Adapted from the same-titled novel, 1 Litre of Tears is based on the true story about a girl's long fight with an incurable disease. A collection of her diary entries, chronicling her experiences and passion and perseverance for life, were published in 1986, and the book immediately became a bestseller. Her inspiring story was adapted into both a hit TV series starring Sawajiri Erika and a moving film directed by Okamura Riki. Promising new actress Asae Onishi stars as the film's tragic heroine, while Kazuko Kato portrays her supportive mother. Keep the tissue box near, as 1 Litre of Tears promises to touch the hearts of viewers with its tragic story and universal sentiments.