A Long Goodbye (2019)

Shohei is now retired from his job as a middle school principal. On his 70th birthday, he tells his wife Yoko, first daughter Mari and second daughter Fumi that he has Alzheimer's disease. First daughter Mari is a housewife with a husband and a child. Second daughter Fum is still single and she agonizes over her life. The three women are embarrassed for Shohei who is losing his memory. One day, Fumi, Mari and Yoko realize that Shohei still holds onto fond memories which they have already forgotten.