In the Eight Year Engagement, a couple, Hisashi (Satoh Takeru) and Mai (Tsuchiya Tao), is about to get married when the girl fell into a coma.
Instead of abandoning her, the boy remains at her side. When Mai wakes up, she fails to recognize Hisashi and so the story continues.
Following the tradition of undying love – as exemplified by April Bride (Eita + Eikura Nana) and Koizora: Sky of Love (Miura Haruma + Aragaki Yui ), Shochiku ventures into the romantic drama genre. While April Bride tackles cancer, and so is Koizora, among others, The Eight Year Engagement brings the complication of disease with lapses in memory. The movie revolves around the loyalty and steadfast duty of a man waiting for his loved one to recover from an illness.