[DeepL Translation - needs review] Introduction to Volume 1: Mirai, an emotionless husband, lives happily with his cheerful and innocent wife, Meguru. However, Mirai is suffering from a disease that causes him to go back to the past depending on his emotional ups and downs, a secret he keeps even from his wife. One day, Mirai receives a suspicious phone call. Three days later, he is informed that his wife has died. In an emotional outburst, Mirai returns to the past and takes action to save ...
