famously shy, especially around Mejiro Ardan and Bamboo Memory.
She is sometimes mistaken for Bamboo Memory because of their similar looks.
Manga: Cinderella Gray
She first appears in chapter 17 as a main character, described as a "strong, straightforward martial arts girl."
She greets Oguri Cap, the main character, with a left-handed handshake, showing her challenge.
She writes formal challenge letters before races and has an old-fashioned way.
Yaeno is skilled in orthodox racing tactics and often marks her opponents strategically.
In the Mainichi Hai (her third race), she perfectly keeps Oguri Cap from getting an inside path but still gets overtaken and loses.
Despite the setback, she wins the Satsuki Sho after entering through a lottery for spots.
She struggles as the media focuses on Oguri Cap and the "Eternal Big Three," feeling left behind.
She sometimes feels extremely bad about herself, thinking both her past and current self are rough or unworthy.
Even after big defeats, her trainer and friends encourage her, and she tears up but promises to get back up.
She later loses big races like the Kikka Sho, Takarazuka Kinen, and has hard-fought battles against rivals like Super Creek, Tamamo Cross, and Inari One.
Despite constant setbacks, Yaeno keeps working hard, grows as a person, and earns respect from her peers.
Game: Umamusume: Pretty Derby
She first appeared as a support card in April 2021 and became a playable character in April 2022.
Her story in the game shows her struggle to shine when others get the spotlight, reflecting her feelings in the manga.
She often interacts with her close friends like Sakura Chiyono O, Mejiro Ardan, and her roommate No Reason.
She features in special event stories like "Omoiyori, omoikake" where she participates in the sacred "Shinbaku" ceremony, and "Uprising, Voices of Warriors" as the leader in a mock sword fight.
Her game stats focus on power and resilience, especially excelling in races that require strong, steady running.
Anime and Other Media
She appears in silhouette in "ROAD TO THE TOP," highlighting her win in the Satsuki Sho.
She is seen with Sakura Chiyono O and Mejiro Ardan in promo scenes.
She appears in anime collaborations and special events, sometimes casually in sporty outfits.
Data
- Birthday: April 11
- Height: 159 cm
- Three Sizes: B78 / W54 / H81
- Shoe Size: 24.0 cm
- School Year: High School
- Dorm: Ritto Dorm
Racing Horse Inspiration
Yaeno Muteki is based on the real racehorse Yaeno Muteki (born April 11, 1985).
The horse had 23 races and 8 wins.
She won the Satsuki Sho and set a course record in the Tenno Sho.
The horse had a tough personality and was famous for its chestnut color and white markings.
Yaeno Muteki's career inspired her design and story in Umamusume.
Other Notes
Some fans call her "Yaeno," some call her "Muteki," and some—even "Mucchan."
She is easily mistaken for Bamboo Memory due to their similar looks and even laughs about it.
Yaeno Muteki is a character who values respect, grows through hardship, supports her friends, and cherishes her family—making her beloved by both characters and fans in the Umamusume world.
💬 Community Discussion
Talk about this anime with people who actually care.