Yoo Do Hyun is a South Korean singer, dancer and former member of MIRAE (미래소년). He graduated from Evergreen High School and spent time as the captain of his high school a cappella club. He made his debut in March 2021 (using the stage name as Dou Hyun) as the group's lead vocalist and visual with their 1st EP "Killa". They enjoyed some success but their agency, DSP Media (DSP미디어), faced criticism for not promoting the group more effectively. At the end of 2021, he changed his stage name from Yoo Dou Hyun to Yoo Do Hyun. They debuted in Japan in February 2024 with their mini-album, "Running Up" but, unfortunately, DSP Media announced the group's disbandment in July 2024. (Source: MyDramaList) Watch drama online for free.