In 1948, at the age of sixteen, he entered Takushoku University. It was here that Okazaki began his karate training. Teruyuki Okazaki studied primarily under Gichin Funakoshi, as well as Masatoshi Nakayama.
At the age of sixteen, Okazaki joined Takushoku University in 1948. There, he began his martial arts education, specifically studying karate under renowned instructors Gichin Funakoshi and Masatoshi Nakayama.