A visual-kei band that was created in early 2006. Their members are Yoshihiko on vocals, Nao on guitar, Kohsuke on bass, and Kiri on drums. heidi.'s first solo and official debut was June 3rd at Ikebukuro CYBER.
Their focus is on trying to create distinctive melodies that are easy to remember for the fans. Throughout their career they have played on many stages, such as at the “hide memorial summit” in the Ajinomoto Stadium, the V-ROCK festival and Over The Edge, the yearly visual scene countdown event. They released “Yokan” as the ending theme song for the anime “Kaicho wa Maid-sama”.