Artists like H1-KEY

Lightsum is a South Korean girl group formed by Cube Entertainment. The group is composed of six members: Sangah, Chowon, Nayoung, Hina, Juhyeon, and Yujeong. Originally an eight-piece ensemble, members Huiyeon and Jian departed the group in October 2022. The group debuted on June 10, 2021, with the release of their debut single album, Vanilla.

Purple Kiss was a South Korean girl group formed by RBW in 2020. The final lineup before disbanding consisted of six members: Na Go-eun, Dosie, Ireh, Yuki, Chaein and Swan. Originally a seven-member group, Park Ji-eun left the group on November 18, 2022, due to health issues. They were considered to be a self-producing group, with members involved in songwriting, composing and other aspects of their music and showmanship.

Cherry Bullet (Korean: 체리블렛) was a South Korean girl group formed and managed by FNC Entertainment. They debuted on January 21, 2019, with their first single album titled Let's Play Cherry Bullet. The group's final lineup was composed of seven members: Haeyoon, Yuju, Bora, Jiwon, Remi, Chaerin, and May. Originally consisting of ten members, Mirae, Kokoro, and Linlin left the group in December 2019. After five years of group activities, the group disbanded on April 22, 2024 after four out of the seven members terminated their contracts with FNC Entertainment.

Kep1er is a South Korean girl group formed by CJ ENM through the Mnet reality competition show Girls Planet 999 in 2021. The group consists of six members: Kim Chae-hyun, Huening Bahiyyih, Choi Yu-jin, Kim Da-yeon, Ezaki Hikaru, and Shen Xiaoting. Originally a nine-piece ensemble, former members Kang Ye-seo and Sakamoto Mashiro departed from the group in July 2024, and Seo Young-eun departed in March 2026.

Tri.be, was a South Korean girl group formed in 2021 by TR Entertainment and Universal Music Group. The group consists of six members: Songsun, Kelly, Hyunbin, Jia, Soeun, and Mire. The group debuted on February 17, 2021, with the release of their debut single album Tri.be Da Loca. Originally as seven members, former member Jinha left the group due to poor physical health reasons.

DreamNote (Korean: 드림노트), was a South Korean girl group formed by iMe Korea. They debuted on November 7, 2018 with their debut single album Dreamlike. The group consisted of six members: Sumin, Eunjo, Lara, Miso, Youi and Boni, originally as eight members, Habin and Hanbyeol left in September 2019. On October 22, 2025, it was announced that the group will conclude all activities after their contracts end on November 7.

Ko Younha, known mononymously as Younha, is a South Korean singer-songwriter and record producer. She began her career in 2004 in Japan, where she was nicknamed the "Oricon Comet" for her success on the Japanese music chart. In 2006, she debuted in South Korea, where she is regarded as one of the country's best singer-songwriters.

Choi Ye-na, known mononymously as Yena, is a South Korean singer and actress. She is a soloist and actress under YH Entertainment, and a former member of South Korean–Japanese girl group Iz*One, having finished fourth on Mnet's reality girl group survival show, Produce 48. Yena made her solo debut on January 17, 2022, with the release of her first EP Smiley.

BB Girls is a South Korean girl group consisting of members Minyoung, Eunji, and Yuna. Formed and produced by Brave Brothers through Brave Entertainment, the group initially debuted as a quintet named Brave Girls with the single album The Difference on April 7, 2011.