WEi is a South Korean boy group formed by OUI Entertainment. They officially debuted on October 5, 2020, with their first mini-album IDENTITY: First Sight. The group consists of six members: Daehyeon, Donghan, Yongha, Yohan, Seokhwa, and Junseo. Each member brings a unique background, with several having experience in survival shows and former idol groups, such as Produce 101, Produce X 101, YG Treasure Box, and Under Nineteen. Their music explores various genres, including pop, hip-hop, and EDM, making them stand out for their versatility and performance skills. WEi has gained a strong following for their powerful choreography, engaging stage presence, and group synergy.