Ending Note is based on the documentary film of the same name directed by Mami Sunada and produced by the Japanese filmmaker Hirokazu Koreeda. In the film, Mami Sunada captures the final months of the life of her own father, Tomoaki Sunada. Diagnosed with terminalcancer, Tomoaki Sunada creates hisown ending note as he prepares to bid farewell to his loved ones. Rather than grieving prior to facingdeath, the protagonist proceeds to compose a witty, honest ending note, ultimately asking us questions about what it means to die well.