Biography
Daiji Okai
Real name: 岡井大二
Japanese drummer, born on July 8, 1953. The name "Daiji Iwao", seen in the credits of Yonin Bayashi's first album Ishoku-Sokuhatsu, was chosen by Daiji in order to distinguish himself from his brother Tsuguaki Okai, who was the band's manager at the time.