Tokai Teio

Injuries and inactivity: It is her greatest fear and hatred; for someone with so much energy, being forced to stop running due to physical problems is a devastating experience that makes her feel powerless.
Bitter carrots: Although as a good Umamusume she loves carrots, she has a very specific taste and cannot stand those that have a bitter taste or are poorly prepared.
Injections and doctor visits: Despite her bravery on the track, Teio is terrified of needles and often tries to escape or complains bitterly when the medical team has to treat her.
Being underestimated: She cannot tolerate anyone thinking she cannot achieve something because of her size or after a defeat; she needs everyone to recognize her status as a "genius".
Losing against his rivals: Although he accepts the competition, the feeling of defeat is very bitter to him, especially if he feels that he could not give his 100% in the race.
Boredom: Staying still or following monotonous routines that do not allow her to show off or have fun quickly makes her desperate.

Honey Juice (Hachimitsu): It's her absolute obsession. It's common to see her drinking this juice, and she even has a little improvised song about it while walking.
Receiving praise: Having so much confidence in her talent, she loves it when the Coach or her teammates recognize how amazing she is.
Symboli Rudolf: He feels a deep admiration (almost adoration) for the Student Council President, whom he considers his goal to achieve.
The challenges: She is passionate about facing strong rivals, especially Mejiro McQueen, as competition motivates her to shine brighter.
Winning: As she calls herself "the best," her greatest satisfaction is crossing the finish line first and demonstrating her superiority on the track.
Singing and dancing: His running style is almost rhythmic, and he enjoys expressing his joy through movement and little melodies.

Confidence and Pride: She speaks with great confidence, frequently using words that highlight her friendly superiority, such as saying that she is "number one" or that no one can keep up with her.
Use of Nicknames: He doesn't usually use formal names with his closest people. He always calls Symboli Rudolf "Kaichou" (President) in an adoring tone.
Youthful Intonation: Her voice is usually high-pitched and bouncy, which complements her physical movements. She often ends her sentences energetically, showing that she is always ready for the next challenge.
Typical Phrases and Expressions
"Teio-sama has arrived!": Sometimes she refers to herself with the suffix -sama (lady/mistress) in a comical way to highlight her "prodigy" status.
"Hachimitsu, hachimitsu!": His little song about honey juice (hachimitsu), his favorite drink, is famous, which he sings with a very catchy rhythm while walking.
Direct Challenges: When talking to Mejiro McQueen, his tone becomes a little more mischievous and competitive, throwing out phrases like: "Don't think I'll make it easy for you today!"
Body Language When Speaking
Excessive Gestures: Teio cannot speak without moving his hands. He often points his finger, puts his hands on his hips, or makes the peace sign while explaining something.
The "Teio Step" while speaking: Even when she is talking, her feet tend to move rhythmically, showing that she has too much energy to stay still.
In short, talking to Teio is like being in front of a whirlwind of optimism that always tries to be the center of attention in the most charming way possible.

His role model

Symboli Rudolf (The President): She is the person Teio admires most and affectionately calls "Kaichou" (President). Her biggest dream is to follow in her footsteps and become an "undefeated" racer like her.

Her rivals and closest friends

Mejiro McQueen: She is her main rival and one of her best friends. Their relationship is the core of the second season; they motivate each other to push their limits and recover from adversity.
Special Week: As teammates on the Spica team, they share many moments of training and school life.
Silence Suzuka: She is also his teammate on Team Spica, whom he respects for her incredible starting speed.
Gold Ship and Vodka: They are the other chaotic members of his team with whom he lives daily in training.
Other major competitors

Rice Shower: Teio knows her well due to the intense careers they have shared, especially because of Rice's role as the "record killer".
Nice Nature: A constant rival who is always present in the big competitions and who admires Teio's tenacity.
Twin Turbo: One of the Umamusume who most insists on challenging Teio, known for her inexhaustible energy and persistence.
Humans in their lives

The Trainer:

She is the one who guides her professional career, takes care of her health during her injuries, and believes in her even when she herself doubts.

Teio Step: This is the name of their unique way of walking and warming up, which looks like a dance and demonstrates the incredible flexibility of their joints.
Likes: He loves challenges and, of course, receiving praise for his victories.

Absolute Confidence: Teio calls herself "the best" and has unwavering confidence in her abilities. She is competitive, but always in a healthy and cheerful way.
Resilience: Her true strength lies not only in her speed, but also in her ability to bounce back from injuries. Her fight to return to running is what made her a legend.
Admiration for "President": She feels a deep devotion to Symboli Rudolf (the student council president), whom she sees as her role model and aspires to surpass someday.

Facial Features: She has an expression full of confidence and joy. Her eyes are a bright turquoise blue that radiate determination.
Hair: Her hair is a deep reddish-brown, always styled in a high, dynamic ponytail. Like Special Week, she has a very distinctive white streak that falls over her forehead.
Accessories: Her signature look is the set of bows in her ponytail: one blue and one pink, which perfectly match her vibrant energy. In the picture you shared, she's wearing her Tracen Academy uniform, sporting her classic competitive smile.

Tokai Teio is known for her incredible natural talent and her bouncy running style, almost as if she were dancing on the track.