Apink (Korean: 에이핑크, Japanese: エーピンク; also written as A Pink) is a South Korean girl group formed by Plan A Entertainment (formerly A Cube Entertainment). The group debuted on April 19, 2011, with the mini album, Seven Springs of Apink and with seven members: Park Cho-rong, Yoon Bo-mi, Jung Eun-ji, Son Na-eun, Hong Yoo-kyung, Kim Nam-joo and Oh Ha-young. Hong left the group in April 2013 to focus on her studies.

BTS (Hangul: 방탄소년단; RR: Bangtan Sonyeondan), also known as the Bangtan Boys, is a seven-member South Korean boy band formed by Big Hit Entertainment in 2013. The name became a backronym for Beyond the Scene in July 2017. The band won several New Artist of the Year awards for the track "No More Dream" and gained prominence with their subsequent albums Dark & Wild (2014), The Most Beautiful Moment in Life, Part 2 (2015) and The Most Beautiful Moment in Life: Young Forever (2016). The latter two entered the U.S. Billboard 200, and The Most Beautiful Moment in Life: Young Forever won the Album of the Year award at the 2016 Melon Music Awards.

Shinee (/ˈʃaɪniː/ SHY-nee; Korean: 샤이니; Japanese: シャイニー; stylized as SHINee) is a South Korean boy band formed by SM Entertainment in 2008. The group is composed of four members: Onew, Key, Minho, and Taemin. Originally a five-piece group, vocalist Jonghyun died in December 2017. The group's popularity in their native country has earned them numerous accolades and the title "Princes of K-pop".