Legacy of Wanna One

CIX was a South Korean boy band formed by C9 Entertainment. The group consists of BX, Seunghun, Yonghee, and Hyunsuk. Originally a five-piece ensemble, Bae Jin-young left the group in August 2024. They debuted on July 23, 2019, with their first EP Hello Chapter 1: Hello, Stranger and disbanded following the expiration of all members' contracts.

N.Flying is a South Korean rap rock band formed by FNC Entertainment in 2013. The group released its first digital indie single "Basket" in Japan on October 1, 2013, with the four-member line-up of Kwon Kwang-jin, Lee Seung-hyub, Cha Hun and Kim Jae-hyun. The group officially debuted in Korea on May 20, 2015, with the EP Awesome. A fifth member, Yoo Hwe-seung was added to the band in June 2017. Kwang-jin left the group on December 26, 2018, and was replaced by Seo Dong-sung on January 1, 2020.

X1 was a South Korean boy group formed by CJ ENM through the Mnet reality competition show Produce X 101. The group was composed of eleven members: Kim Yo-han, Kim Woo-seok, Han Seung-woo, Song Hyeong-jun, Cho Seung-youn, Son Dong-pyo, Lee Han-gyul, Nam Do-hyon, Cha Jun-ho, Kang Min-hee, and Lee Eun-sang. The group debuted on August 27, 2019 with the single "Flash" under Swing Entertainment and was co-managed by Stone Music Entertainment.