Two terminally ill girls grow through their relationship as they face life and death.
18-year-old Haruka learns she has only 3 months left to live. She doesn't have a family or relatives. Haruka decides to run away from the hospital to do something she has never done before. At the same hospital, Aki also doesn't have much time left to live. Aki helps Haruka escape from the hospital under the condition that Haruka will help her do accomplish her last wish.