WEi is a South Korean boy group formed by OUI Entertainment in 2020. The group consists of six members: Yoon Dong-yeon, Kim Yoondong, Kang Sihun, Kim Junseo, Lee Jang-woo, and Park Sung-woo. They debuted on October 5, 2020, with their mini-album titled "IDENTITY: First Sight." The name WEi stands for "We are the future," reflecting their ambition to connect with fans and make a mark in the music industry. The group is known for their energetic performances and diverse musical styles, appealing to a wide audience both in South Korea and internationally.