Artist Biography Osawa Yoshiyuki (Osawa Yoshiyuki, October 3, 1957 -) is a Japanese singer, composer, music producer. Real name same. Suginami-ku, Tokyo Koenji born. Komazawa University graduation . Height 170cm. Blood type AB type. Until 1999 had been active in Yoshiyuki Osawa (reading the same) name. Brother of difference 2-year-old have one.