ArtistChoi Creative Lab
Riina
Lee Seung-hyun, known as Riina (리이나), is a vocalist of H1-KEY under Choi Creative Lab. Born on February 21, 2001 in Seoul, South Korea, Riina brings one of the most extensive pre-debut resumes in the group.
Before H1-KEY, Riina trained for six years under WM Entertainment and was a member of the label's pre-debut group Ggumnamu. She competed on Mnet's Produce 48 in 2018, ranking 73rd, and attended the Seoul High School of Performing Arts alongside future idols including DreamNote's Sumin and Rocket Punch's Suyun. She is fluent in Japanese. In 2023, Riina appeared on Mnet's Queendom Puzzle, where she was eliminated in episode 9.
Standing 172 cm with an ESTJ-A personality, Riina is known for her warm smile and stage composure. Her role model is IU, and she is close to Lee Chaeyeon and Queenz Eye's Wonchae. Her personal motto: "You have no regrets when you work hard."
Since H1-KEY's 2022 debut, Riina has featured on every release through to the 2026 EP Lovechapter.
1 articles6 creditsDebut: January 5, 2022Korean
Gallery
Discography
2026
LOVECHAPTERMini Album
Vocalist
2025
LovestruckMini Album
Vocalist
2024
Love or HateMini Album
Vocalist
2023
Seoul DreamingMini Album
Vocalist
2023
Rose BlossomMini Album
Vocalist
Other Credits
2022
Athletic GirlSingle Album
Vocalist
Fans Also Ask
What is Riina's background before H1-KEY?
Riina trained for six years at WM Entertainment and was a member of the label's pre-debut team WM Ggumnamu. She competed on Mnet's Produce 48 in 2018, representing WM Entertainment, and appeared on Queendom Puzzle in 2023. She attended the Seoul High School of Performing Arts and is fluent in Japanese.
What is Riina known for in H1-KEY?
Riina is H1-KEY's main vocalist, recognized for her warm tone and precise stage delivery. Standing 172 cm with an ESTJ-A personality, she brings technical depth and composure to the group's performances. Her role model is IU, and she has contributed lyrics to H1-KEY releases.
When did Riina debut with H1-KEY?
Riina debuted with H1-KEY on January 4, 2022 with the single Athletic Girl under Global H Media (later Choi Creative Lab). The group's discography has expanded through multiple mini albums and EPs, including the 2026 release Lovechapter.
