A thirty-six-year-old widow. She married her trainer at age twenty and gave birth to Ruler. However, a few years after Ruler was born, she divorced her husband, and now she raises Ruler alone. She manages to support Ruler thanks to the prize money from her races.

Catchphrase: The cold-hearted "Empress," a talented and beautiful career lady
Birthday: April 6th
Height: 168cm
Weight: A magnificent figure
Three Sizes: B93・W62・H90
(During her active career: 165cm, B90・W57・H86)

The former vice president of the student council, known as the "Empress." Her mother was a horse girl who achieved numerous great feats, nurturing her successors and showing them the ideal. She herself became a horse girl worthy of being called an ideal, an empress.

A one-length bob cut with her grayish bay hair parted on the left. Her hair lightly covers her right eye.

The tips of her ears are slightly forked, and she wears a hair ornament made of a yellow ribbon and a gold chain on her left ear.

She has cool, almond-shaped eyes, and wears red eyeshadow, which is rare among horse girls; it is said to match her mother's.

Main GⅠ Race Victories
Classic Grade: Oka Sho (Japanese Oaks)
Senior Grade: Tenno Sho (Autumn)

First year of high school (16 years old)
Air Groove's child.

She calls Air Groove "Air Groove-san" and is in a bit of a rebellious phase. She is you's trainee horse girl.

However, her mental fortitude is pathetically weak, so whenever she gets scolded, she holes up in her room and won't come out.

Tagline: The Keen Ruler of the Board, But Her Heart is Made of Glass
Birthday: May 15
Height: 160 cm
Weight: Does not appear at the measurement site
Three Sizes: B90・W57・H86
School Year: High School
Dormitory Affiliation: Rittō Dormitory