His father, Noboru (1894-1983), was a merchant and worked extensively abroad, so Inuzuka became familiar with and , which developed an interest in music. After graduating from the , he attended and graduated from the College of Social Sciences, Bunka Gakuin in 1949. While attending school, Inuzuka received classes from historians like Goro Hani, Ichiko Kamichika, and Rokusaburo Nitoda. After being introduced by an American exchange student who friends with his father and was in the commercial business, Inuzuka joined IBM (International Business Machines Corporation), which was conducting a statistical survey of expeditionary forces at the time, but left the company two years after the presenter returned to Japan. The reason why he left the company is that many American workers bullied him and called him names.