Kim Young Hoon is the vocalist, visual and dancer of the boy group The Boyz. He appeared in Melody Day's music video for the song "Color", I.O.I.'s music video for the song "Whatta Man" and in John Park's music video for the song "DND (Do not disturb)". Young Hoon was also a model for Paul Miranda Italy, C.A.S.H. Korea and Seoul Fashion Week 2017. He made his acting debut appearance as the main role in the webdrama series “Love Revolution” in 2020.