What company formed the South Korean boy group of which Lee Jin-Ki is a part?
S.M. Entertainment
Title: Lee Joo-heon
Passage: Lee Joo-heon (born Lee Ho-joon on October 6, 1994), better known by the mononym Jooheon, is a South Korean rapper and songwriter.  He is a member of South Korean boy group Monsta X, formed during the 2014 Mnet's survival show "No.Mercy".
Title: Onew
Passage: Lee Jin-ki (born (1989--) 14, 1989 ), better known by his stage name Onew, is a South Korean singer and actor.  Born in Gwangmyeong, Gyeonggi-do, Onew was discovered at the 2006 S.M. Academy Casting and signed the contract with S.M Entertainment the day after his audition.  He debuted as one of the lead vocalists of boy group Shinee in May 2008, who went on to become one of the best-selling artists in South Korea.
Title: Shinee
Passage: Shinee ( ; Korean: 샤이니; Japanese: シャイニー; stylized as SHINee) is a South Korean boy group formed by S.M. Entertainment in 2008.  The group is composed of five members: Onew, Jonghyun, Key, Minho and Taemin.
Onew Shinee