Legacy of Nell

Wanna One (Korean: 워너원) was a South Korean boy band formed by CJ E&M through the second season of Produce 101. The group was composed of eleven members: Kang Daniel, Park Ji-hoon, Lee Dae-hwi, Kim Jae-hwan, Ong Seong-wu, Park Woo-jin, Lai Kuan-lin, Yoon Ji-sung, Hwang Min-hyun, Bae Jin-young, and Ha Sung-woon. The group debuted on August 7, 2017, under Swing Entertainment and CJ E&M. Their contract ended on December 31, 2018, but their final activity as a group was their single album B-side released on January 27, 2022.

Baek Ye-rin, anglicized as Yerin Baek, is a South Korean singer-songwriter. A former member of South Korean duo 15&, she debuted as a solo artist with her extended play, Frank, in 2015. Baek is credited with writing and composition for the majority of her songs, often touching on personal topics and real-life experiences. In addition to her solo career, she is also the lead vocalist and guitarist for the South Korean rock band The Volunteers and has been performing with them since 2018.

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.