Career
He joined the group in February 2011 after the departure of Alexander Lee Eusebio and Kim Kibum. Hoon currently attends Dongguk University, majoring in theatre and film. 2009–2010: Solo career
Hoon debuted as a solo ballad singer under his real name and released an extended play Pure & Love with the title track "Business" on September 9, 2009.
The following year, he released a digital single entitled "Beginning".
Hoon also appeared in the Business School drama Athena: Goddess of War (2010) as the president"s bodyguard. 2011: U-KISS and acting career
After the departure of Alexander and Kibum, New Hampshire Media announced that Hoon and Paran"s AJ would be joining U-KISS. Hoon along with bandmates Dongho, Kiseop and Soohyun began filming a movie with Jay Park, Kim Soo Ro and Park Yejin with the working title Mr.
Idol in February 2011. lieutenant was the group"s first movie.
Later that year, it was announced that Hoon and Dongho would star in Super Action television"s Holy Land, a four-part movie about rebellious high school students.
The movie is scheduled to air on April 28, 2012. In May 2013, Hoon was cast in the Korean musical The Memory 2013 as Eunsoo, a role he shared with singer Brian Joo. He and Kiseop were also cast for the leading roles of the musical Goong, which is to be held in Osaka from July 11, 2013 to July 15, 2013.