[1] Born in Tokyo in 1931, Imai graduated from Bunka Gakuin (文化学院) in 1952.
[3] After the accident, Shuji Terayama invited her to watch a horse race with him.
She was very moved by the horses, and after meeting the racehorse Nijinsky in 1970, she took up photography again.
[2] From the 1970s onward, most of her numerous solo exhibitions were of photographs of horses.
[1] Imai died in a hospital in Shinjuku on 17 February 2009.