After her husband, Shinsuke, failed in his business, Ichika comes to his parents' house, the Kuroki family, which has a long tradition and history. At her parents' house, her strict father-in-law, Ryoichi, greeted Ichika with a cold eye. That's because the man Ichika had been dating in the past, Manabu, came to ask for money from the Kuroki family. And then, Ichika gives money to Manabu, who is rampant in the Kuroki family, saying, "This is the last time." However, the father-in-law who knew about it began training full of shame against Ichika who betrayed his son.
