Bennie K (often stylized as BENNIE K) is an urban female duo formed in 1999 that consists of vocalist Yuki and rapper Cico. They met while Yuki was in Los Angeles undergoing voice training with Roger Burnley. They made their debut in January 2001 with the single "Melody," released on the For Life Music label.
Bennie K's 8th single "Sunrise" reached the top 10 of the Oricon singles chart in 2004, and their 9th single "Dreamland" reached #2 in 2005. Their 4th album "Japana-rhythm" debuted at #1 on the Oricon albums chart.