Toshiko Okanoue was born in Kochi, Japan in 1928. She entered the Design department of Bunka Gakuin College in 1950. While she was in college, she started to produce photo collages using images from fashion magazines. After meeting the art critic Shuzo Takiguchi, in 1953, Okanoue was invited to exhibit her collages at Takemiya Gallery in Tokyo. Some of her works were also selected for an exhibition at the National Museum of Modern Art in Tokyo.