About Kim Jae-hwan (singer)
Kim Jae-hwan, known mononymously as Jaehwan (재환), is a South Korean singer-songwriter, known for finishing fourth in Produce 101. He is a former member of the South Korean boy group Wanna One. As the group promoted for a year and a half, it achieved both critical and commercial success with all four of its albums topping South Korea's Gaon Album Chart and all five of its lead singles ranking in the top three of South Korea's Gaon Digital Chart. Kim Jae-hwan (Korean: 김재환, born May 27, 1996), known mononymously as Jaehwan (재환), is a South Korean singer-songwriter, known for finishing fourth in Produce 101 (season 2). Kim debuted as a soloist with his first extended play, Another, which was released on May 20, 2019. Kim Jae-hwan first appeared in 2012 as a contestant in the second season of Korea's Got Talent. He challenged veteran singer Yoon Do-hyun with his own rendition of YB's "Autumn Outside the Post Office" (가을 우체국 앞에서) and won, becoming the show's first winner.
Biography source: Wikipedia. The profile adds birthday-specific historical context from the Celebs Birthday Today editorial database.