Serina decided to live with her father-in-law, Saburo, who lives in his hometown. Serina smiled at her guilt-ridden husband, worried that her father-in-law, who had drained her vitality, would continue living alone. On the first day of cohabitation, her husband approached Serina, who refused to go to work at night because she had her father-in-law. A breathy voice uncontrollably emanated in Saburo’s room…