Minato has been married for 15 years, but although they did not have any children, they were living a reasonably happy life. However, his life changed completely when his father-in-law, Akira, became seriously ill with dementia and was forced to take care of him. Misho sometimes mistakes his late girlfriend for his mother-in-law and approaches her in ways that are similar to sexual harassment, and in the end, Mito takes out her anger on Akira. However, Akira mistook this as his wife's displeasure, and Mito...