Hwanhee

Officially debuting on November 21, 1999, he released the album Day by Day alongside fellow member Brian Joo.

Hwanhee debuted as an actor in 2006, when he starred alongside Seo Ji-hye , Ji Hyun-woo and Kim Ok-bin in Korean drama Over the Rainbow as cocky rock star Rex. The rating of the show was mediocre throughout its airing, plummeting to 7% at one point.[2] His performance received mixed reviews. (SBS)[3]

He continued to pursue his acting career by participating in a 2008 drama "사랑해" ("I Love You") alongside actor Ahn Jae Wook. On 14 September 2008, Hwanhee appeared on the show We Got Married 우리 결혼했어요! together with Hwayobi, as one of the 3 new couples. They made their official exit from the show on January 18, 2009.

In 2010, he acted in a drama called Stormy Lovers. However, due to low ratings, MBC had to cut out about half of the episodes.

Hwanhee also taken part in the movie Star, which was released in late 2011.

In 2009, after releasing their 8th album, Decennium, the group decided its time to focus on their solo career. In December 2009, Hwanhee signed an exclusive acting contract with KEYEAST Co., Ltd (previously known as Boundaries of Forest Entertainment "BOF").[4] KEYEAST will work with Hwanhee's current recording label, H-Entercom to manage his future acting, advertising, media publicity activities.

In October 2009, Hwanhee released his first solo mini-album "H-Soul". The album, produced by Hwanhee was released on 22 October 2009. After 10 years of performing with Brian as Fly to the Sky, Hwanhee made his comeback as a solo artiste on MBC Music Core on 24 October 2009.[5] His title track from the album was "심장을 놓쳐서" ("Because I Missed Your Heart").

He successfully hold a solo concert in Japan on 23 December 2009, captivating some 2,000 fans at the Japan's JCB Hall with his music.[6] During his solo promotion period in mid December 2009, Hwanhee also participated in the solo album of Song Ji Eun from Secret. He sang a duet with Song Ji Eun. The title song named "어젠" ("Yesterday") was also written by Hwanhee.

On 29 December 2009, Hwanhee's agency (H-Entercom) announced that Hwanhee would take a break from his first solo album's promotional activities due to an abrupt onset of health problems involving his vocal cords.[7] After a hiatus of five months, Hwanhee released a digital duet titled "바보가슴" ("Foolish Heart") with female newcomer singer, 숙희 "Sook Hee" in May 2010. Hwanhee also sang "바람이 되어서라도" ("Even Becoming Wind"), the OST for the highly anticipated Korean war drama, Road No. 1 starring So Ji-sub and Kim Ha-neul.

"내가 더 아플게" ("I Will Hurt More"), a digital single written by Hwanhee was released in July 2010 and it quickly climbed to top of various Korean online music sites.[8] His second mini album "H-Hour", produced by Hwanhee was released on 5 August 2010. The title song of the album is "...하다가" ("...While Doing"). Hwanhee released a digital duet with May Doni titled "남남" ("Strangers") on 29 December 2010.

Hwanhee was cast in a MBC daily drama, "Stormy Lovers" (previously known as Love is stronger than Death). where he played the role of "Im Hara", a prodigy PD with a playboy attitude. His attitude slowly changed after he met an older woman, Lee Tae Hee. The drama was aired in mid November 2010, after "Golden Fish" ").[9]

Shortly after releasing his 1st album in July 2011, Hwanhee signed on for the production of the movie "Star". As of this writing, the movie is undergoing pre-production. The story will reflect on the life of Romi, portrayed by Hwanhee. Romi is an internationally renowned superstar, and the film will shed some light on the lifestyle and problems such individuals go through during the course of their careers. There is no slated release date at the moment.

On July 28, 2011, Hwanhee released his first official album. He worked with a number of renowned producers and songwriters to make this album. The music video of the title track "죽을 것만 같아" features actor Lee Jang Woo (이장우), who is his cousin as well. The original solo arrangement of 어젠 is also included in the album. A few weeks before the release of the album, Hwanhee and H-Entercom agreed to dispose of 20,000 copies of this album due to issues regarding mixing and mastering that did not meet the expectations of the artist.

H-entercom announced that Hwanhee will commence his mandatory military service on 27 October 2011. He served as a public service worker for 23 months after receiving four weeks of basic training at the Nonsan military camp in South Chungcheong Province.[10]