Legacy of AJ

Kim Hyung-soo, better known by his stage name K.Will (Korean: 케이윌), is a South Korean singer. The name is a combination of the first letter 'K' of his last name 'Kim' and the English word 'Will'. He debuted in 2007 and has since become known for his chart-topping ballads. He has also been dubbed the "Prince of OST" for his frequent Korean drama soundtrack appearances.

Lee Ji-eun, also known by her stage name IU (아이유), is a South Korean singer-songwriter and actress. She signed with LOEN Entertainment in 2007 as a trainee and debuted as a singer at the age of fifteen with the EP Lost and Found (2008). Although her follow-up albums brought mainstream success, it was only after the release of "Good Day", the lead single from her 2010 EP Real, that she achieved national stardom. "Good Day" went on to spend five consecutive weeks at the top of South Korea's Gaon Digital Chart, and in 2019, it was ranked number one on Billboard's "100 Greatest K-Pop Songs of the 2010s" list.

2AM is a South Korean boy band, that consists of Jo Kwon, Lee Chang-min, Lim Seul-ong, and Jeong Jin-woon. The band was formed by JYP Entertainment through the Mnet reality show Hot Blooded Men, which spawned the eleven-member boy band One Day; 2AM primarily perform ballad songs while their brother group 2PM performed more dance-focused music. With the addition of Changmin from Big Hit Entertainment, now known as Big Hit Music, the group was co-managed by JYP and Big Hit from 2008 to 2014. They officially debuted on July 11, 2008, on KBS' Music Bank, performing their debut single "This Song". The group also debuted in Japan with the single "Never Let You Go: Shindemo Hanasanai" in January 2012.

Infinite is a South Korean boy band formed in 2010 by Woollim Entertainment. The group is composed of six members: Sungkyu, Dongwoo, Woohyun, Sungyeol, L, and Sungjong. Originally a seven-piece group, Hoya departed from the group on August 30, 2017.