Hanawa is a Japanese singer and comedian raised in Saga City. He began his career in 1997 going throughout the 2000s distinguishing himself by use of his bass guitar throughout comedy acts. He rose to fame in Japan during 2003 for a comical song about Saga Prefecture and its oddities. By the end of the year he would appear on NHK's 54th annual Red and White singing contest. Following this exposure, his music would be picked up for commercials and as company songs. He continued to produce more of his own music while also working alongside groups such as Fudanjuku.