"I won’t go back to being an idol.”
15 years old, born in Tokyo. The center of the idol group, “Mr. Doctor”.
He has been in the entertainment industry from young, but was moved when he watched a live horse race event while he was on the job. He then took the entry examinations for the Horse Racing School, and enrolled. His stage name is Yu Otonashi.

Birthday: 19 May
Horoscope: Sagittarius
Blood type: O
Family: None
Motto: Never forget your roots

“You just need to listen to your horse.”
15 years old, born in the Izu Islands.
He was raised in a place surrounded by nature. Growing up, he listened to horse racing radio broadcasts as he did not have a TV.
Despite not having experience in horse riding until he enrolled in the Horse Racing School, he showcased a flair for it. He is also a carefree airhead.

Birthday: 14 February
Horoscope: Aquarius
Blood type: B
Family: Parents, younger sister and grandmother
Motto: Be nice to both people and horses

“I’m not here by choice.”
15 years old, born in England. He is a mixed-blood with a British father.
His father is a former jockey, and is now known as an owner-breeder. Raised in an affluent household, he is an elite who has transferred from many horse racing schools abroad before coming to Japan.

Birthday: 20 September
Horoscope: Aries
Blood type: A
Family: Parents, two older brothers
Motto: Be the best