Rainbow

Rainbow (Korean: 레인보우; Japanese: レインボー ; stylized in all caps) is a South Korean-Chinese boy band based in Seoul, consisting of twelve members: Kian, Zayne, Shinji, D.L., Kenshin, Hendrix, Junhao, Dylan, Finn, Louis, Jinz and Jayden. The band was formed by PGM Entertainment in 2019 and debuted in 2020. Their music—released and performed in Korean, Mandarin, and Japanese—primarily incorporates pop, hip-hop, and R&B.

Background
In 2019, a brand new entertainment, PGM Entertainment's CEO revealed plans to debut a new boy band that would be divided into two sub-groups, promoting the same music simultaneously in South Korea and China by performing songs in both Korean and Mandarin. After a long period of preparation, the group finalized its name as Rainbow.

History
 2015-2020: Formation 

Rainbow-K's leader, Zayne, was the first member to join PGM Entertainment in 2015, he was also the first trainee of PGM Entertainment. The following year, Jayden received a contract after won in PGM Entertainment audition. In 2017, Rainbow-K's Hendrix sang for his audition and was eventually offered a contract. The last member of Rainbow-K to become a trainee was Louis, who joined in 2019 through PGM Entertainment's casting system and trained approximately one year before debut. In Rainbow-M, Kian auditioned in 2015 at a global PGM Entertainment audition in China, before moving to South Korea for taining. That same year, Finn was scouted by an PGM Entertainment representative in Tokyo, Japan, he passed his audition and subsequently moved to South Korea. Dylan, who attended an audition with his friend, was the next member to become trainee in 2017. The last member to join Rainbow-M was Jinz, who take part in the casting system in 2018. The band was originally due to debut on April 12, 2020, but they postponed their debut date due to the addition of Louis.

 2020: Moderate success, mainstream breakthrough and commercial success 

Rainbow-K and Rainbow-M debuted with the single "School" on June 21. The band first televised performance was their debut stage at Music Bank on the same day. The two sub-groups promoted the single seperately.

Two members (Louis and Jinz) participated in a survival show during the second half of 2020. The survival show concluded with Louis ranking 4th and Jinz ranking 6th, making them both members of the temporary boy group O.U.D by KJH Entertainment (later changed its name to Blue Moon Entertainment). Jayden joined a new group, Blinkglow by Blink Entertainment while Louis was declared as a member of Seventy Seven (later belonged to Persona Entertainment) in August 7 and August 14. Jinz was announced in September that he will become a member of SJP Entertainment 's boy group Kingu. PGM Entertainment announced Jinz, Louis and Jayden will not participate in the second single comeback. Jayden has also been announced that he will not participate in promotion for the rest of 2020 but he returned to the group on October 19 and participated in the award ceremonies and 1 endorsement with the team.

On August 31, Rainbow released thier second single "Be With, World", surprise featuring Louis of Seventy Seven. Their first single album, Tiger Inside, with the title track of the same name, was released on October 9. Louis and Jinz return to team activities on October 12.

The group‘s first EP, COLOURFUL RAINBOW, was released on December 28, consisting of tracks "I Love U" and "Boy with Luv", featuring Rosé of Blackpink. Unlike the single "School", for which Rainbow-K and Rainbow-M had seperate promotions, COLOURFUL RAINBOW was joinntly promoted in South Korea. Rainbow was awarded Rookie of the Year at the 2020 Asia Artist Awards, Best New Male Artist and Worldwide Fans' Choice at the 2020 Mnet Asian Music Awards.

 2021: Japanese debut, new members, F4R and first concert 

Rainbow made their Japanese debut with single Japanese version of "Boy with Luv" and "I Love U". The soundtracks were digitally released on music streaming platforms on April 2 and April 18 respectively.

From May 2 to May 5, Rainbow announced the information of four new members, Shinji, D.L., Kenshin and Junhao. On May 5, Rainbow announced they would be making a comeback with the four new members.

On June 23, Rainbow made their first anniversary special comeback with their second single album, Wolf. Rainbow recorded the title track of the same name together once, and recorded separately once.

Rainbow wanted to express the story of love and embarked their "起承轉合" (Korean: 기승전합; RR: Giseungjeonhab)series. On September 2, Rainbow released their first studio album of the series, F4R, in two versions: one in Korean and one in Mandarin, with the lead singles, "WAVE" and "ISLAND". The rest of the album tracks were recorded separately by Rainbow-K and Rainbow-M. After the promotion activities of the album, the group had their comeback showcase at September 10.

The group had their first reality show, Another RAINBOW, which premiered on October 4 on the cable channel MBC, to promote their popularity

Members

 * Kian (키안) - leader, rapper
 * Zayne (재인) - dancer
 * Shinji (신지) - rapper
 * D.L. (디엘) - rapper
 * Kenshin (켄신) - dancer
 * Hendrix (헨드릭스) - vocalist
 * Junhao (준하오) - dancer
 * Dylan (딜란) - vocalist
 * Finn (핀) - dancer
 * Louis (루이스) - dancer
 * Jinz (진즈) - rapper
 * Jayden (제이든) - vocalist