Takeshi Okada
Yamase was born in Sapporo on 22 September 1981. After graduating from high school, he joined J2 League club Consadole Sapporo based in his local in 2000. He played many matches as offensive midfielder from first season under manager Takeshi Okada. Consadole also won the champions in 2000 season and was promoted to J1 League. In 2000, he played as regular player and was selected Rookie of the Year award. Although he was given number 10 shirt, he could not play at all in the match for injured from summer 2002. Consadole also finished at the bottom place in 2002 season and was relegated to J2.