Koh Han Gyu, known professionally as Koh Yu Jin, is a South Korean singer, musical actor, and former member of FLOWER (플라워). He graduated from Jamsin High School and later obtained a bachelor's degree in Music from Christ University.

He made his debut in September 1999 as FLOWER's vocalist with the album "Tears". The band was managed by Ogam Entertainment (오감엔터테인먼트), and they did not appear on any TV show to promote their music until nearly 2 months later in "Lee So Ra's Proposal". He then opted to enlist for his mandatory military service on December 17, 2001, and was discharged on February 2, 2004, as he suffered an injury and had to complete the remaining time as a public service worker.

After completing his military service, he made his debut as a solo artist with the album "Newborn". His vocalization and stable vocals made him one of the most popular singers of the time, as he could switch between rock and ballads with ease. The band was active from 1999 until 2006, when they took a 4-year break for mandatory military services and returned in 2010 with more albums. They have reunited sporadically for TV shows or to release a few mini-albums, and he has been the most active, both in musicals and promoting as a solo artist. He is currently represented by InTime Entertainment (인타임엔터테인먼트).

(Source: MyDramaList) Edit Biography