Ren has trouble accepting the death of Kaoru, his best friend growing up. When he finds a painting of a woman that Kaoru left behind, he begins a journey to find her. This film depicts Ren's radiant rediscovery of life as he works through his friend's death. It presents a poetic portrayal of his sorrow, his insuppressible feelings, and the momentum of other lives affected by Kaoru's passing.