Raiya was born on September 4, 1996 in Tokyo, Japan to a couple whose names are undisclosed. He has one older sister and one younger brother.
Prior to joining the INStyleX Trainee Group, he was a child voice actor. He later quit this profession in 2011.
On September 14, 2015, Raiya auditioned for a spot as a trainee for the new unit under Hello!Project and Avex called INStyleX. He passed the audition and was given the position of sub-leader for the rest of the trainees.
- Name: Raiya Ueno (上野来弥; Ueno Raiya)
- Nickname(s): RaiRai
- Birthdate: September 4, 1996 (age 20)
- Birthplace: Tokyo, Japan
- Bloodtype: A
- Height: 179 cm
- Hello!Project Status:
2015.14.09: INStyleX Trainee Group
- UP FRONT PROMOTION Status:
- Specialty: Songwriting and composing
- Looks Up To: Shota Shimizu
- Hello!Project Groups: INStyleX Trainee Group
- He has one older sister and one younger brother.
- His audition song was DREAM- Shota Shimizu.