In 1995, it began as a solo project by Hiroki Misawa, centered around the Osaka Namba Bears.
Starting with their second album, the band consisted of four members: Misawa, Murakami Gonzo, Shimizu Kosuke, and Saito Akihiko. Starting with their third album, NANA and Miyaji Kensaku joined, bringing the total to six members.
The band went on hiatus in 2005 and resumed activities in 2023.