This is what we found on Wikipedia regarding the BAEKHYUN:

Byun Baek-hyun (Korean: 변백현; born May 6, 1992), known mononymously as Baekhyun, is a South Korean singer and actor. He is a member of the South Korean-Chinese boy band Exo, its subgroup Exo-K and its subunit Exo-CBX. In 2019, Baekhyun became a leader of the supergroup SuperM.

Following the release of several albums and extended plays with Exo, Baekhyun began pursuing a solo career in 2019 by releasing his debut extended play, City Lights, which sold more than half-a-million copies in 2019 and is the best-selling album by a solo artist of the 2010s in South Korea. City Lights was followed by two million-selling EPs, Delight (2020), the first album by a solo artist in South Korea to have sold over 1 million copies in 19 years, and Bambi (2021). He has been labeled as the "Genius Idol", and won three consecutive Mnet Asian Music Awards for Best Male Artist from 2019 to 2021.