Supernova (hangul: 초신성) is a South Korean boy group formed under Mnet Media in 2006. Their most well-known lineup featured Jung Yunhak, Kim Sungje, Kim Kwangsoo, Yoon Sungmo, Song Jihyuk and Park Geonil.[1] Its six members specialized in the areas of singing, dance, acting, rap and pop. The group officially debuted on September 21, 2007, with their lead single "HIT" from debut album The Beautiful Stardust.

Formation

Before it became Supernova, it was a 5-member group named GM5. The group composed of Park Geonil, Kim Sung Je, Kim Gwangsu, Song Jihyuk, Han Ji Hoo. In December 2006, there were changes in the lineup; Ji Hoo was removed from the group and replaced by Jung Yoonhak and Kim Jinchul (Jinon of F.Cuz). They performed in the BIG4 Concert as GM6. On December 2006, Kim Jinchul was removed from the group and replaced by an older trainee, Yoon Sungmo.

2007–2009: Debut

Supernova made their official debut stage by performing "HIT" on the music program Music Bank on September 21. Supernova released their debut album The Beautiful Stardust on September 25, 2007 with title track "Hit".

On 24 July 2008, the group visited Thailand for the first time, participating in showcases and other events. On September 14, 2009, Supernova collaborated with T-ara to release a digital single, "T.T.L. (Time To Love)", a hip-hop song with electronic sounds. Among the members, only GeonIl, Kwang Soo and JiHyuk, together with T-ara's SoYeon, Hyomin, EunJung and Jiyeon were involved in this project. During the month of September, the seven of them actively promoted the song on the various music shows. A remix version of the song, "T.T.L. Listen 2", was released on October 9, with the MV featuring all the members from both groups. Even though the rest of the members (from both groups) did not have active parts in the remix version, all 12 participated in the song promotions from October onwards.

Supernova made their Japanese debut in September 2009 with three singles released over three consecutive weeks: "Kimidake wo Zutto", "Hikari", and "Superstar ~Reborn~". The first two singles are new releases, while "Superstar ~Reborn~" is a Japanese remix of their Korean single "Superstar". They released their first Japanese album, titled Hana, on October 21.

2010–2012: Time To Shine, Stupid Love and She's Gone

Supernova released their fourth Japanese single, "Last Kiss", in January 2010. The single's b-side "Ai Uta" (愛唄) is a cover of Japanese hip-hop group, GReeeN's song of the same name. Supernova's first mini-album Time To Shine was released on August 17 and its was music video for title track "On Days That I Missed You". A day later, Supernova also release fifth Japanese single "Shining Star". They held their "Choshinsei Show 2010" in Yokohama Arena on December 21, 2010 with around 13.000 fans attended the concert.

In late 2010, Five members (except Yoonhak as he was busy filming "Love Kimchi") filmed their part for SBS new medical drama "SIGN" Geonil play as "Seo Yoon Hyung" leader of popular group, "VOICE" who was murdered during the group concert.

In early 2011, each member was focusing on more on individual activities in both Korea and Japan. Sungje was cast in "I Really Really Like You" with T-ara's Boram. Kwangsoo was cast on "Real School" sitcom with U-Kiss's Dongho, Kiseop and Eli. Following Sungje, Sungmo was cast in the "Coronation Ball" musical. Leader Yoonhak made himself busy by preparing for his Japanese drama, "Love Kimchi", which was broadcast for NHK's 70th Anniversary. He was also cast in a musical titled "Finding Kim Jong Wook" in Korea. Kwangsoo and Sungmo were both chosen as "K-Pop Zone" MC broadcast by MNet Japan. Jihyuk is also cast in the drama "Bachelor's Vegetable Store" as Yoon Ho-Jae.

In October 2011, Yunhak announced temporarily leave for military service. During military service, Yunhak release his first Japanese single "Again" on March 21, 2012. on April 17, 2012 Supernova released their mini album Stupid Love, after a long break from promoting in Korea. On August 6, Supernova release their single album She's Gone. They made their official comeback in M! Countdown on August 9. When the promotion, Sungje took painkillers to endure the pain he acquired through an ankle injury.[3] On December 19, Supernova released collection album "Supernova Collection", which contains 2 disc. First disc are compilation song from their previous album,and disc two contain 6 solo songs.

2013–2015: Japanese promotions and Funky Galaxy

In July 2013, Maroo Entertainment announced that Yunhak would re-join Supernova for Japanese promotion. Supernova's sixth Japanese album "SIX" was released on December 3, 2013. Yunhak's second Japanese single "I Love All of You" was released on January 29, 2014, followed his first Japanese mini album "Tiramitsu Love" on February 19. In August, Sungje announced a temporary break for military service. Supernova released their 18th Japanese single "Kitto" on March 4, 2015. On May 9, released two digital singles "BLOWIN" and "girl friend". Their seventh Japanese album "7IRO (Nana Iro)" was released on September 9, which placed first on Japan's Oricon Daily Chart, selling 21,909 copies within the first 24 hours of its release. A sub-unit, Funky Galaxy debuted on Oct 28, 2015, composed of the rappers, Kwangsu, Jihyuk and Geonil.

2016–present: Mandatory military service, solo activities

Sungmo's second Japanese mini album "The Future with U" was released on February 2, 2016. Supernova released their 23rd Japanese single ""Matakimito..." on February 24, 2016. On May 27, 2016 Sungje completed his military service, and shortly after members Kwangsoo, Sungmo, Jihyuk, and Geonil announced their temporary leave for military service. Yunhak then released his next album "REAL" on June 29, 2016, while Sungje worked on releasing his first solo album "It's Time" which came out on August 10, 2016.

October 16, 2016, while touring at the "Supernova LIVE TOUR ~BRO~" it was announced currently active members Yunhak and Sungje will give out a mini album on January 25, 2017. Their first album as a sub-unit was "Yours forever" and their second mini album "2Re:M" was released on August 30, 2017. On October 27, 2016 it was announced member Sungje will star in his first South Korean movie. The film later named Guest House was released both in Japan on December 23, 2017 and Korea on Feb 22, 2018. Yunhak third solo album "The One" was released on January 17. 2018. Supernova have ended their contracts with Maroo Entertainment on June 21, 2018. After becoming free agents, the members with the exception of Sungmo opened a new office SV ENT.

Members

Jung Yunhak (정윤학), Spica Yunhak
Kim Sungje (김성제), Sirius Sungje
Kim Kwangsoo (김광수), Becrux Kwangsoo

Yoon Sungmo (윤성모), Vega Sungmo

Jihyuk (Song Hunyong; 송헌용), Acrux Jihyuk

Park Geonil (박건일), Canopus Geonil

- Wikipedia