Born in 1986 in Kanagawa Prefecture. Debuted in 2008 with the album "True BIues". After releasing several singles, EPs, and analogs, he became independent with the release of his 2nd. album "SAME SAME BUT DIFFERENT". He launched the independent label "forte". Their third album "forte", which bears the label's name, was a smash hit. The album had a major impact beyond the music industry, with CyberAgent President Susumu Fujita citing the lyrics in his book. His lyrics and stance on social issues also attracted attention, and he was featured in Ele-King and other media, and came to be described as a conscious MC not only for his lyrics but also for his actions (later published in music writer Shin Futatsugi's book "Don't Be Wrong, Rudy"). After a brief hiatus, he returned to the scene and continued to release music consistently. Especially since his 7th album "HAIIRO DE ROSSI," his first self-titled album, he has been supported by his close friend, producer and DJ Pigeondust, as well as many talented artists, He has also been supporting his friend, producer and DJ Pigeondust, as well as many talented artists, and has refined his rap music, called conscious rap, and has become a representative of Jazz HIp Hop and conscious rap.