sentences:  She is a member of the Japan Professional Photographers Society and chairs the Kanagawa Prefectural Photographers Association (, "Kanagawa-ken shashin-sakka kyōkai").In 1956 Tokiwa held an exhibition titled "Hataraku Josei" (, Working women) at the Konishiroku Photo Gallery (Tokyo) that won high acclaim.The exhibition showed pro wrestlers, models, "ama," nurses and prostitutes.