1 Litre of Tears

A three-hour special of the series set five years after Aya's death and focuses on Haruto Asou, who has now become a doctor at the same hospital Aya was treated in and Ako Ikeuchi, Aya's younger sister who is a nurse in training. Haruto is caring for a 14-year-old female patient, Mizuki, who was bullied in school because of her disease, the same one that Aya had. Because of the bullying at school, Mizuki decides not to receive therapy of any sort that would make her better, because she has lost her will to live. Haruto remembers how Aya fought her illness and lived her life with her disease; therefore, he offers support to his patient.