Ogi was born in Hiroshima on December 10, 1942. After graduating from Chuo University, he joined his local club Toyo Industries in 1965. The club won Japan Soccer League champions 5 times (1965, 1966, 1967, 1968 and 1970). He became a top scorer in 1966 and was selected Best Eleven for 7 years in a row (1966-1972). He was also selected "Japanese Footballer of the Year" awards in 1965 and 1970. He retired in 1976. He played 163 games and scored 57 goals in the league.