Biwa Hayahideビワハヤヒデ

"Victory Investigator"

"I'm Biwa Hayahide. My goal is to assemble the perfect winning formula. ...Also, I have a normal sized head!"

Biwa Hayahide
Biwa Hayahide
Biwa Hayahide
Biwa Hayahide

A passionate intellect. She uses logic to stand her ground!

She's a theorist who breaks down any problem systematically. She's a headstrong girl, but values pracitcal application, so she never ends up with empty theories. She has honed her ability to compete with the extreme talent of her own sister, Narita Brian. Narita Taishin and Winning Ticket are good friends of hers in the same class.

Birthday: Mar 10

Class: High School

Dorm: Ritto

Roommate: T.M. Opera O

Ears: As a child, she was sensitive to noises and was often startled by them.

Tail: When it's damp, she has a hard time getting her tail into the tail hole of her clothes.

Family: Her mother and her sister used to have matching hairstyles.


  • She's a hairspray reviewer.
  • She can eat a banana in five seconds.

Height: 171cm

Three Sizes: B93 W61 H88

Shoe Size: 25cm

Weight: No change

Preferred Ground: Turf

Preferred Distance: Mid, Long

Preferred Strategy: Leader

Strengths: Tidying up

Weaknesses: Rainy season

Calls self: Watashi (私)

Calls Trainer: Trainer-kun (トレーナー君)

Nicknames: Hayahide, Aneki (Brian)

Voiced by: Yui Kondo (近藤唯)

Yui Kondo

Other Roles:

  • Karen Shinomiya (The IDOLM@STER)
Biwa Hayahide

Sex: Stallion

Record: 15 Races, 8 Wins (3 G1 Wins)