WEi is a South Korean boy band formed in 2020 by OUI Entertainment. The group consists of six talented members: Jang Dae-hyeon, Kim Dong-han, Yoo Yong-ha, Kim Yo-han, Kang Seok-hwa, and Kim Jun-seo. WEi is known for their versatile musical styles, high-energy performances, and charismatic personalities.

They have released hits such as "Twilight," "All Or Nothing," and "Ocean," which have been well-received by both fans and critics. The members of WEi are also active in the entertainment industry, having participated in various TV shows and projects, further showcasing their talents beyond music.