Husband: Atsushi Godai. Wife, Saaya Godai. They have been married for 10 years. The husband thought they were a "good couple" raising their only daughter, but one day, the wife suddenly announces that she is leaving him. For the husband, it is an unexpected declaration, but for the wife, it is an outburst of dissatisfaction and distrust that has been building up over the years. The wife's true feelings and the husband's arguments. Why are they so different even though they are together every day?