About Choi Hyun-suk
Choi Hyun-suk (Korean: 최현석; born April 21, 1999) is a South Korean rapper, singer and dancer under YG Entertainment. As a member of boy band Treasure, Choi debuted on August 7, 2020, with the single album entitled The First Step: Chapter One. He is also known for his television appearance as a contestant on Mix Nine (2017–2018). == Life and career == === 1999–2016: Early life === Choi Hyun-suk was born on April 21, 1999, in South Korea. He is the eldest in his family and has a younger sister. 8-year-old Choi (Korean age) first discovered rap and hip hop in first grade through Big Bang's documentary The Beginning (2006), and later through the work of Tupac and Eminem, also attending the latter's concert in Choi's country. In result, he solely fixated his eyes on the hip hop label, YG Entertainment. He formally encountered hip hop and began to dance at ages 11–12 and 13–14 (Korean ages), respectively, and soon aspired to become an artist; or alternatively become a footballer, stemmed by his interest in the sport in result of his stance as an avid fan of Real Madrid CF. Preceding his interest in hip hop, Choi also joined a choir in fifth grade, following a family tradition situated in elementary school, as a sopranist and won first place as its school representative in contests. In his adolescence, he enrolled at an academy for lessons and attended a private audition held by YG Entertainment through the facility; as a result, Choi was successfully recruited in its trainee program in 2015. === 2017–present: Career beginnings and debut with Treasure === Choi first appeared on television through Mix Nine (2017–2018) with band-mate, Kim Jun-kyu, and Lee Byoung-gon of CIX. He participated as a contestant representing YG Entertainment amidst his training and finished the show in fifth place, earning a place in the final line-up.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.