In a small Japanese village, Kazuki, a 23-year-old young man, faces the bitter reality that he only has one year left to live due to a terminal illness. As he immerses himself in sadness and frustration, he begins to make a list of things he has always wanted to do but never had the courage to carry out. Everything changes when he meets Mei, a 22-year-old artist diagnosed with a similar illness, who only has six months to live. She has a vibrant personality and a life-affirming approach to her illness, prompting Kazuki to question his own perspective on life.
As they forge an unexpected bond, they embark on a series of adventures ranging from countryside explorations to moments of introspection in hidden cafés. Mei teaches Kazuki to appreciate the small pleasures in life and to live with an open heart. Together, they challenge their limits and discover beauty in the ephemeral, but also the pain of knowing their time is limited.
With an unexpected twist that will test their relationship, both will have to learn to face their fears and the inevitable farewell. This emotive story of love and connection reminds us that, although life may be brief, the moments shared can transcend even the shortest time.