This story is based on a true story.
Aya suffers from an incurable disease, but lived life to the fullest until her death at 25.
This story is based on the diary Aya kept writing until she could no longer hold a pen. Aya's only wish was "to live." By carefully depicting Aya's earnest desire to live, and the love of her family, friends, and lover.
"One Liter of Tears" wishes to deliver her simple but strong message: "Just being alive is such a lovely and wonderful thing."