Hanaregumi is an alias for Tokyo-born singer and musician Takashi Nagazumi. He
began his musical career as the singer with a local band called Super Butter Dog
in 1997 before he left to go solo in 2002. It was then that he adopted the name
Hanaregumi. In 2005 Nagazumi paused Hanaregumi to work as part of the Japanese
supergroup Ohana that featured members of Yusuke Oya and Ikuko Harada from two
big bands, Clammbon and Polaris respectively, to play live and produce one EP.
He returned to solo work in 2006.