Keiji，Born in Miyazaki-shi (former Kiyotakechô, Miyazaki-gun), Miyazaki Prefecture, Japan, on January 21, 1980, as Keiji Kuroki. Before long moved to Ôita and came back to Miyazaki at the time of a junior high student. He played baseball in high school, started to attend dance lesson at age 19, went to Tokyo when 23.