I am living a smooth life with my wife, Maki. - Three years ago, when my business was on the decline, my best friend Mukai helped me without saying a word, and I am now living the life I am today. - Mukai lost his wife and seems to be unable to do anything now. - Since he was left to his wife to do all the housework, it seems like all the garbage and laundry are piling up in a pile. - I wanted to repay my best friend, so I decided to lend my wife, Maki, who can take care of her, for three days. - However, my goodwill was betrayed...