After graduating, he worked as a copy writer for the advertising firm Mannensha (萬年社), which went bankrupt in 1999.
While working at Tōkyū Agency International (now Frontage), he made his lyricist debut with the 1981 Chanels song Hoshi Kuzu no Dance Hall.
[1][2] From there, he wrote the lyrics for a series of hit songs sung by Hiroaki Serizawa, and for the J-pop group The Checkers (Namida no Request).
[1][2] He has written lyrics for artists including Hidemi Ishikawa, Jun'ichi Inagaki, Daisuke Inoue, Hiromi Iwasaki, Yoshimi Iwasaki, Tomio Umezawa, Yukiko Okada, Yōko Oginome, Carlos Toshiki & Omega Tribe, Naoko Kawai, Yuri Kunizane, Masahiko Kondō, Kiyotaka Sugiyama, Tomomi Nishimura, Yū Hayami, Chiemi Hori, Junko Miyama, and others.
[1] Urino made his directorial and script writing debut in 1990 with the film Cinderella Express.