'1 Litre of Tears' is a Japanese movie mainly based on a published version of the Diary, "1 Litre no Namida" (Ichi Rittoru no Namida) written by a girl called 'Aya Kito' (Kito Aya, July 19, 1962 - May 23, 1988) about her real and personal life experiences coping with a fatal and incurable disease an